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1 <?php 2 /** 3 * General template tags that can go anywhere in a template. 4 * 5 * @package WordPress 6 * @subpackage Template 7 */ 8 9 /** 10 * Load header template. 11 * 12 * Includes the header template for a theme or if a name is specified then a 13 * specialised header will be included. 14 * 15 * For the parameter, if the file is called "header-special.php" then specify 16 * "special". 17 * 18 * @uses locate_template() 19 * @since 1.5.0 20 * @uses do_action() Calls 'get_header' action. 21 * 22 * @param string $name The name of the specialised header. 23 */ 24 function get_header( $name = null ) { 25 do_action( 'get_header', $name ); 26 27 $templates = array(); 28 if ( isset($name) ) 29 $templates[] = "header-{$name}.php"; 30 31 $templates[] = "header.php"; 32 33 // Backward compat code will be removed in a future release 34 if ('' == locate_template($templates, true)) 35 load_template( ABSPATH . WPINC . '/theme-compat/header.php'); 36 } 37 38 /** 39 * Load footer template. 40 * 41 * Includes the footer template for a theme or if a name is specified then a 42 * specialised footer will be included. 43 * 44 * For the parameter, if the file is called "footer-special.php" then specify 45 * "special". 46 * 47 * @uses locate_template() 48 * @since 1.5.0 49 * @uses do_action() Calls 'get_footer' action. 50 * 51 * @param string $name The name of the specialised footer. 52 */ 53 function get_footer( $name = null ) { 54 do_action( 'get_footer', $name ); 55 56 $templates = array(); 57 if ( isset($name) ) 58 $templates[] = "footer-{$name}.php"; 59 60 $templates[] = "footer.php"; 61 62 // Backward compat code will be removed in a future release 63 if ('' == locate_template($templates, true)) 64 load_template( ABSPATH . WPINC . '/theme-compat/footer.php'); 65 } 66 67 /** 68 * Load sidebar template. 69 * 70 * Includes the sidebar template for a theme or if a name is specified then a 71 * specialised sidebar will be included. 72 * 73 * For the parameter, if the file is called "sidebar-special.php" then specify 74 * "special". 75 * 76 * @uses locate_template() 77 * @since 1.5.0 78 * @uses do_action() Calls 'get_sidebar' action. 79 * 80 * @param string $name The name of the specialised sidebar. 81 */ 82 function get_sidebar( $name = null ) { 83 do_action( 'get_sidebar', $name ); 84 85 $templates = array(); 86 if ( isset($name) ) 87 $templates[] = "sidebar-{$name}.php"; 88 89 $templates[] = "sidebar.php"; 90 91 // Backward compat code will be removed in a future release 92 if ('' == locate_template($templates, true)) 93 load_template( ABSPATH . WPINC . '/theme-compat/sidebar.php'); 94 } 95 96 /** 97 * Load a template part into a template 98 * 99 * Makes it easy for a theme to reuse sections of code in a easy to overload way 100 * for child themes. 101 * 102 * Includes the named template part for a theme or if a name is specified then a 103 * specialised part will be included. If the theme contains no {slug}.php file 104 * then no template will be included. 105 * 106 * The template is included using require, not require_once, so you may include the 107 * same template part multiple times. 108 * 109 * For the parameter, if the file is called "{slug}-special.php" then specify 110 * "special". 111 * 112 * @uses locate_template() 113 * @since 3.0.0 114 * @uses do_action() Calls 'get_template_part{$slug}' action. 115 * 116 * @param string $slug The slug name for the generic template. 117 * @param string $name The name of the specialised template. 118 */ 119 function get_template_part( $slug, $name = null ) { 120 do_action( "get_template_part_{$slug}", $slug, $name ); 121 122 $templates = array(); 123 if ( isset($name) ) 124 $templates[] = "{$slug}-{$name}.php"; 125 126 $templates[] = "{$slug}.php"; 127 128 locate_template($templates, true, false); 129 } 130 131 /** 132 * Display search form. 133 * 134 * Will first attempt to locate the searchform.php file in either the child or 135 * the parent, then load it. If it doesn't exist, then the default search form 136 * will be displayed. The default search form is HTML, which will be displayed. 137 * There is a filter applied to the search form HTML in order to edit or replace 138 * it. The filter is 'get_search_form'. 139 * 140 * This function is primarily used by themes which want to hardcode the search 141 * form into the sidebar and also by the search widget in WordPress. 142 * 143 * There is also an action that is called whenever the function is run called, 144 * 'get_search_form'. This can be useful for outputting JavaScript that the 145 * search relies on or various formatting that applies to the beginning of the 146 * search. To give a few examples of what it can be used for. 147 * 148 * @since 2.7.0 149 * @param boolean $echo Default to echo and not return the form. 150 */ 151 function get_search_form($echo = true) { 152 do_action( 'get_search_form' ); 153 154 $search_form_template = locate_template(array('searchform.php')); 155 if ( '' != $search_form_template ) { 156 require($search_form_template); 157 return; 158 } 159 160 $form = '<form role="search" method="get" id="searchform" action="' . home_url( '/' ) . '" > 161 <div><label class="screen-reader-text" for="s">' . __('Search for:') . '</label> 162 <input type="text" value="' . get_search_query() . '" name="s" id="s" /> 163 <input type="submit" id="searchsubmit" value="'. esc_attr__('Search') .'" /> 164 </div> 165 </form>'; 166 167 if ( $echo ) 168 echo apply_filters('get_search_form', $form); 169 else 170 return apply_filters('get_search_form', $form); 171 } 172 173 /** 174 * Display the Log In/Out link. 175 * 176 * Displays a link, which allows users to navigate to the Log In page to log in 177 * or log out depending on whether they are currently logged in. 178 * 179 * @since 1.5.0 180 * @uses apply_filters() Calls 'loginout' hook on HTML link content. 181 * 182 * @param string $redirect Optional path to redirect to on login/logout. 183 * @param boolean $echo Default to echo and not return the link. 184 */ 185 function wp_loginout($redirect = '', $echo = true) { 186 if ( ! is_user_logged_in() ) 187 $link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>'; 188 else 189 $link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>'; 190 191 if ( $echo ) 192 echo apply_filters('loginout', $link); 193 else 194 return apply_filters('loginout', $link); 195 } 196 197 /** 198 * Returns the Log Out URL. 199 * 200 * Returns the URL that allows the user to log out of the site 201 * 202 * @since 2.7 203 * @uses wp_nonce_url() To protect against CSRF 204 * @uses site_url() To generate the log in URL 205 * @uses apply_filters() calls 'logout_url' hook on final logout url 206 * 207 * @param string $redirect Path to redirect to on logout. 208 */ 209 function wp_logout_url($redirect = '') { 210 $args = array( 'action' => 'logout' ); 211 if ( !empty($redirect) ) { 212 $args['redirect_to'] = urlencode( $redirect ); 213 } 214 215 $logout_url = add_query_arg($args, site_url('wp-login.php', 'login')); 216 $logout_url = wp_nonce_url( $logout_url, 'log-out' ); 217 218 return apply_filters('logout_url', $logout_url, $redirect); 219 } 220 221 /** 222 * Returns the Log In URL. 223 * 224 * Returns the URL that allows the user to log in to the site 225 * 226 * @since 2.7 227 * @uses site_url() To generate the log in URL 228 * @uses apply_filters() calls 'login_url' hook on final login url 229 * 230 * @param string $redirect Path to redirect to on login. 231 * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. Default is false. 232 * @return string A log in url 233 */ 234 function wp_login_url($redirect = '', $force_reauth = false) { 235 $login_url = site_url('wp-login.php', 'login'); 236 237 if ( !empty($redirect) ) 238 $login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url); 239 240 if ( $force_reauth ) 241 $login_url = add_query_arg('reauth', '1', $login_url); 242 243 return apply_filters('login_url', $login_url, $redirect); 244 } 245 246 /** 247 * Provides a simple login form for use anywhere within WordPress. By default, it echoes 248 * the HTML immediately. Pass array('echo'=>false) to return the string instead. 249 * 250 * @since 3.0.0 251 * @param array $args Configuration options to modify the form output 252 * @return Void, or string containing the form 253 */ 254 function wp_login_form( $args = array() ) { 255 $defaults = array( 'echo' => true, 256 'redirect' => site_url( $_SERVER['REQUEST_URI'] ), // Default redirect is back to the current page 257 'form_id' => 'loginform', 258 'label_username' => __( 'Username' ), 259 'label_password' => __( 'Password' ), 260 'label_remember' => __( 'Remember Me' ), 261 'label_log_in' => __( 'Log In' ), 262 'id_username' => 'user_login', 263 'id_password' => 'user_pass', 264 'id_remember' => 'rememberme', 265 'id_submit' => 'wp-submit', 266 'remember' => true, 267 'value_username' => '', 268 'value_remember' => false, // Set this to true to default the "Remember me" checkbox to checked 269 ); 270 $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); 271 272 $form = ' 273 <form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . site_url( 'wp-login.php', 'login' ) . '" method="post"> 274 ' . apply_filters( 'login_form_top', '' ) . ' 275 <p class="login-username"> 276 <label for="' . esc_attr( $args['id_username'] ) . '">' . esc_html( $args['label_username'] ) . '</label> 277 <input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" tabindex="10" /> 278 </p> 279 <p class="login-password"> 280 <label for="' . esc_attr( $args['id_password'] ) . '">' . esc_html( $args['label_password'] ) . '</label> 281 <input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" tabindex="20" /> 282 </p> 283 ' . apply_filters( 'login_form_middle', '' ) . ' 284 ' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever" tabindex="90"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . ' 285 <p class="login-submit"> 286 <input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" tabindex="100" /> 287 <input type="hidden" name="redirect_to" value="' . esc_attr( $args['redirect'] ) . '" /> 288 </p> 289 ' . apply_filters( 'login_form_bottom', '' ) . ' 290 </form>'; 291 292 if ( $args['echo'] ) 293 echo $form; 294 else 295 return $form; 296 } 297 298 /** 299 * Returns the Lost Password URL. 300 * 301 * Returns the URL that allows the user to retrieve the lost password 302 * 303 * @since 2.8.0 304 * @uses site_url() To generate the lost password URL 305 * @uses apply_filters() calls 'lostpassword_url' hook on the lostpassword url 306 * 307 * @param string $redirect Path to redirect to on login. 308 */ 309 function wp_lostpassword_url($redirect = '') { 310 $args = array( 'action' => 'lostpassword' ); 311 if ( !empty($redirect) ) { 312 $args['redirect_to'] = $redirect; 313 } 314 315 $lostpassword_url = add_query_arg($args, site_url('wp-login.php', 'login')); 316 return apply_filters('lostpassword_url', $lostpassword_url, $redirect); 317 } 318 319 /** 320 * Display the Registration or Admin link. 321 * 322 * Display a link which allows the user to navigate to the registration page if 323 * not logged in and registration is enabled or to the dashboard if logged in. 324 * 325 * @since 1.5.0 326 * @uses apply_filters() Calls 'register' hook on register / admin link content. 327 * 328 * @param string $before Text to output before the link (defaults to <li>). 329 * @param string $after Text to output after the link (defaults to </li>). 330 * @param boolean $echo Default to echo and not return the link. 331 */ 332 function wp_register( $before = '<li>', $after = '</li>', $echo = true ) { 333 334 if ( ! is_user_logged_in() ) { 335 if ( get_option('users_can_register') ) 336 $link = $before . '<a href="' . site_url('wp-login.php?action=register', 'login') . '">' . __('Register') . '</a>' . $after; 337 else 338 $link = ''; 339 } else { 340 $link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after; 341 } 342 343 if ( $echo ) 344 echo apply_filters('register', $link); 345 else 346 return apply_filters('register', $link); 347 } 348 349 /** 350 * Theme container function for the 'wp_meta' action. 351 * 352 * The 'wp_meta' action can have several purposes, depending on how you use it, 353 * but one purpose might have been to allow for theme switching. 354 * 355 * @since 1.5.0 356 * @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. 357 * @uses do_action() Calls 'wp_meta' hook. 358 */ 359 function wp_meta() { 360 do_action('wp_meta'); 361 } 362 363 /** 364 * Display information about the blog. 365 * 366 * @see get_bloginfo() For possible values for the parameter. 367 * @since 0.71 368 * 369 * @param string $show What to display. 370 */ 371 function bloginfo( $show='' ) { 372 echo get_bloginfo( $show, 'display' ); 373 } 374 375 /** 376 * Retrieve information about the blog. 377 * 378 * Some show parameter values are deprecated and will be removed in future 379 * versions. These options will trigger the _deprecated_argument() function. 380 * The deprecated blog info options are listed in the function contents. 381 * 382 * The possible values for the 'show' parameter are listed below. 383 * <ol> 384 * <li><strong>url<strong> - Blog URI to homepage.</li> 385 * <li><strong>wpurl</strong> - Blog URI path to WordPress.</li> 386 * <li><strong>description</strong> - Secondary title</li> 387 * </ol> 388 * 389 * The feed URL options can be retrieved from 'rdf_url' (RSS 0.91), 390 * 'rss_url' (RSS 1.0), 'rss2_url' (RSS 2.0), or 'atom_url' (Atom feed). The 391 * comment feeds can be retrieved from the 'comments_atom_url' (Atom comment 392 * feed) or 'comments_rss2_url' (RSS 2.0 comment feed). 393 * 394 * @since 0.71 395 * 396 * @param string $show Blog info to retrieve. 397 * @param string $filter How to filter what is retrieved. 398 * @return string Mostly string values, might be empty. 399 */ 400 function get_bloginfo( $show = '', $filter = 'raw' ) { 401 402 switch( $show ) { 403 case 'home' : // DEPRECATED 404 case 'siteurl' : // DEPRECATED 405 _deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> option instead.' ), 'url' ) ); 406 case 'url' : 407 $output = home_url(); 408 break; 409 case 'wpurl' : 410 $output = site_url(); 411 break; 412 case 'description': 413 $output = get_option('blogdescription'); 414 break; 415 case 'rdf_url': 416 $output = get_feed_link('rdf'); 417 break; 418 case 'rss_url': 419 $output = get_feed_link('rss'); 420 break; 421 case 'rss2_url': 422 $output = get_feed_link('rss2'); 423 break; 424 case 'atom_url': 425 $output = get_feed_link('atom'); 426 break; 427 case 'comments_atom_url': 428 $output = get_feed_link('comments_atom'); 429 break; 430 case 'comments_rss2_url': 431 $output = get_feed_link('comments_rss2'); 432 break; 433 case 'pingback_url': 434 $output = get_option('siteurl') .'/xmlrpc.php'; 435 break; 436 case 'stylesheet_url': 437 $output = get_stylesheet_uri(); 438 break; 439 case 'stylesheet_directory': 440 $output = get_stylesheet_directory_uri(); 441 break; 442 case 'template_directory': 443 case 'template_url': 444 $output = get_template_directory_uri(); 445 break; 446 case 'admin_email': 447 $output = get_option('admin_email'); 448 break; 449 case 'charset': 450 $output = get_option('blog_charset'); 451 if ('' == $output) $output = 'UTF-8'; 452 break; 453 case 'html_type' : 454 $output = get_option('html_type'); 455 break; 456 case 'version': 457 global $wp_version; 458 $output = $wp_version; 459 break; 460 case 'language': 461 $output = get_locale(); 462 $output = str_replace('_', '-', $output); 463 break; 464 case 'text_direction': 465 //_deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> function instead.' ), 'is_rtl()' ) ); 466 if ( function_exists( 'is_rtl' ) ) { 467 $output = is_rtl() ? 'rtl' : 'ltr'; 468 } else { 469 $output = 'ltr'; 470 } 471 break; 472 case 'name': 473 default: 474 $output = get_option('blogname'); 475 break; 476 } 477 478 $url = true; 479 if (strpos($show, 'url') === false && 480 strpos($show, 'directory') === false && 481 strpos($show, 'home') === false) 482 $url = false; 483 484 if ( 'display' == $filter ) { 485 if ( $url ) 486 $output = apply_filters('bloginfo_url', $output, $show); 487 else 488 $output = apply_filters('bloginfo', $output, $show); 489 } 490 491 return $output; 492 } 493 494 /** 495 * Display or retrieve page title for all areas of blog. 496 * 497 * By default, the page title will display the separator before the page title, 498 * so that the blog title will be before the page title. This is not good for 499 * title display, since the blog title shows up on most tabs and not what is 500 * important, which is the page that the user is looking at. 501 * 502 * There are also SEO benefits to having the blog title after or to the 'right' 503 * or the page title. However, it is mostly common sense to have the blog title 504 * to the right with most browsers supporting tabs. You can achieve this by 505 * using the seplocation parameter and setting the value to 'right'. This change 506 * was introduced around 2.5.0, in case backwards compatibility of themes is 507 * important. 508 * 509 * @since 1.0.0 510 * 511 * @param string $sep Optional, default is '»'. How to separate the various items within the page title. 512 * @param bool $display Optional, default is true. Whether to display or retrieve title. 513 * @param string $seplocation Optional. Direction to display title, 'right'. 514 * @return string|null String on retrieve, null when displaying. 515 */ 516 function wp_title($sep = '»', $display = true, $seplocation = '') { 517 global $wpdb, $wp_locale, $wp_query; 518 519 $cat = get_query_var('cat'); 520 $tag = get_query_var('tag_id'); 521 $category_name = get_query_var('category_name'); 522 $author = get_query_var('author'); 523 $author_name = get_query_var('author_name'); 524 $m = get_query_var('m'); 525 $year = get_query_var('year'); 526 $monthnum = get_query_var('monthnum'); 527 $day = get_query_var('day'); 528 $search = get_query_var('s'); 529 $title = ''; 530 531 $t_sep = '%WP_TITILE_SEP%'; // Temporary separator, for accurate flipping, if necessary 532 533 // If there's a category 534 if ( !empty($cat) ) { 535 // category exclusion 536 if ( !stristr($cat,'-') ) 537 $title = apply_filters('single_cat_title', get_the_category_by_ID($cat)); 538 } elseif ( !empty($category_name) ) { 539 if ( stristr($category_name,'/') ) { 540 $category_name = explode('/',$category_name); 541 if ( $category_name[count($category_name)-1] ) 542 $category_name = $category_name[count($category_name)-1]; // no trailing slash 543 else 544 $category_name = $category_name[count($category_name)-2]; // there was a trailling slash 545 } 546 $cat = get_term_by('slug', $category_name, 'category', OBJECT, 'display'); 547 if ( $cat ) 548 $title = apply_filters('single_cat_title', $cat->name); 549 } 550 551 if ( !empty($tag) ) { 552 $tag = get_term($tag, 'post_tag', OBJECT, 'display'); 553 if ( is_wp_error( $tag ) ) 554 return $tag; 555 if ( ! empty($tag->name) ) 556 $title = apply_filters('single_tag_title', $tag->name); 557 } 558 559 // If there's an author 560 if ( !empty($author) ) { 561 $title = get_userdata($author); 562 $title = $title->display_name; 563 } 564 if ( !empty($author_name) ) { 565 // We do a direct query here because we don't cache by nicename. 566 $title = $wpdb->get_var($wpdb->prepare("SELECT display_name FROM $wpdb->users WHERE user_nicename = %s", $author_name)); 567 } 568 569 // If there's a month 570 if ( !empty($m) ) { 571 $my_year = substr($m, 0, 4); 572 $my_month = $wp_locale->get_month(substr($m, 4, 2)); 573 $my_day = intval(substr($m, 6, 2)); 574 $title = $my_year . ($my_month ? $t_sep . $my_month : "") . ($my_day ? $t_sep . $my_day : ""); 575 } 576 577 if ( !empty($year) ) { 578 $title = $year; 579 if ( !empty($monthnum) ) 580 $title .= $t_sep . $wp_locale->get_month($monthnum); 581 if ( !empty($day) ) 582 $title .