Function: is_string()

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Referenced 8 times:

1. /textpattern/lib/txplib_html.php -> line 913
2. /textpattern/vendors/Textpattern/Tag/Registry.php -> line 59
3. /textpattern/lib/IXRClass.php -> line 459
4. /textpattern/lib/IXRClass.php -> line 1008
5. /textpattern/vendors/Textpattern/Filter/StringFilter.php -> line 49
6. /textpattern/vendors/Textpattern/Type/TypeCallable.php -> line 133
7. /textpattern/lib/txplib_misc.php -> line 6035
8. /textpattern/lib/txplib_misc.php -> line 6286