Last active
June 12, 2022 17:52
-
-
Save komerystyi/33ebcd7d560a194609a4d8328c2375ff to your computer and use it in GitHub Desktop.
WordPress: Function to return all hooks for actions or filters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| function list_hooks( $hook = '' ) { | |
| global $wp_filter; | |
| if ( isset( $wp_filter[ $hook ]->callbacks ) ) { | |
| array_walk( $wp_filter[ $hook ]->callbacks, function( $callbacks, $priority ) use ( &$hooks ) { | |
| foreach ( $callbacks as $id => $callback ) { | |
| $hooks[] = array_merge( [ 'id' => $id, 'priority' => $priority ], $callback ); | |
| } | |
| } ); | |
| } else { | |
| return []; | |
| } | |
| foreach( $hooks as &$item ) { | |
| // skip if callback does not exist | |
| if ( ! is_callable( $item['function'] ) ) { | |
| continue; | |
| } | |
| // function name as string or static class method eg. 'Foo::Bar' | |
| if ( is_string( $item['function'] ) ) { | |
| $ref = strpos( $item['function'], '::' ) ? new ReflectionClass( strstr( $item['function'], '::', true ) ) : new ReflectionFunction( $item['function'] ); | |
| $item['file'] = $ref->getFileName(); | |
| $item['line'] = get_class( $ref ) == 'ReflectionFunction' | |
| ? $ref->getStartLine() | |
| : $ref->getMethod( substr( $item['function'], strpos( $item['function'], '::' ) + 2 ) )->getStartLine(); | |
| // array( object, method ), array( string object, method ), array( string object, string 'parent::method' ) | |
| } elseif ( is_array( $item['function'] ) ) { | |
| $ref = new ReflectionClass( $item['function'][0] ); | |
| // $item['function'][0] is a reference to existing object | |
| $item['function'] = [ | |
| is_object( $item['function'][0] ) ? get_class( $item['function'][0] ) : $item['function'][0], | |
| $item['function'][1] | |
| ]; | |
| $item['file'] = $ref->getFileName(); | |
| $item['line'] = strpos( $item['function'][1], '::' ) | |
| ? $ref->getParentClass()->getMethod( substr( $item['function'][1], strpos( $item['function'][1], '::' ) + 2 ) )->getStartLine() | |
| : $ref->getMethod( $item['function'][1] )->getStartLine(); | |
| // closures | |
| } elseif ( is_callable( $item['function'] ) ) { | |
| $ref = new ReflectionFunction( $item['function'] ); | |
| $item['function'] = get_class( $item['function'] ); | |
| $item['file'] = $ref->getFileName(); | |
| $item['line'] = $ref->getStartLine(); | |
| } | |
| } | |
| return $hooks; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment