wp_font_library_wp_admin_enqueue_scripts( string $hook_suffix )

Description

Compatibility

Present in 2 of the 5 tracked releases, and compiles on PHP 7.4 through 8.6-dev.

Parameters

$hook_suffixstring

The current admin page.

Performance profile

How much work a call to wp_font_library_wp_admin_enqueue_scripts() does, and what it touches: the algorithmic scaling, the Zend instruction count per call across PHP versions, the hooks it hands control to, and the core code that calls it. Measured from the compiled opcodes, not a stopwatch, so every number is identical on any machine running the same PHP version, and every function in core is ranked by cost.

Cost class

Trivial

Touches nothing outside its own arguments.

Scaling

Constant

No loop in the body: the same number of instructions runs whatever you pass in.

Instructions

6

Executed per call on PHP 8.5. The body compiles to 138.

Plugin surface

2 hooks

Third-party callbacks on 'font-library-wp-admin_init', 'font-library-wp-admin_boot_dependencies' run inside this call, and their cost is not bounded by anything here.

Called by

0

Nothing in core calls this; the cost is only what you spend yourself.

What it touches

• hookthird-party callbacksdo_action()called directly

Further down the call graph this can also reach option, cache, serialize, query and transient. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.

What one call costs · 1 distinct outcome

One number would be a lie: the work depends on which branch runs. These are every distinct cost wp_font_library_wp_admin_enqueue_scripts() can have, taken from its control-flow graph on PHP 8.5.

Hooks and filters fired · 2

2 hooks fire while wp_font_library_wp_admin_enqueue_scripts() runs, in this order:

1. 1
   do_action( font-library-wp-admin_init )actionline 141 (+20 into the body)
2. 2
   apply_filters( font-library-wp-admin_boot_dependencies )filterline 241 (+120 into the body)

   Filters the boot script-module dependencies for the font-library-wp-admin page.

Uses · 14

• get_current_screen()Get the current screen object
• do_action()Calls the callback functions that have been added to an action hook.
• wp_font_library_wp_admin_preload_data()Preload REST API data for the font-library-wp-admin page.
• wp_get_font_library_wp_admin_routes()Get all registered routes for the font-library-wp-admin page.
• wp_register_script()Registers a new script.
• wp_add_inline_script()Adds extra code to a registered script.
• wp_json_encode()Encodes a variable into JSON, with some confidence checks.
• wp_style_is()Checks whether a CSS stylesheet has been added to the queue.
• wp_register_style()Registers a CSS stylesheet.
• apply_filters()Calls the callback functions that have been added to a filter hook.
• wp_register_script_module()Registers the script module if no script module with that script module identifier has already been registered.
• wp_enqueue_script()Enqueues a script.

Source code

View on Trac ↗View on GitHub ↗

121function wp_font_library_wp_admin_enqueue_scripts( $hook_suffix ) {122	// Check all possible ways this page can be accessed:123	// 1. Menu page via admin.php?page=font-library-wp-admin (plugin)124	// 2. Direct file via font-library.php (Core) - screen ID will be 'font-library'125	$current_screen = get_current_screen();126	$is_our_page = (127		( isset( $_GET['page'] ) && 'font-library-wp-admin' === $_GET['page'] ) || // phpcs:ignore WordPress.Security.NonceVerification.Recommended128		( $current_screen && 'font-library' === $current_screen->id )129	);130 131	if ( ! $is_our_page ) {132		return;133	}134 135	// Load build constants136	$build_constants = require __DIR__ . '/../../constants.php';137 138	/**139	 * Fires when the font-library admin page is initialized so extensions can register routes and menu items.140	 */141	do_action( 'font-library-wp-admin_init' );142 143	// Preload REST API data144	wp_font_library_wp_admin_preload_data();145 146	// Get all registered routes147	$routes = wp_get_font_library_wp_admin_routes();148 149	// Get boot module asset file for dependencies150	$asset_file = ABSPATH . WPINC . '/js/dist/script-modules/boot/index.min.asset.php';151	if ( file_exists( $asset_file ) ) {152		$asset = require $asset_file;153 154		// This script serves two purposes:155		// 1. It ensures all the globals that are made available to the modules are loaded.156		// 2. It initializes the boot module as an inline script.157		wp_register_script( 'font-library-wp-admin-prerequisites', '', $asset['dependencies'], $asset['version'], true );158 159		$init_modules = [];160 161		/*162		 * Add inline script to initialize the app using initSinglePage (no menuItems).163		 * The dynamic import is deferred until DOMContentLoaded so that all classic164		 * script dependencies of @wordpress/boot (wp-private-apis, wp-components,165		 * wp-theme, etc.) have finished parsing and executing before the boot module166		 * evaluates. Otherwise, a modulepreloaded @wordpress/boot can win the race167		 * against the classic-script-printing pass on fast CDN-fronted hosts in168		 * Chrome, evaluating before wp.theme.privateApis is defined and throwing169		 * "Cannot unlock an undefined object". See <https://core.trac.wordpress.org/ticket/65103>.170		 */171		$init_js_function = <<<'JS'172		( mountId, routes, initModules ) => {173			const run = async () => {174				const mod = await import( "@wordpress/boot" );175				mod.initSinglePage( { mountId, routes, initModules } );176			};177			if ( document.readyState === "loading" ) {178				document.addEventListener( "DOMContentLoaded", run );179			} else {180				run();181			}182		}183		JS;184		wp_add_inline_script(185			'font-library-wp-admin-prerequisites',186			sprintf(187				'( %s )( %s, %s, %s );',188				$init_js_function,189				wp_json_encode( 'font-library-wp-admin-app', JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ),190				wp_json_encode( $routes, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ),191				wp_json_encode( $init_modules, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES )192			)193		);194 195		// Register prerequisites style by filtering script dependencies to find registered styles196		$style_dependencies = array_filter(197			$asset['dependencies'],198			function ( $handle ) {199				return wp_style_is( $handle, 'registered' );200			}

Changelog

Unchanged from 7.0.4 through 7.1.0.

1. 7.0.4
2. 7.1.0

Signature, return type and hooks compared across 2 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/build/pages/font-library/page-wp-admin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

Something wrong on this page? Report it and it gets fixed in the next regeneration.