_get_plugin_from_callback

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Private Access Private Access

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Summery Summery

Internal helper function to find the plugin from a meta box callback.

Syntax Syntax

_get_plugin_from_callback( callable $callback )

Parameters Parameters

$callback

(callable) (Required) The callback function to check.

Return Return

(array|null) The plugin that the callback belongs to, or null if it doesn't belong to a plugin.

Source Source

File: wp-admin/includes/template.php

function _get_plugin_from_callback( $callback ) {
	try {
		if ( is_array( $callback ) ) {
			$reflection = new ReflectionMethod( $callback[0], $callback[1] );
		} elseif ( is_string( $callback ) && false !== strpos( $callback, '::' ) ) {
			$reflection = new ReflectionMethod( $callback );
		} else {
			$reflection = new ReflectionFunction( $callback );
		}
	} catch ( ReflectionException $exception ) {
		// We could not properly reflect on the callable, so we abort here.
		return null;
	}

	// Don't show an error if it's an internal PHP function.
	if ( ! $reflection->isInternal() ) {

		// Only show errors if the meta box was registered by a plugin.
		$filename   = wp_normalize_path( $reflection->getFileName() );
		$plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );

		if ( strpos( $filename, $plugin_dir ) === 0 ) {
			$filename = str_replace( $plugin_dir, '', $filename );
			$filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );

			$plugins = get_plugins();

			foreach ( $plugins as $name => $plugin ) {
				if ( strpos( $name, $filename ) === 0 ) {
					return $plugin;
				}
			}
		}
	}

	return null;
}

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Changelog Changelog

Changelog
Version Description
5.0.0 Introduced.

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