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PHP Cross Reference of WordPress Trunk (Updated Daily)
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Variable Cross Reference
$function_key
Defined at:
/wp-includes/class-wp-hook.php
->
line 198
/wp-includes/class-wp-hook.php
->
line 245
Referenced 8 times:
/wp-includes/class-wp-hook.php
->
line 198
/wp-includes/class-wp-hook.php
->
line 200
/wp-includes/class-wp-hook.php
->
line 200
/wp-includes/class-wp-hook.php
->
line 203
/wp-includes/class-wp-hook.php
->
line 245
/wp-includes/class-wp-hook.php
->
line 247
/wp-includes/class-wp-hook.php
->
line 252
/wp-includes/class-wp-hook.php
->
line 256
Generated : Thu Apr 23 08:20:11 2026
Cross-referenced by
PHPXref