= $t_sep . zeroise($day, 2); 583 } 584 585 // If there is a post 586 if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) { 587 $post = $wp_query->get_queried_object(); 588 $title = apply_filters( 'single_post_title', $post->post_title ); 589 } 590 591 // If there's a taxonomy 592 if ( is_tax() ) { 593 $taxonomy = get_query_var( 'taxonomy' ); 594 $tax = get_taxonomy( $taxonomy ); 595 $term = $wp_query->get_queried_object(); 596 $term = $term->name; 597 $title = $tax->labels->name . $t_sep . $term; 598 } 599 600 //If it's a search 601 if ( is_search() ) { 602 /* translators: 1: separator, 2: search phrase */ 603 $title = sprintf(__('Search Results %1$s %2$s'), $t_sep, strip_tags($search)); 604 } 605 606 if ( is_404() ) { 607 $title = __('Page not found'); 608 } 609 610 $prefix = ''; 611 if ( !empty($title) ) 612 $prefix = " $sep "; 613 614 // Determines position of the separator and direction of the breadcrumb 615 if ( 'right' == $seplocation ) { // sep on right, so reverse the order 616 $title_array = explode( $t_sep, $title ); 617 $title_array = array_reverse( $title_array ); 618 $title = implode( " $sep ", $title_array ) . $prefix; 619 } else { 620 $title_array = explode( $t_sep, $title ); 621 $title = $prefix . implode( " $sep ", $title_array ); 622 } 623 624 $title = apply_filters('wp_title', $title, $sep, $seplocation); 625 626 // Send it out 627 if ( $display ) 628 echo $title; 629 else 630 return $title; 631 632 } 633 634 /** 635 * Display or retrieve page title for post. 636 * 637 * This is optimized for single.php template file for displaying the post title. 638 * Only useful for posts, does not support pages for example. 639 * 640 * It does not support placing the separator after the title, but by leaving the 641 * prefix parameter empty, you can set the title separator manually. The prefix 642 * does not automatically place a space between the prefix, so if there should 643 * be a space, the parameter value will need to have it at the end. 644 * 645 * @since 0.71 646 * @uses $wpdb 647 * 648 * @param string $prefix Optional. What to display before the title. 649 * @param bool $display Optional, default is true. Whether to display or retrieve title. 650 * @return string|null Title when retrieving, null when displaying or failure. 651 */ 652 function single_post_title($prefix = '', $display = true) { 653 global $wp_query, $post; 654 655 if ( ! $post ) 656 $_post = $wp_query->get_queried_object(); 657 else 658 $_post = $post; 659 660 if ( !isset($_post->post_title) ) 661 return; 662 663 $title = apply_filters('single_post_title', $_post->post_title, $_post); 664 if ( $display ) 665 echo $prefix . $title; 666 else 667 return $title; 668 } 669 670 /** 671 * Display or retrieve page title for category archive. 672 * 673 * This is useful for category template file or files, because it is optimized 674 * for category page title and with less overhead than {@link wp_title()}. 675 * 676 * It does not support placing the separator after the title, but by leaving the 677 * prefix parameter empty, you can set the title separator manually. The prefix 678 * does not automatically place a space between the prefix, so if there should 679 * be a space, the parameter value will need to have it at the end. 680 * 681 * @since 0.71 682 * 683 * @param string $prefix Optional. What to display before the title. 684 * @param bool $display Optional, default is true. Whether to display or retrieve title. 685 * @return string|null Title when retrieving, null when displaying or failure. 686 */ 687 function single_cat_title($prefix = '', $display = true ) { 688 global $wp_query; 689 690 if ( is_tag() ) 691 return single_tag_title($prefix, $display); 692 693 if ( !is_category() ) 694 return; 695 696 $cat = $wp_query->get_queried_object(); 697 $my_cat_name = apply_filters('single_cat_title', $cat->name); 698 if ( !empty($my_cat_name) ) { 699 if ( $display ) 700 echo $prefix . $my_cat_name; 701 else 702 return $my_cat_name; 703 } 704 } 705 706 /** 707 * Display or retrieve page title for tag post archive. 708 * 709 * Useful for tag template files for displaying the tag page title. It has less 710 * overhead than {@link wp_title()}, because of its limited implementation. 711 * 712 * It does not support placing the separator after the title, but by leaving the 713 * prefix parameter empty, you can set the title separator manually. The prefix 714 * does not automatically place a space between the prefix, so if there should 715 * be a space, the parameter value will need to have it at the end. 716 * 717 * @since 2.3.0 718 * 719 * @param string $prefix Optional. What to display before the title. 720 * @param bool $display Optional, default is true. Whether to display or retrieve title. 721 * @return string|null Title when retrieving, null when displaying or failure. 722 */ 723 function single_tag_title($prefix = '', $display = true ) { 724 global $wp_query; 725 if ( !is_tag() ) 726 return; 727 728 $tag = $wp_query->get_queried_object(); 729 730 if ( ! $tag ) 731 return; 732 733 $my_tag_name = apply_filters('single_tag_title', $tag->name); 734 if ( !empty($my_tag_name) ) { 735 if ( $display ) 736 echo $prefix . $my_tag_name; 737 else 738 return $my_tag_name; 739 } 740 } 741 742 /** 743 * Display or retrieve page title for post archive based on date. 744 * 745 * Useful for when the template only needs to display the month and year, if 746 * either are available. Optimized for just this purpose, so if it is all that 747 * is needed, should be better than {@link wp_title()}. 748 * 749 * It does not support placing the separator after the title, but by leaving the 750 * prefix parameter empty, you can set the title separator manually. The prefix 751 * does not automatically place a space between the prefix, so if there should 752 * be a space, the parameter value will need to have it at the end. 753 * 754 * @since 0.71 755 * 756 * @param string $prefix Optional. What to display before the title. 757 * @param bool $display Optional, default is true. Whether to display or retrieve title. 758 * @return string|null Title when retrieving, null when displaying or failure. 759 */ 760 function single_month_title($prefix = '', $display = true ) { 761 global $wp_locale; 762 763 $m = get_query_var('m'); 764 $year = get_query_var('year'); 765 $monthnum = get_query_var('monthnum'); 766 767 if ( !empty($monthnum) && !empty($year) ) { 768 $my_year = $year; 769 $my_month = $wp_locale->get_month($monthnum); 770 } elseif ( !empty($m) ) { 771 $my_year = substr($m, 0, 4); 772 $my_month = $wp_locale->get_month(substr($m, 4, 2)); 773 } 774 775 if ( empty($my_month) ) 776 return false; 777 778 $result = $prefix . $my_month . $prefix . $my_year; 779 780 if ( !$display ) 781 return $result; 782 echo $result; 783 } 784 785 /** 786 * Retrieve archive link content based on predefined or custom code. 787 * 788 * The format can be one of four styles. The 'link' for head element, 'option' 789 * for use in the select element, 'html' for use in list (either ol or ul HTML 790 * elements). Custom content is also supported using the before and after 791 * parameters. 792 * 793 * The 'link' format uses the link HTML element with the <em>archives</em> 794 * relationship. The before and after parameters are not used. The text 795 * parameter is used to describe the link. 796 * 797 * The 'option' format uses the option HTML element for use in select element. 798 * The value is the url parameter and the before and after parameters are used 799 * between the text description. 800 * 801 * The 'html' format, which is the default, uses the li HTML element for use in 802 * the list HTML elements. The before parameter is before the link and the after 803 * parameter is after the closing link. 804 * 805 * The custom format uses the before parameter before the link ('a' HTML 806 * element) and the after parameter after the closing link tag. If the above 807 * three values for the format are not used, then custom format is assumed. 808 * 809 * @since 1.0.0 810 * 811 * @param string $url URL to archive. 812 * @param string $text Archive text description. 813 * @param string $format Optional, default is 'html'. Can be 'link', 'option', 'html', or custom. 814 * @param string $before Optional. 815 * @param string $after Optional. 816 * @return string HTML link content for archive. 817 */ 818 function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') { 819 $text = wptexturize($text); 820 $title_text = esc_attr($text); 821 $url = esc_url($url); 822 823 if ('link' == $format) 824 $link_html = "\t<link rel='archives' title='$title_text' href='$url' />\n"; 825 elseif ('option' == $format) 826 $link_html = "\t<option value='$url'>$before $text $after</option>\n"; 827 elseif ('html' == $format) 828 $link_html = "\t<li>$before<a href='$url' title='$title_text'>$text</a>$after</li>\n"; 829 else // custom 830 $link_html = "\t$before<a href='$url' title='$title_text'>$text</a>$after\n"; 831 832 $link_html = apply_filters( "get_archives_link", $link_html ); 833 834 return $link_html; 835 } 836 837 /** 838 * Display archive links based on type and format. 839 * 840 * The 'type' argument offers a few choices and by default will display monthly 841 * archive links. The other options for values are 'daily', 'weekly', 'monthly', 842 * 'yearly', 'postbypost' or 'alpha'. Both 'postbypost' and 'alpha' display the 843 * same archive link list, the difference between the two is that 'alpha' 844 * will order by post title and 'postbypost' will order by post date. 845 * 846 * The date archives will logically display dates with links to the archive post 847 * page. The 'postbypost' and 'alpha' values for 'type' argument will display 848 * the post titles. 849 * 850 * The 'limit' argument will only display a limited amount of links, specified 851 * by the 'limit' integer value. By default, there is no limit. The 852 * 'show_post_count' argument will show how many posts are within the archive. 853 * By default, the 'show_post_count' argument is set to false. 854 * 855 * For the 'format', 'before', and 'after' arguments, see {@link 856 * get_archives_link()}. The values of these arguments have to do with that 857 * function. 858 * 859 * @since 1.2.0 860 * 861 * @param string|array $args Optional. Override defaults. 862 */ 863 function wp_get_archives($args = '') { 864 global $wpdb, $wp_locale; 865 866 $defaults = array( 867 'type' => 'monthly', 'limit' => '', 868 'format' => 'html', 'before' => '', 869 'after' => '', 'show_post_count' => false, 870 'echo' => 1 871 ); 872 873 $r = wp_parse_args( $args, $defaults ); 874 extract( $r, EXTR_SKIP ); 875 876 if ( '' == $type ) 877 $type = 'monthly'; 878 879 if ( '' != $limit ) { 880 $limit = absint($limit); 881 $limit = ' LIMIT '.$limit; 882 } 883 884 // this is what will separate dates on weekly archive links 885 $archive_week_separator = '–'; 886 887 // over-ride general date format ? 