wp-includes/class-wp-plugin-dependencies.php:624Gets the filepath of installed dependencies.
array protected static function get_dependency_filepaths() { if ( is_array( self::$dependency_filepaths ) ) { return self::$dependency_filepaths; } if ( null === self::$dependency_slugs ) { return array(); } self::$dependency_filepaths = array(); $plugin_dirnames = self::get_plugin_dirnames(); foreach ( self::$dependency_slugs as $slug ) { if ( isset( $plugin_dirnames[ $slug ] ) ) { self::$dependency_filepaths[ $slug ] = $plugin_dirnames[ $slug ]; continue; } self::$dependency_filepaths[ $slug ] = false; } return self::$dependency_filepaths; }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-plugin-dependencies.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.