wp-includes/plugin.php:229Calls the callback functions that have been added to a filter hook, specifying arguments in an array.
$hook_namestring$argsarraymixedfunction apply_filters_ref_array( $hook_name, $args ) { global $wp_filter, $wp_filters, $wp_current_filter; if ( ! isset( $wp_filters[ $hook_name ] ) ) { $wp_filters[ $hook_name ] = 1; } else { ++$wp_filters[ $hook_name ]; } // Do 'all' actions first. if ( isset( $wp_filter['all'] ) ) { $wp_current_filter[] = $hook_name; $all_args = func_get_args(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection _wp_call_all_hook( $all_args ); } if ( ! isset( $wp_filter[ $hook_name ] ) ) { if ( isset( $wp_filter['all'] ) ) { array_pop( $wp_current_filter ); } return $args[0]; } if ( ! isset( $wp_filter['all'] ) ) { $wp_current_filter[] = $hook_name; } $filtered = $wp_filter[ $hook_name ]->apply_filters( $args[0], $args ); array_pop( $wp_current_filter ); return $filtered;}Introduced in 3.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/plugin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.