0 = no: use the date format set in Options, 1 = yes: over-ride 888 $archive_date_format_over_ride = 0; 889 890 // options for daily archive (only if you over-ride the general date format) 891 $archive_day_date_format = 'Y/m/d'; 892 893 // options for weekly archive (only if you over-ride the general date format) 894 $archive_week_start_date_format = 'Y/m/d'; 895 $archive_week_end_date_format = 'Y/m/d'; 896 897 if ( !$archive_date_format_over_ride ) { 898 $archive_day_date_format = get_option('date_format'); 899 $archive_week_start_date_format = get_option('date_format'); 900 $archive_week_end_date_format = get_option('date_format'); 901 } 902 903 //filters 904 $where = apply_filters('getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r ); 905 $join = apply_filters('getarchives_join', "", $r); 906 907 $output = ''; 908 909 if ( 'monthly' == $type ) { 910 $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC $limit"; 911 $key = md5($query); 912 $cache = wp_cache_get( 'wp_get_archives' , 'general'); 913 if ( !isset( $cache[ $key ] ) ) { 914 $arcresults = $wpdb->get_results($query); 915 $cache[ $key ] = $arcresults; 916 wp_cache_set( 'wp_get_archives', $cache, 'general' ); 917 } else { 918 $arcresults = $cache[ $key ]; 919 } 920 if ( $arcresults ) { 921 $afterafter = $after; 922 foreach ( (array) $arcresults as $arcresult ) { 923 $url = get_month_link( $arcresult->year, $arcresult->month ); 924 /* translators: 1: month name, 2: 4-digit year */ 925 $text = sprintf(__('%1$s %2$d'), $wp_locale->get_month($arcresult->month), $arcresult->year); 926 if ( $show_post_count ) 927 $after = ' ('.$arcresult->posts.')' . $afterafter; 928 $output .= get_archives_link($url, $text, $format, $before, $after); 929 } 930 } 931 } elseif ('yearly' == $type) { 932 $query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date DESC $limit"; 933 $key = md5($query); 934 $cache = wp_cache_get( 'wp_get_archives' , 'general'); 935 if ( !isset( $cache[ $key ] ) ) { 936 $arcresults = $wpdb->get_results($query); 937 $cache[ $key ] = $arcresults; 938 wp_cache_set( 'wp_get_archives', $cache, 'general' ); 939 } else { 940 $arcresults = $cache[ $key ]; 941 } 942 if ($arcresults) { 943 $afterafter = $after; 944 foreach ( (array) $arcresults as $arcresult) { 945 $url = get_year_link($arcresult->year); 946 $text = sprintf('%d', $arcresult->year); 947 if ($show_post_count) 948 $after = ' ('.$arcresult->posts.')' . $afterafter; 949 $output .= get_archives_link($url, $text, $format, $before, $after); 950 } 951 } 952 } elseif ( 'daily' == $type ) { 953 $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date DESC $limit"; 954 $key = md5($query); 955 $cache = wp_cache_get( 'wp_get_archives' , 'general'); 956 if ( !isset( $cache[ $key ] ) ) { 957 $arcresults = $wpdb->get_results($query); 958 $cache[ $key ] = $arcresults; 959 wp_cache_set( 'wp_get_archives', $cache, 'general' ); 960 } else { 961 $arcresults = $cache[ $key ]; 962 } 963 if ( $arcresults ) { 964 $afterafter = $after; 965 foreach ( (array) $arcresults as $arcresult ) { 966 $url = get_day_link($arcresult->year, $arcresult->month, $arcresult->dayofmonth); 967 $date = sprintf('%1$d-%2$02d-%3$02d 00:00:00', $arcresult->year, $arcresult->month, $arcresult->dayofmonth); 968 $text = mysql2date($archive_day_date_format, $date); 969 if ($show_post_count) 970 $after = ' ('.$arcresult->posts.')'.$afterafter; 971 $output .= get_archives_link($url, $text, $format, $before, $after); 972 } 973 } 974 } elseif ( 'weekly' == $type ) { 975 $week = _wp_mysql_week( '`post_date`' ); 976 $query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` DESC $limit"; 977 $key = md5($query); 978 $cache = wp_cache_get( 'wp_get_archives' , 'general'); 979 if ( !isset( $cache[ $key ] ) ) { 980 $arcresults = $wpdb->get_results($query); 981 $cache[ $key ] = $arcresults; 982 wp_cache_set( 'wp_get_archives', $cache, 'general' ); 983 } else { 984 $arcresults = $cache[ $key ]; 985 } 986 $arc_w_last = ''; 987 $afterafter = $after; 988 if ( $arcresults ) { 989 foreach ( (array) $arcresults as $arcresult ) { 990 if ( $arcresult->week != $arc_w_last ) { 991 $arc_year = $arcresult->yr; 992 $arc_w_last = $arcresult->week; 993 $arc_week = get_weekstartend($arcresult->yyyymmdd, get_option('start_of_week')); 994 $arc_week_start = date_i18n($archive_week_start_date_format, $arc_week['start']); 995 $arc_week_end = date_i18n($archive_week_end_date_format, $arc_week['end']); 996 $url = sprintf('%1$s/%2$s%3$sm%4$s%5$s%6$sw%7$s%8$d', home_url(), '', '?', '=', $arc_year, '&', '=', $arcresult->week); 997 $text = $arc_week_start . $archive_week_separator . $arc_week_end; 998 if ($show_post_count) 999 $after = ' ('.$arcresult->posts.')'.$afterafter; 1000 $output .= get_archives_link($url, $text, $format, $before, $after); 1001 } 1002 } 1003 } 1004 } elseif ( ( 'postbypost' == $type ) || ('alpha' == $type) ) { 1005 $orderby = ('alpha' == $type) ? "post_title ASC " : "post_date DESC "; 1006 $query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit"; 1007 $key = md5($query); 1008 $cache = wp_cache_get( 'wp_get_archives' , 'general'); 1009 if ( !isset( $cache[ $key ] ) ) { 1010 $arcresults = $wpdb->get_results($query); 1011 $cache[ $key ] = $arcresults; 1012 wp_cache_set( 'wp_get_archives', $cache, 'general' ); 1013 } else { 1014 $arcresults = $cache[ $key ]; 1015 } 1016 if ( $arcresults ) { 1017 foreach ( (array) $arcresults as $arcresult ) { 1018 if ( $arcresult->post_date != '0000-00-00 00:00:00' ) { 1019 $url = get_permalink($arcresult); 1020 $arc_title = $arcresult->post_title; 1021 if ( $arc_title ) 1022 $text = strip_tags(apply_filters('the_title', $arc_title)); 1023 else 1024 $text = $arcresult->ID; 1025 $output .= get_archives_link($url, $text, $format, $before, $after); 1026 } 1027 } 1028 } 1029 } 1030 if ( $echo ) 1031 echo $output; 1032 else 1033 return $output; 1034 } 1035 1036 /** 1037 * Get number of days since the start of the week. 1038 * 1039 * @since 1.5.0 1040 * @usedby get_calendar() 1041 * 1042 * @param int $num Number of day. 1043 * @return int Days since the start of the week. 1044 */ 1045 function calendar_week_mod($num) { 1046 $base = 7; 1047 return ($num - $base*floor($num/$base)); 1048 } 1049 1050 /** 1051 * Display calendar with days that have posts as links. 1052 * 1053 * The calendar is cached, which will be retrieved, if it exists. If there are 1054 * no posts for the month, then it will not be displayed. 1055 * 1056 * @since 1.0.0 1057 * 1058 * @param bool $initial Optional, default is true. Use initial calendar names. 1059 * @param bool $echo Optional, default is true. Set to false for return. 1060 */ 1061 function get_calendar($initial = true, $echo = true) { 1062 global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; 1063 1064 $cache = array(); 1065 $key = md5( $m . $monthnum . $year ); 1066 if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) { 1067 if ( is_array($cache) && isset( $cache[ $key ] ) ) { 1068 if ( $echo ) { 1069 echo apply_filters( 'get_calendar', $cache[$key] ); 1070 return; 1071 } else { 1072 return apply_filters( 'get_calendar', $cache[$key] ); 1073 } 1074 } 1075 } 1076 1077 if ( !is_array($cache) ) 1078 $cache = array(); 1079 1080 // Quick check. If we have no posts at all, abort! 1081 if ( !$posts ) { 1082 $gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1"); 1083 if ( !$gotsome ) { 1084 $cache[ $key ] = ''; 1085 wp_cache_set( 'get_calendar', $cache, 'calendar' ); 1086 return; 1087 } 1088 } 1089 1090 if ( isset($_GET['w']) ) 1091 $w = ''.intval($_GET['w']); 1092 1093 // week_begins = 0 stands for Sunday 1094 $week_begins = intval(get_option('start_of_week')); 1095 1096 // Let's figure out when we are 1097 if ( !empty($monthnum) && !empty($year) ) { 1098 $thismonth = ''.zeroise(intval($monthnum), 2); 1099 $thisyear = ''.intval($year); 1100 } elseif ( !empty($w) ) { 1101 // We need to get the month from MySQL 1102 $thisyear = ''.intval(substr($m, 0, 4)); 1103 $d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's 1104 $thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('$thisyear}0101', INTERVAL $d DAY) ), '%m')"); 1105 } elseif ( !empty($m) ) { 1106 $thisyear = ''.intval(substr($m, 0, 4)); 1107 if ( strlen($m) < 6 ) 1108 $thismonth = '01'; 1109 else 1110 $thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2); 1111 } else { 1112 $thisyear = gmdate('Y', current_time('timestamp')); 1113 $thismonth = gmdate('m', current_time('timestamp')); 1114 } 1115 1116 $unixmonth = mktime(0, 0 , 0, $thismonth, 1, $thisyear); 1117 1118 // Get the next and previous month and year with at least one post 1119 $previous = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year 1120 FROM $wpdb->posts 1121 WHERE post_date < '$thisyear-$thismonth-01' 1122 AND post_type = 'post' AND post_status = 'publish' 1123 ORDER BY post_date DESC 1124 LIMIT 1"); 1125 $next = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year 1126 FROM $wpdb->posts 1127 WHERE post_date > '$thisyear-$thismonth-01' 1128 AND MONTH( post_date ) != MONTH( '$thisyear-$thismonth-01' ) 1129 AND post_type = 'post' AND post_status = 'publish' 1130 ORDER BY post_date ASC 1131 LIMIT 1"); 1132 1133 /* translators: Calendar caption: 1: month name, 2: 4-digit year */ 1134 $calendar_caption = _x('%1$s %2$s', 'calendar caption'); 1135 $calendar_output = '<table id="wp-calendar" summary="' . esc_attr__('Calendar') . '"> 1136 <caption>' . sprintf($calendar_caption, $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '</caption> 1137 <thead> 1138 <tr>'; 1139 1140 $myweek = array(); 1141 1142 for ( $wdcount=0; $wdcount<=6; $wdcount++ ) { 1143 $myweek[] = $wp_locale->get_weekday(($wdcount+$week_begins)%7); 1144 } 1145 1146 foreach ( $myweek as $wd ) { 1147 $day_name = (true == $initial) ? $wp_locale->get_weekday_initial($wd) : $wp_locale->get_weekday_abbrev($wd); 1148 $wd = esc_attr($wd); 1149 $calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>"; 1150 } 1151 1152 $calendar_output .= ' 1153 </tr> 1154 </thead> 1155 1156 <tfoot> 1157 <tr>'; 1158 1159 if ( $previous ) { 1160 $calendar_output .= "\n\t\t".'<td colspan="3" id="prev"><a href="' . get_month_link($previous->year, $previous->month) . '" title="' . sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($previous->month), date('Y', mktime(0, 0 , 0, $previous->month, 1, $previous->year))) . '">« ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '</a></td>'; 1161 } else { 1162 $calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad"> </td>'; 1163 } 1164 1165 $calendar_output .