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PHP Cross Reference of WordPress Trunk (Updated Daily)
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Function and Method Cross Reference
add_class()
Defined at:
/wp-includes/html-api/class-wp-html-processor.php
->
line 5368
/wp-includes/html-api/class-wp-html-tag-processor.php
->
line 4497
Referenced 28 times:
/wp-includes/class-wp-duotone.php
->
line 1150
/wp-includes/class-wp-duotone.php
->
line 1186
/wp-includes/interactivity-api/class-wp-interactivity-api.php
->
line 1092
/wp-includes/html-api/class-wp-html-processor.php
->
line 5377
/wp-includes/block-supports/layout.php
->
line 713
/wp-includes/block-supports/layout.php
->
line 850
/wp-includes/block-supports/layout.php
->
line 938
/wp-includes/blocks/search.php
->
line 54
/wp-includes/blocks/search.php
->
line 57
/wp-includes/blocks/search.php
->
line 60
/wp-includes/blocks/search.php
->
line 73
/wp-includes/blocks/search.php
->
line 133
/wp-includes/block-supports/dimensions.php
->
line 151
/wp-includes/block-supports/block-style-variations.php
->
line 234
/wp-includes/block-supports/settings.php
->
line 57
/wp-includes/blocks/list.php
->
line 32
/wp-includes/block-supports/position.php
->
line 136
/wp-includes/block-supports/elements.php
->
line 255
/wp-includes/blocks/navigation-submenu.php
->
line 259
/wp-includes/blocks/image.php
->
line 240
/wp-includes/blocks/cover.php
->
line 165
/wp-includes/blocks/cover.php
->
line 166
/wp-includes/blocks/cover.php
->
line 168
/wp-includes/blocks/cover.php
->
line 171
/wp-includes/blocks/media-text.php
->
line 47
/wp-includes/blocks/gallery.php
->
line 87
/wp-includes/blocks/heading.php
->
line 34
/wp-includes/block-supports/background.php
->
line 98
Generated : Sat Apr 18 08:20:10 2026
Cross-referenced by
PHPXref