= "\n\t\t".'<td class="pad"> </td>'; 1166 1167 if ( $next ) { 1168 $calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link($next->year, $next->month) . '" title="' . esc_attr( sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($next->month), date('Y', mktime(0, 0 , 0, $next->month, 1, $next->year))) ) . '">' . $wp_locale->get_month_abbrev($wp_locale->get_month($next->month)) . ' »</a></td>'; 1169 } else { 1170 $calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad"> </td>'; 1171 } 1172 1173 $calendar_output .= ' 1174 </tr> 1175 </tfoot> 1176 1177 <tbody> 1178 <tr>'; 1179 1180 // Get days with posts 1181 $dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date) 1182 FROM $wpdb->posts WHERE MONTH(post_date) = '$thismonth' 1183 AND YEAR(post_date) = '$thisyear' 1184 AND post_type = 'post' AND post_status = 'publish' 1185 AND post_date < '" . current_time('mysql') . '\'', ARRAY_N); 1186 if ( $dayswithposts ) { 1187 foreach ( (array) $dayswithposts as $daywith ) { 1188 $daywithpost[] = $daywith[0]; 1189 } 1190 } else { 1191 $daywithpost = array(); 1192 } 1193 1194 if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'camino') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false) 1195 $ak_title_separator = "\n"; 1196 else 1197 $ak_title_separator = ', '; 1198 1199 $ak_titles_for_day = array(); 1200 $ak_post_titles = $wpdb->get_results("SELECT ID, post_title, DAYOFMONTH(post_date) as dom " 1201 ."FROM $wpdb->posts " 1202 ."WHERE YEAR(post_date) = '$thisyear' " 1203 ."AND MONTH(post_date) = '$thismonth' " 1204 ."AND post_date < '".current_time('mysql')."' " 1205 ."AND post_type = 'post' AND post_status = 'publish'" 1206 ); 1207 if ( $ak_post_titles ) { 1208 foreach ( (array) $ak_post_titles as $ak_post_title ) { 1209 1210 $post_title = esc_attr( apply_filters( 'the_title', $ak_post_title->post_title, $ak_post_title->ID ) ); 1211 1212 if ( empty($ak_titles_for_day['day_'.$ak_post_title->dom]) ) 1213 $ak_titles_for_day['day_'.$ak_post_title->dom] = ''; 1214 if ( empty($ak_titles_for_day["$ak_post_title->dom"]) ) // first one 1215 $ak_titles_for_day["$ak_post_title->dom"] = $post_title; 1216 else 1217 $ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $post_title; 1218 } 1219 } 1220 1221 1222 // See how much we should pad in the beginning 1223 $pad = calendar_week_mod(date('w', $unixmonth)-$week_begins); 1224 if ( 0 != $pad ) 1225 $calendar_output .= "\n\t\t".'<td colspan="'. esc_attr($pad) .'" class="pad"> </td>'; 1226 1227 $daysinmonth = intval(date('t', $unixmonth)); 1228 for ( $day = 1; $day <= $daysinmonth; ++$day ) { 1229 if ( isset($newrow) && $newrow ) 1230 $calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; 1231 $newrow = false; 1232 1233 if ( $day == gmdate('j', current_time('timestamp')) && $thismonth == gmdate('m', current_time('timestamp')) && $thisyear == gmdate('Y', current_time('timestamp')) ) 1234 $calendar_output .= '<td id="today">'; 1235 else 1236 $calendar_output .= '<td>'; 1237 1238 if ( in_array($day, $daywithpost) ) // any posts today? 1239 $calendar_output .= '<a href="' . get_day_link($thisyear, $thismonth, $day) . "\" title=\"" . esc_attr($ak_titles_for_day[$day]) . "\">$day</a>"; 1240 else 1241 $calendar_output .= $day; 1242 $calendar_output .= '</td>'; 1243 1244 if ( 6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins) ) 1245 $newrow = true; 1246 } 1247 1248 $pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins); 1249 if ( $pad != 0 && $pad != 7 ) 1250 $calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr($pad) .'"> </td>'; 1251 1252 $calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>"; 1253 1254 $cache[ $key ] = $calendar_output; 1255 wp_cache_set( 'get_calendar', $cache, 'calendar' ); 1256 1257 if ( $echo ) 1258 echo apply_filters( 'get_calendar', $calendar_output ); 1259 else 1260 return apply_filters( 'get_calendar', $calendar_output ); 1261 1262 } 1263 1264 /** 1265 * Purge the cached results of get_calendar. 1266 * 1267 * @see get_calendar 1268 * @since 2.1.0 1269 */ 1270 function delete_get_calendar_cache() { 1271 wp_cache_delete( 'get_calendar', 'calendar' ); 1272 } 1273 add_action( 'save_post', 'delete_get_calendar_cache' ); 1274 add_action( 'delete_post', 'delete_get_calendar_cache' ); 1275 add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' ); 1276 add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' ); 1277 1278 /** 1279 * Display all of the allowed tags in HTML format with attributes. 1280 * 1281 * This is useful for displaying in the comment area, which elements and 1282 * attributes are supported. As well as any plugins which want to display it. 1283 * 1284 * @since 1.0.1 1285 * @uses $allowedtags 1286 * 1287 * @return string HTML allowed tags entity encoded. 1288 */ 1289 function allowed_tags() { 1290 global $allowedtags; 1291 $allowed = ''; 1292 foreach ( (array) $allowedtags as $tag => $attributes ) { 1293 $allowed .= '<'.$tag; 1294 if ( 0 < count($attributes) ) { 1295 foreach ( $attributes as $attribute => $limits ) { 1296 $allowed .= ' '.$attribute.'=""'; 1297 } 1298 } 1299 $allowed .= '> '; 1300 } 1301 return htmlentities($allowed); 1302 } 1303 1304 /***** Date/Time tags *****/ 1305 1306 /** 1307 * Outputs the date in iso8601 format for xml files. 1308 * 1309 * @since 1.0.0 1310 */ 1311 function the_date_xml() { 1312 global $post; 1313 echo mysql2date('Y-m-d', $post->post_date, false); 1314 } 1315 1316 /** 1317 * Display or Retrieve the date the current $post was written (once per date) 1318 * 1319 * Will only output the date if the current post's date is different from the 1320 * previous one output. 1321 1322 * i.e. Only one date listing will show per day worth of posts shown in the loop, even if the 1323 * function is called several times for each post. 1324 * 1325 * HTML output can be filtered with 'the_date'. 1326 * Date string output can be filtered with 'get_the_date'. 1327 * 1328 * @since 0.71 1329 * @uses get_the_date() 1330 * @param string $d Optional. PHP date format defaults to the date_format option if not specified. 1331 * @param string $before Optional. Output before the date. 1332 * @param string $after Optional. Output after the date. 1333 * @param bool $echo Optional, default is display. Whether to echo the date or return it. 1334 * @return string|null Null if displaying, string if retrieving. 1335 */ 1336 function the_date( $d = '', $before = '', $after = '', $echo = true ) { 1337 global $day, $previousday; 1338 $the_date = ''; 1339 if ( $day != $previousday ) { 1340 $the_date .= $before; 1341 $the_date .= get_the_date( $d ); 1342 $the_date .= $after; 1343 $previousday = $day; 1344 1345 $the_date = apply_filters('the_date', $the_date, $d, $before, $after); 1346 1347 if ( $echo ) 1348 echo $the_date; 1349 else 1350 return $the_date; 1351 } 1352 1353 return null; 1354 } 1355 1356 /** 1357 * Retrieve the date the current $post was written. 1358 * 1359 * Unlike the_date() this function will always return the date. 1360 * Modify output with 'get_the_date' filter. 1361 * 1362 * @since 3.0.0 1363 * 1364 * @param string $d Optional. PHP date format defaults to the date_format option if not specified. 1365 * @return string|null Null if displaying, string if retrieving. 1366 */ 1367 function get_the_date( $d = '' ) { 1368 global $post; 1369 $the_date = ''; 1370 1371 if ( '' == $d ) 1372 $the_date .= mysql2date(get_option('date_format'), $post->post_date); 1373 else 1374 $the_date .= mysql2date($d, $post->post_date); 1375 1376 return apply_filters('get_the_date', $the_date, $d); 1377 } 1378 1379 /** 1380 * Display the date on which the post was last modified. 1381 * 1382 * @since 2.1.0 1383 * 1384 * @param string $d Optional. PHP date format defaults to the date_format option if not specified. 1385 * @param string $before Optional. Output before the date. 1386 * @param string $after Optional. Output after the date. 1387 * @param bool $echo Optional, default is display. Whether to echo the date or return it. 1388 * @return string|null Null if displaying, string if retrieving. 1389 */ 1390 function the_modified_date($d = '', $before='', $after='', $echo = true) { 1391 1392 $the_modified_date = $before . get_the_modified_date($d) . $after; 1393 $the_modified_date = apply_filters('the_modified_date', $the_modified_date, $d, $before, $after); 1394 1395 if ( $echo ) 1396 echo $the_modified_date; 1397 else 1398 return $the_modified_date; 1399 1400 } 1401 1402 /** 1403 * Retrieve the date on which the post was last modified. 1404 * 1405 * @since 2.1.0 1406 * 1407 * @param string $d Optional. PHP date format. Defaults to the "date_format" option 1408 * @return string 1409 */ 1410 function get_the_modified_date($d = '') { 1411 if ( '' == $d ) 1412 $the_time = get_post_modified_time(get_option('date_format'), null, null, true); 1413 else 1414 $the_time = get_post_modified_time($d, null, null, true); 1415 return apply_filters('get_the_modified_date', $the_time, $d); 1416 } 1417 1418 /** 1419 * Display the time at which the post was written. 1420 * 1421 * @since 0.71 1422 * 1423 * @param string $d Either 'G', 'U', or php date format. 1424 */ 1425 function the_time( $d = '' ) { 1426 echo apply_filters('the_time', get_the_time( $d ), $d); 1427 } 1428 1429 /** 1430 * Retrieve the time at which the post was written. 1431 * 1432 * @since 1.5.0 1433 * 1434 * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option. 1435 * @param int|object $post Optional post ID or object. Default is global $post object. 1436 * @return string 1437 */ 1438 function get_the_time( $d = '', $post = null ) { 1439 $post = get_post($post); 1440 1441 if ( '' == $d ) 1442 $the_time = get_post_time(get_option('time_format'), false, $post, true); 1443 else 1444 $the_time = get_post_time($d, false, $post, true); 1445 return apply_filters('get_the_time', $the_time, $d, $post); 1446 } 1447 1448 /** 1449 * Retrieve the time at which the post was written. 1450 * 1451 * @since 2.0.0 1452 * 1453 * @param string $d Optional Either 'G', 'U', or php date format. 1454 * @param bool $gmt Optional, default is false. Whether to return the gmt time. 1455 * @param int|object $post Optional post ID or object. Default is global $post object. 1456 * @param bool $translate Whether to translate the time string 1457 * @return string 1458 */ 1459 function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { // returns timestamp 1460 $post = get_post($post); 1461 1462 if ( $gmt ) 1463 $time = $post->post_date_gmt; 1464 else 1465 $time = $post->post_date; 1466 1467 $time = mysql2date($d, $time, $translate); 1468 return apply_filters('get_post_time', $time, $d, $gmt); 1469 } 1470 1471 /** 1472 * Display the time at which the post was last modified. 1473 * 1474 * @since 2.0.0 1475 * 1476 * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option. 1477 */ 1478 function the_modified_time($d = '') { 1479 echo apply_filters('the_modified_time', get_the_modified_time($d), $d); 1480 } 1481 1482 /** 1483 * Retrieve the time at which the post was last modified. 1484 * 1485 * @since 2.0.0 1486 * 1487 * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option. 1488 * @return string 1489 */ 1490 function get_the_modified_time($d = '') { 1491 if ( '' == $d ) 1492 $the_time = get_post_modified_time(get_option('time_format'), null, null, true); 1493 else 1494 $the_time = get_post_modified_time($d, null, null, true); 1495 return apply_filters('get_the_modified_time', $the_time, $d); 1496 } 1497 1498 /** 1499 * Retrieve the time at which the post was last modified. 1500 * 1501 * @since 2.0.0 1502 * 1503 * @param string $d Optional, default is 'U'. Either 'G', 'U', or php date format. 1504 * @param bool $gmt Optional, default is false. Whether to return the gmt time. 1505 * @param int|object $post Optional, default is global post object. A post_id or post object 1506 * @param bool $translate Optional, default is false. Whether to translate the result 1507 * @return string Returns timestamp 1508 */ 1509 function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { 1510 $post = get_post($post); 1511 1512 if ( $gmt ) 1513 $time = $post->post_modified_gmt; 1514 else 1515 $time = $post->post_modified; 1516 $time = mysql2date($d, $time, $translate); 1517 1518 return apply_filters('get_post_modified_time', $time, $d, $gmt); 1519 } 1520 1521 /** 1522 * Display the weekday on which the post was written. 1523 * 1524 * @since 0.71 1525 * @uses $wp_locale 1526 * @uses $post 1527 */ 1528 function the_weekday() { 1529 global $wp_locale, $post; 1530 $the_weekday = $wp_locale->get_weekday(mysql2date('w', $post->post_date, false)); 1531 $the_weekday = apply_filters('the_weekday', $the_weekday); 1532 echo $the_weekday; 1533 } 1534 1535 /** 1536 * Display the weekday on which the post was written. 1537 * 1538 * Will only output the weekday if the current post's weekday is different from 1539 * the previous one output. 1540 * 1541 * @since 0.71 1542 * 1543 * @param string $before Optional Output before the date. 1544 * @param string $after Optional Output after the date. 1545 */ 1546 function the_weekday_date($before='',$after='') { 1547 global $wp_locale, $post, $day, $previousweekday; 1548 $the_weekday_date = ''; 1549 if ( $day != $previousweekday ) { 1550 $the_weekday_date .= $before; 1551 $the_weekday_date .= $wp_locale->get_weekday(mysql2date('w', $post->post_date, false)); 1552 $the_weekday_date .= $after; 1553 $previousweekday = $day; 1554 } 1555 $the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date, $before, $after); 1556 echo $the_weekday_date; 1557 } 1558 1559 /** 1560 * Fire the wp_head action 1561 * 1562 * @since 1.2.0 1563 * @uses do_action() Calls 'wp_head' hook. 1564 */ 1565 function wp_head() { 1566 do_action('wp_head'); 1567 } 1568 1569 /** 1570 * Fire the wp_footer action 1571 * 1572 * @since 1.5.1 1573 * @uses do_action() Calls 'wp_footer' hook. 1574 */ 1575 function wp_footer() { 1576 do_action('wp_footer'); 1577 } 1578 1579 /** 1580 * Display the links to the general feeds. 1581 * 1582 * @since 2.8.0 1583 * 1584 * @param array $args Optional arguments. 1585 */ 1586 function feed_links( $args = array() ) { 1587 if ( !current_theme_supports('automatic-feed-links') ) 1588 return; 1589 1590 $defaults = array( 1591 /* translators: Separator between blog name and feed type in feed links */ 1592 'separator' => _x('»', 'feed link'), 1593 /* translators: 1: blog title, 2: separator (raquo) */ 1594 'feedtitle' => __('%1$s %2$s Feed'), 1595 /* translators: %s: blog title, 2: separator (raquo) */ 1596 'comstitle' => __('%1$s %2$s Comments Feed'), 1597 ); 1598 1599 $args = wp_parse_args( $args, $defaults ); 1600 1601 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf( $args['feedtitle'], get_bloginfo('name'), $args['separator'] )) . '" href="' . get_feed_link() . "\" />\n"; 1602 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf( $args['comstitle'], get_bloginfo('name'), $args['separator'] )) . '" href="' . get_feed_link( 'comments_' . get_default_feed() ) . "\" />\n"; 1603 } 1604 1605 /** 1606 * Display the links to the extra feeds such as category feeds. 1607 * 1608 * @since 2.8.0 1609 * 1610 * @param array $args Optional arguments. 1611 */ 1612 function feed_links_extra( $args = array() ) { 1613 $defaults = array( 1614 /* translators: Separator between blog name and feed type in feed links */ 1615 'separator' => _x('»', 'feed link'), 1616 /* translators: 1: blog name, 2: separator(raquo), 3: post title */ 1617 'singletitle' => __('%1$s %2$s %3$s Comments Feed'), 1618 /* translators: 1: blog name, 2: separator(raquo), 3: category name */ 1619 'cattitle' => __('%1$s %2$s %3$s Category Feed'), 1620 /* translators: 1: blog name, 2: separator(raquo), 3: tag name */ 1621 'tagtitle' => __('%1$s %2$s %3$s Tag Feed'), 1622 /* translators: 1: blog name, 2: separator(raquo), 3: author name */ 1623 'authortitle' => __('%1$s %2$s Posts by %3$s Feed'), 1624 /* translators: 1: blog name, 2: separator(raquo), 3: search phrase */ 1625 'searchtitle' => __('%1$s %2$s Search Results for “%3$s” Feed'), 1626 ); 1627 1628 $args = wp_parse_args( $args, $defaults ); 1629 1630 if ( is_single() || is_page() ) { 1631 $post = &get_post( $id = 0 ); 1632 1633 if ( comments_open() || pings_open() || $post->comment_count > 0 ) { 1634 $title = esc_attr(sprintf( $args['singletitle'], get_bloginfo('name'), $args['separator'], esc_html( get_the_title() ) )); 1635 $href = get_post_comments_feed_link( $post->ID ); 1636 } 1637 } elseif ( is_category() ) { 1638 $cat_id = intval( get_query_var('cat') ); 1639 1640 $title = esc_attr(sprintf( $args['cattitle'], get_bloginfo('name'), $args['separator'], get_cat_name( $cat_id ) )); 1641 $href = get_category_feed_link( $cat_id ); 1642 } elseif ( is_tag() ) { 1643 $tag_id = intval( get_query_var('tag_id') ); 1644 $tag = get_tag( $tag_id ); 1645 1646 $title = esc_attr(sprintf( $args['tagtitle'], get_bloginfo('name'), $args['separator'], $tag->name )); 1647 $href = get_tag_feed_link( $tag_id ); 1648 } elseif ( is_author() ) { 1649 $author_id = intval( get_query_var('author') ); 1650 1651 $title = esc_attr(sprintf( $args['authortitle'], get_bloginfo('name'), $args['separator'], get_the_author_meta( 'display_name', $author_id ) )); 1652 $href = get_author_feed_link( $author_id ); 1653 } elseif ( is_search() ) { 1654 $title = esc_attr(sprintf( $args['searchtitle'], get_bloginfo('name'), $args['separator'], get_search_query( false ) )); 1655 $href = get_search_feed_link(); 1656 } 1657 1658 if ( isset($title) && isset($href) ) 1659 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . $title . '" href="' . $href . '" />' . "\n"; 1660 } 1661 1662 /** 1663 * Display the link to the Really Simple Discovery service endpoint. 1664 * 1665 * @link http://archipelago.phrasewise.com/rsd 1666 * @since 2.0.0 1667 */ 1668 function rsd_link() { 1669 echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . get_bloginfo('wpurl') . "/xmlrpc.php?rsd\" />\n"; 1670 } 1671 1672 /** 1673 * Display the link to the Windows Live Writer manifest file. 1674 * 1675 * @link http://msdn.microsoft.com/en-us/library/bb463265.aspx 1676 * @since 2.3.1 1677 */ 1678 function wlwmanifest_link() { 1679 echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="' 1680 . get_bloginfo('wpurl') . '/wp-includes/wlwmanifest.xml" /> ' . "\n"; 1681 } 1682 1683 /** 1684 * Display a noindex meta tag if required by the blog configuration. 1685 * 1686 * If a blog is marked as not being public then the noindex meta tag will be 1687 * output to tell web robots not to index the page content. 1688 * 1689 * @since 2.1.0 1690 */ 1691 function noindex() { 1692 // If the blog is not public, tell robots to go away. 1693 if ( '0' == get_option('blog_public') ) 1694 echo "<meta name='robots' content='noindex,nofollow' />\n"; 1695 } 1696 1697 /** 1698 * Determine if TinyMCE is available. 1699 * 1700 * Checks to see if the user has deleted the tinymce files to slim down there WordPress install. 1701 * 1702 * @since 2.1.0 1703 * 1704 * @return bool Whether TinyMCE exists. 1705 */ 1706 function rich_edit_exists() { 1707 global $wp_rich_edit_exists; 1708 if ( !isset($wp_rich_edit_exists) ) 1709 $wp_rich_edit_exists = file_exists(ABSPATH . WPINC . '/js/tinymce/tiny_mce.js'); 1710 return $wp_rich_edit_exists; 1711 } 1712 1713 /** 1714 * Whether the user should have a WYSIWIG editor. 1715 * 1716 * Checks that the user requires a WYSIWIG editor and that the editor is 1717 * supported in the users browser. 1718 * 1719 * @since 2.0.0 1720 * 1721 * @return bool 1722 */ 1723 function user_can_richedit() { 1724 global $wp_rich_edit, $pagenow, $is_iphone; 1725 1726 if ( !isset( $wp_rich_edit) ) { 1727 if ( get_user_option( 'rich_editing' ) == 'true' && 1728 !$is_iphone && // this includes all Safari mobile browsers 1729 ( ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval($match[1]) >= 420 ) || 1730 !preg_match( '!opera[ /][2-8]|konqueror|safari!i', $_SERVER['HTTP_USER_AGENT'] ) ) 1731 && 'comment.php' != $pagenow ) { 1732 $wp_rich_edit = true; 1733 } else { 1734 $wp_rich_edit = false; 1735 } 1736 } 1737 1738 return apply_filters('user_can_richedit', $wp_rich_edit); 1739 } 1740 1741 /** 1742 * Find out which editor should be displayed by default. 1743 * 1744 * Works out which of the two editors to display as the current editor for a 1745 * user. 1746 * 1747 * @since 2.5.0 1748 * 1749 * @return string Either 'tinymce', or 'html', or 'test' 1750 */ 1751 function wp_default_editor() { 1752 $r = user_can_richedit() ? 'tinymce' : 'html'; // defaults 1753 if ( $user = wp_get_current_user() ) { // look for cookie 1754 $ed = get_user_setting('editor', 'tinymce'); 1755 $r = ( in_array($ed, array('tinymce', 'html', 'test') ) ) ? $ed : $r; 1756 } 1757 return apply_filters( 'wp_default_editor', $r ); // filter 1758 } 1759 1760 /** 1761 * Display visual editor forms: TinyMCE, or HTML, or both. 1762 * 1763 * The amount of rows the text area will have for the content has to be between 1764 * 3 and 100 or will default at 12. There is only one option used for all users, 1765 * named 'default_post_edit_rows'. 1766 * 1767 * If the user can not use the rich editor (TinyMCE), then the switch button 1768 * will not be displayed. 1769 * 1770 * @since 2.1.0 1771 * 1772 * @param string $content Textarea content. 1773 * @param string $id Optional, default is 'content'. HTML ID attribute value. 1774 * @param string $prev_id Optional, default is 'title'. HTML ID name for switching back and forth between visual editors. 1775 * @param bool $media_buttons Optional, default is true. Whether to display media buttons. 1776 * @param int $tab_index Optional, default is 2. Tabindex for textarea element. 1777 */ 1778 function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2) { 1779 $rows = get_option('default_post_edit_rows'); 1780 if (($rows < 3) || ($rows > 100)) 1781 $rows = 12; 1782 1783 if ( !current_user_can( 'upload_files' ) ) 1784 $media_buttons = false; 1785 1786 $richedit = user_can_richedit(); 1787 $class = ''; 1788 1789 if ( $richedit || $media_buttons ) { ?> 1790 <div id="editor-toolbar"> 1791 <?php 1792 if ( $richedit ) { 1793 $wp_default_editor = wp_default_editor(); ?> 1794 <div class="zerosize"><input accesskey="e" type="button" onclick="switchEditors.go('<?php echo $id; ?>')" /></div> 1795 <?php if ( 'html' == $wp_default_editor ) { 1796 add_filter('the_editor_content', 'wp_htmledit_pre'); ?> 1797 <a id="edButtonHTML" class="active hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'html');"><?php _e('HTML'); ?></a> 1798 <a id="edButtonPreview" class="hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'tinymce');"><?php _e('Visual'); ?></a> 1799 <?php } else { 1800 $class = " class='theEditor'"; 1801 add_filter('the_editor_content', 'wp_richedit_pre'); ?> 1802 <a id="edButtonHTML" class="hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'html');"><?php _e('HTML'); ?></a> 1803 <a id="edButtonPreview" class="active hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'tinymce');"><?php _e('Visual'); ?></a> 1804 <?php } 1805 } 1806 1807 if ( $media_buttons ) { ?> 1808 <div id="media-buttons" class="hide-if-no-js"> 1809 <?php do_action( 'media_buttons' ); ?> 1810 </div> 1811 <?php 1812 } ?> 1813 </div> 1814 <?php 1815 } 1816 ?> 1817 <div id="quicktags"><?php 1818 wp_print_scripts( 'quicktags' ); ?> 1819 <script type="text/javascript">edToolbar()</script> 1820 </div> 1821 1822 <?php 1823 $the_editor = apply_filters('the_editor', "<div id='editorcontainer'><textarea rows='$rows'$class cols='40' name='$id' tabindex='$tab_index' id='$id'>%s</textarea></div>\n"); 1824 $the_editor_content = apply_filters('the_editor_content', $content); 1825 1826 printf($the_editor, $the_editor_content); 1827 1828 ?> 1829 <script type="text/javascript"> 1830 edCanvas = document.getElementById('<?php echo $id; ?>'); 1831 </script> 1832 <?php 1833 } 1834 1835 /** 1836 * Retrieve the contents of the search WordPress query variable. 1837 * 1838 * The search query string is passed through {@link esc_attr()} 1839 * to ensure that it is safe for placing in an html attribute. 1840 * 1841 * @since 2.3.0 1842 * @uses esc_attr() 1843 * 1844 * @param bool $escaped Whether the result is escaped. Default true. 1845 * Only use when you are later escaping it. Do not use unescaped. 1846 * @return string 1847 */ 1848 function get_search_query( $escaped = true ) { 1849 $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); 1850 if ( $escaped ) 1851 $query = esc_attr( $query ); 1852 return $query; 1853 } 1854 1855 /** 1856 * Display the contents of the search query variable. 1857 * 1858 * The search query string is passed through {@link esc_attr()} 1859 * to ensure that it is safe for placing in an html attribute. 1860 * 1861 * @uses esc_attr() 1862 * @since 2.1.0 1863 */ 1864 function the_search_query() { 1865 echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) ); 1866 } 1867 1868 /** 1869 * Display the language attributes for the html tag. 1870 * 1871 * Builds up a set of html attributes containing the text direction and language 1872 * information for the page. 1873 * 1874 * @since 2.1.0 1875 * 1876 * @param string $doctype The type of html document (xhtml|html). 1877 */ 1878 function language_attributes($doctype = 'html') { 1879 $attributes = array(); 1880 $output = ''; 1881 1882 if ( function_exists( 'is_rtl' ) ) 1883 $attributes[] = 'dir="' . ( is_rtl() ? 'rtl' : 'ltr' ) . '"'; 1884 1885 if ( $lang = get_bloginfo('language') ) { 1886 if ( get_option('html_type') == 'text/html' || $doctype == 'html' ) 1887 $attributes[] = "lang=\"$lang\""; 1888 1889 if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' ) 1890 $attributes[] = "xml:lang=\"$lang\""; 1891 } 1892 1893 $output = implode(' ', $attributes); 1894 $output = apply_filters('language_attributes', $output); 1895 echo $output; 1896 } 1897 1898 /** 1899 * Retrieve paginated link for archive post pages. 1900 * 1901 * Technically, the function can be used to create paginated link list for any 1902 * area. The 'base' argument is used to reference the url, which will be used to 1903 * create the paginated links. The 'format' argument is then used for replacing 1904 * the page number. It is however, most likely and by default, to be used on the 1905 * archive post pages. 1906 * 1907 * The 'type' argument controls format of the returned value. The default is 1908 * 'plain', which is just a string with the links separated by a newline 1909 * character. The other possible values are either 'array' or 'list'. The 1910 * 'array' value will return an array of the paginated link list to offer full 1911 * control of display. The 'list' value will place all of the paginated links in 1912 * an unordered HTML list. 1913 * 1914 * The 'total' argument is the total amount of pages and is an integer. The 1915 * 'current' argument is the current page number and is also an integer. 1916 * 1917 * An example of the 'base' argument is "http://example.com/all_posts.php%_%" 1918 * and the '%_%' is required. The '%_%' will be replaced by the contents of in 1919 * the 'format' argument. An example for the 'format' argument is "?page=%#%" 1920 * and the '%#%' is also required. The '%#%' will be replaced with the page 1921 * number. 1922 * 1923 * You can include the previous and next links in the list by setting the 1924 * 'prev_next' argument to true, which it is by default. You can set the 1925 * previous text, by using the 'prev_text' argument. You can set the next text 1926 * by setting the 'next_text' argument. 1927 * 1928 * If the 'show_all' argument is set to true, then it will show all of the pages 1929 * instead of a short list of the pages near the current page. By default, the 1930 * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size' 1931 * arguments. The 'end_size' argument is how many numbers on either the start 1932 * and the end list edges, by default is 1. The 'mid_size' argument is how many 1933 * numbers to either side of current page, but not including current page. 1934 * 1935 * It is possible to add query vars to the link by using the 'add_args' argument 1936 * and see {@link add_query_arg()} for more information. 1937 * 1938 * @since 2.1.0 1939 * 1940 * @param string|array $args Optional. Override defaults. 1941 * @return array|string String of page links or array of page links. 1942 */ 1943 function paginate_links( $args = '' ) { 1944 $defaults = array( 1945 'base' => '%_%', // http://example.com/all_posts.php%_% : %_% is replaced by format (below) 1946 'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number 1947 'total' => 1, 1948 'current' => 0, 1949 'show_all' => false, 1950 'prev_next' => true, 1951 'prev_text' => __('« Previous'), 1952 'next_text' => __('Next »'), 1953 'end_size' => 1, 1954 'mid_size' => 2, 1955 'type' => 'plain', 1956 'add_args' => false, // array of query args to add 1957 'add_fragment' => '' 1958 ); 1959 1960 $args = wp_parse_args( $args, $defaults ); 1961 extract($args, EXTR_SKIP); 1962 1963 // Who knows what else people pass in $args 1964 $total = (int) $total; 1965 if ( $total < 2 ) 1966 return; 1967 $current = (int) $current; 1968 $end_size = 0 < (int) $end_size ? (int) $end_size : 1; // Out of bounds? Make it the default. 1969 $mid_size = 0 <= (int) $mid_size ? (int) $mid_size : 2; 1970 $add_args = is_array($add_args) ? $add_args : false; 1971 $r = ''; 1972 $page_links = array(); 1973 $n = 0; 1974 $dots = false; 1975 1976 if ( $prev_next && $current && 1 < $current ) : 1977 $link = str_replace('%_%', 2 == $current ? '' : $format, $base); 1978 $link = str_replace('%#%', $current - 1, $link); 1979 if ( $add_args ) 1980 $link = add_query_arg( $add_args, $link ); 1981 $link .= $add_fragment; 1982 $page_links[] = "<a class='prev page-numbers' href='" . esc_url( apply_filters( 'paginate_links', $link ) ) . "'>$prev_text</a>"; 1983 endif; 1984 for ( $n = 1; $n <= $total; $n++ ) : 1985 $n_display = number_format_i18n($n); 1986 if ( $n == $current ) : 1987 $page_links[] = "<span class='page-numbers current'>$n_display</span>"; 1988 $dots = true; 1989 else : 1990 if ( $show_all || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) : 1991 $link = str_replace('%_%', 1 == $n ? '' : $format, $base); 1992 $link = str_replace('%#%', $n, $link); 1993 if ( $add_args ) 1994 $link = add_query_arg( $add_args, $link ); 1995 $link .= $add_fragment; 1996 $page_links[] = "<a class='page-numbers' href='" . esc_url( apply_filters( 'paginate_links', $link ) ) . "'>$n_display</a>"; 1997 $dots = true; 1998 elseif ( $dots && !$show_all ) : 1999 $page_links[] = "<span class='page-numbers dots'>...</span>"; 2000 $dots = false; 2001 endif; 2002 endif; 2003 endfor; 2004 if ( $prev_next && $current && ( $current < $total || -1 == $total ) ) : 2005 $link = str_replace('%_%', $format, $base); 2006 $link = str_replace('%#%', $current + 1, $link); 2007 if ( $add_args ) 2008 $link = add_query_arg( $add_args, $link ); 2009 $link .= $add_fragment; 2010 $page_links[] = "<a class='next page-numbers' href='" . esc_url( apply_filters( 'paginate_links', $link ) ) . "'>$next_text</a>"; 2011 endif; 2012 switch ( $type ) : 2013 case 'array' : 2014 return $page_links; 2015 break; 2016 case 'list' : 2017 $r .= "<ul class='page-numbers'>\n\t<li>"; 2018 $r .= join("</li>\n\t<li>", $page_links); 2019 $r .= "</li>\n</ul>\n"; 2020 break; 2021 default : 2022 $r = join("\n", $page_links); 2023 break; 2024 endswitch; 2025 return $r; 2026 } 2027 2028 /** 2029 * Registers an admin colour scheme css file. 2030 * 2031 * Allows a plugin to register a new admin colour scheme. For example: 2032 * <code> 2033 * wp_admin_css_color('classic', __('Classic'), admin_url("css/colors-classic.css"), 2034 * array('#07273E', '#14568A', '#D54E21', '#2683AE')); 2035 * </code> 2036 * 2037 * @since 2.5.0 2038 * 2039 * @param string $key The unique key for this theme. 2040 * @param string $name The name of the theme. 2041 * @param string $url The url of the css file containing the colour scheme. 2042 * @param array @colors Optional An array of CSS color definitions which are used to give the user a feel for the theme. 2043 */ 2044 function wp_admin_css_color($key, $name, $url, $colors = array()) { 2045 global $_wp_admin_css_colors; 2046 2047 if ( !isset($_wp_admin_css_colors) ) 2048 $_wp_admin_css_colors = array(); 2049 2050 $_wp_admin_css_colors[$key] = (object) array('name' => $name, 'url' => $url, 'colors' => $colors); 2051 } 2052 2053 /** 2054 * Registers the default Admin color schemes 2055 * 2056 * @since 3.0.0 2057 */ 2058 function register_admin_color_schemes() { 2059 wp_admin_css_color('classic', __('Blue'), admin_url("css/colors-classic.css"), array('#073447', '#21759B', '#EAF3FA', '#BBD8E7')); 2060 wp_admin_css_color('fresh', __('Gray'), admin_url("css/colors-fresh.css"), array('#464646', '#6D6D6D', '#F1F1F1', '#DFDFDF'));} 2061 2062 /** 2063 * Display the URL of a WordPress admin CSS file. 2064 * 2065 * @see WP_Styles::_css_href and its style_loader_src filter. 2066 * 2067 * @since 2.3.0 2068 * 2069 * @param string $file file relative to wp-admin/ without its ".css" extension. 2070 */ 2071 function wp_admin_css_uri( $file = 'wp-admin' ) { 2072 if ( defined('WP_INSTALLING') ) { 2073 $_file = "./$file.css"; 2074 } else { 2075 $_file = admin_url("$file.css"); 2076 } 2077 $_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file ); 2078 2079 return apply_filters( 'wp_admin_css_uri', $_file, $file ); 2080 } 2081 2082 /** 2083 * Enqueues or directly prints a stylesheet link to the specified CSS file. 2084 * 2085 * "Intelligently" decides to enqueue or to print the CSS file. If the 2086 * 'wp_print_styles' action has *not* yet been called, the CSS file will be 2087 * enqueued. If the wp_print_styles action *has* been called, the CSS link will 2088 * be printed. Printing may be forced by passing TRUE as the $force_echo 2089 * (second) parameter. 2090 * 2091 * For backward compatibility with WordPress 2.3 calling method: If the $file 2092 * (first) parameter does not correspond to a registered CSS file, we assume 2093 * $file is a file relative to wp-admin/ without its ".css" extension. A 2094 * stylesheet link to that generated URL is printed. 2095 * 2096 * @package WordPress 2097 * @since 2.3.0 2098 * @uses $wp_styles WordPress Styles Object 2099 * 2100 * @param string $file Style handle name or file name (without ".css" extension) relative to wp-admin/ 2101 * @param bool $force_echo Optional. Force the stylesheet link to be printed rather than enqueued. 2102 */ 2103 function wp_admin_css( $file = 'wp-admin', $force_echo = false ) { 2104 global $wp_styles; 2105 if ( !is_a($wp_styles, 'WP_Styles') ) 2106 $wp_styles = new WP_Styles(); 2107 2108 // For backward compatibility 2109 $handle = 0 === strpos( $file, 'css/' ) ? substr( $file, 4 ) : $file; 2110 2111 if ( $wp_styles->query( $handle ) ) { 2112 if ( $force_echo || did_action( 'wp_print_styles' ) ) // we already printed the style queue. Print this one immediately 2113 wp_print_styles( $handle ); 2114 else // Add to style queue 2115 wp_enqueue_style( $handle ); 2116 return; 2117 } 2118 2119 echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( $file ) ) . "' type='text/css' />\n", $file ); 2120 if ( is_rtl() ) 2121 echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( "$file-rtl" ) ) . "' type='text/css' />\n", "$file-rtl" ); 2122 } 2123 2124 /** 2125 * Enqueues the default ThickBox js and css. 2126 * 2127 * If any of the settings need to be changed, this can be done with another js 2128 * file similar to media-upload.js and theme-preview.js. That file should 2129 * require array('thickbox') to ensure it is loaded after. 2130 * 2131 * @since 2.5.0 2132 */ 2133 function add_thickbox() { 2134 wp_enqueue_script( 'thickbox' ); 2135 wp_enqueue_style( 'thickbox' ); 2136 } 2137 2138 /** 2139 * Display the XHTML generator that is generated on the wp_head hook. 2140 * 2141 * @since 2.5.0 2142 */ 2143 function wp_generator() { 2144 the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) ); 2145 } 2146 2147 /** 2148 * Display the generator XML or Comment for RSS, ATOM, etc. 2149 * 2150 * Returns the correct generator type for the requested output format. Allows 2151 * for a plugin to filter generators overall the the_generator filter. 2152 * 2153 * @since 2.5.0 2154 * @uses apply_filters() Calls 'the_generator' hook. 2155 * 2156 * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export). 2157 */ 2158 function the_generator( $type ) { 2159 echo apply_filters('the_generator', get_the_generator($type), $type) . "\n"; 2160 } 2161 2162 /** 2163 * Creates the generator XML or Comment for RSS, ATOM, etc. 2164 * 2165 * Returns the correct generator type for the requested output format. Allows 2166 * for a plugin to filter generators on an individual basis using the 2167 * 'get_the_generator_{$type}' filter. 2168 * 2169 * @since 2.5.0 2170 * @uses apply_filters() Calls 'get_the_generator_$type' hook. 2171 * 2172 * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export). 2173 * @return string The HTML content for the generator. 2174 */ 2175 function get_the_generator( $type = '' ) { 2176 if ( empty( $type ) ) { 2177 2178 $current_filter = current_filter(); 2179 if ( empty( $current_filter ) ) 2180 return; 2181 2182 switch ( $current_filter ) { 2183 case 'rss2_head' : 2184 case 'commentsrss2_head' : 2185 $type = 'rss2'; 2186 break; 2187 case 'rss_head' : 2188 case 'opml_head' : 2189 $type = 'comment'; 2190 break; 2191 case 'rdf_header' : 2192 $type = 'rdf'; 2193 break; 2194 case 'atom_head' : 2195 case 'comments_atom_head' : 2196 case 'app_head' : 2197 $type = 'atom'; 2198 break; 2199 } 2200 } 2201 2202 switch ( $type ) { 2203 case 'html': 2204 $gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '">'; 2205 break; 2206 case 'xhtml': 2207 $gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '" />'; 2208 break; 2209 case 'atom': 2210 $gen = '<generator uri="http://wordpress.org/" version="' . get_bloginfo_rss( 'version' ) . '">WordPress</generator>'; 2211 break; 2212 case 'rss2': 2213 $gen = '<generator>http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '</generator>'; 2214 break; 2215 case 'rdf': 2216 $gen = '<admin:generatorAgent rdf:resource="http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '" />'; 2217 break; 2218 case 'comment': 2219 $gen = '<!-- generator="WordPress/' . get_bloginfo( 'version' ) . '" -->'; 2220 break; 2221 case 'export': 2222 $gen = '<!-- generator="WordPress/' . get_bloginfo_rss('version') . '" created="'. date('Y-m-d H:i') . '"-->'; 2223 break; 2224 } 2225 return apply_filters( "get_the_generator_{$type}", $gen, $type ); 2226 } 2227 2228 /** 2229 * Outputs the html checked attribute. 2230 * 2231 * Compares the first two arguments and if identical marks as checked 2232 * 2233 * @since 1.0 2234 * 2235 * @param mixed $checked One of the values to compare 2236 * @param mixed $current (true) The other value to compare if not just true 2237 * @param bool $echo Whether to echo or just return the string 2238 * @return string html attribute or empty string 2239 */ 2240 function checked( $checked, $current = true, $echo = true ) { 2241 return __checked_selected_helper( $checked, $current, $echo, 'checked' ); 2242 } 2243 2244 /** 2245 * Outputs the html selected attribute. 2246 * 2247 * Compares the first two arguments and if identical marks as selected 2248 * 2249 * @since 1.0 2250 * 2251 * @param mixed selected One of the values to compare 2252 * @param mixed $current (true) The other value to compare if not just true 2253 * @param bool $echo Whether to echo or just return the string 2254 * @return string html attribute or empty string 2255 */ 2256 function selected( $selected, $current = true, $echo = true ) { 2257 return __checked_selected_helper( $selected, $current, $echo, 'selected' ); 2258 } 2259 2260 /** 2261 * Outputs the html disabled attribute. 2262 * 2263 * Compares the first two arguments and if identical marks as disabled 2264 * 2265 * @since 3.0.0 2266 * 2267 * @param mixed $disabled One of the values to compare 2268 * @param mixed $current (true) The other value to compare if not just true 2269 * @param bool $echo Whether to echo or just return the string 2270 * @return string html attribute or empty string 2271 */ 2272 function disabled( $disabled, $current = true, $echo = true ) { 2273 return __checked_selected_helper( $disabled, $current, $echo, 'disabled' ); 2274 } 2275 2276 /** 2277 * Private helper function for checked, selected, and disabled. 2278 * 2279 * Compares the first two arguments and if identical marks as $type 2280 * 2281 * @since 2.8 2282 * @access private 2283 * 2284 * @param any $helper One of the values to compare 2285 * @param any $current (true) The other value to compare if not just true 2286 * @param bool $echo Whether to echo or just return the string 2287 * @param string $type The type of checked|selected|disabled we are doing 2288 * @return string html attribute or empty string 2289 */ 2290 function __checked_selected_helper( $helper, $current, $echo, $type ) { 2291 if ( (string) $helper === (string) $current ) 2292 $result = " $type='$type'"; 2293 else 2294 $result = ''; 2295 2296 if ( $echo ) 2297 echo $result; 2298 2299 return $result; 2300 } 2301 2302 ?>
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