wp_enqueue_scripts',
'admin_enqueue_scripts
',
'login_enqueue_scripts
'
),
'3.3.0'
);
}
/**
* Prints scripts in document head that are in the $handles queue.
*
* Called by admin-header.php and {@see 'wp_head'} hook. Since it is called by wp_head on every page load,
* the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
* Makes use of already-instantiated $wp_scripts global if present. Use provided {@see 'wp_print_scripts'}
* hook to register/enqueue new scripts.
*
* @see WP_Scripts::do_items()
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
*
* @since 2.1.0
*
* @param string|bool|array $handles Optional. Scripts to be printed. Default 'false'.
* @return array On success, a processed array of WP_Dependencies items; otherwise, an empty array.
*/
function wp_print_scripts( $handles = false ) {
/**
* Fires before scripts in the $handles queue are printed.
*
* @since 2.1.0
*/
do_action( 'wp_print_scripts' );
if ( '' === $handles ) { // for wp_head
$handles = false;
}
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
global $wp_scripts;
if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
if ( ! $handles ) {
return array(); // No need to instantiate if nothing is there.
}
}
return wp_scripts()->do_items( $handles );
}
/**
* Adds extra code to a registered script.
*
* Code will only be added if the script is already in the queue.
* Accepts a string $data containing the Code. If two or more code blocks
* are added to the same script $handle, they will be printed in the order
* they were added, i.e. the latter added code can redeclare the previous.
*
* @since 4.5.0
*
* @see WP_Scripts::add_inline_script()
*
* @param string $handle Name of the script to add the inline script to.
* @param string $data String containing the javascript to be added.
* @param string $position Optional. Whether to add the inline script before the handle
* or after. Default 'after'.
* @return bool True on success, false on failure.
*/
function wp_add_inline_script( $handle, $data, $position = 'after' ) {
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
if ( false !== stripos( $data, '' ) ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: 1: #is', '$1', $data ) );
}
return wp_scripts()->add_inline_script( $handle, $data, $position );
}
/**
* Register a new script.
*
* Registers a script to be enqueued later using the wp_enqueue_script() function.
*
* @see WP_Dependencies::add()
* @see WP_Dependencies::add_data()
*
* @since 2.1.0
* @since 4.3.0 A return value was added.
*
* @param string $handle Name of the script. Should be unique.
* @param string|bool $src Full URL of the script, or path of the script relative to the WordPress root directory.
* If source is set to false, script is an alias of other scripts it depends on.
* @param array $deps Optional. An array of registered script handles this script depends on. Default empty array.
* @param string|bool|null $ver Optional. String specifying script version number, if it has one, which is added to the URL
* as a query string for cache busting purposes. If version is set to false, a version
* number is automatically added equal to current installed WordPress version.
* If set to null, no version is added.
* @param bool $in_footer Optional. Whether to enqueue the script before
instead of in the
.
* Default 'false'.
* @return bool Whether the script has been registered. True on success, false on failure.
*/
function wp_register_script( $handle, $src, $deps = array(), $ver = false, $in_footer = false ) {
$wp_scripts = wp_scripts();
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
$registered = $wp_scripts->add( $handle, $src, $deps, $ver );
if ( $in_footer ) {
$wp_scripts->add_data( $handle, 'group', 1 );
}
return $registered;
}
/**
* Localize a script.
*
* Works only if the script has already been added.
*
* Accepts an associative array $l10n and creates a JavaScript object:
*
* "$object_name" = {
* key: value,
* key: value,
* ...
* }
*
* @see WP_Dependencies::localize()
* @link https://core.trac.wordpress.org/ticket/11520
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
*
* @since 2.2.0
*
* @todo Documentation cleanup
*
* @param string $handle Script handle the data will be attached to.
* @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
* Example: '/[a-zA-Z0-9_]+/'.
* @param array $l10n The data itself. The data can be either a single or multi-dimensional array.
* @return bool True if the script was successfully localized, false otherwise.
*/
function wp_localize_script( $handle, $object_name, $l10n ) {
global $wp_scripts;
if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
return false;
}
return $wp_scripts->localize( $handle, $object_name, $l10n );
}
/**
* Sets translated strings for a script.
*
* Works only if the script has already been added.
*
* @see WP_Scripts::set_translations()
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
*
* @since 5.0.0
* @since 5.1.0 The `$domain` parameter was made optional.
*
* @param string $handle Script handle the textdomain will be attached to.
* @param string $domain Optional. Text domain. Default 'default'.
* @param string $path Optional. The full file path to the directory containing translation files.
* @return bool True if the text domain was successfully localized, false otherwise.
*/
function wp_set_script_translations( $handle, $domain = 'default', $path = null ) {
global $wp_scripts;
if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
return false;
}
return $wp_scripts->set_translations( $handle, $domain, $path );
}
/**
* Remove a registered script.
*
* Note: there are intentional safeguards in place to prevent critical admin scripts,
* such as jQuery core, from being unregistered.
*
* @see WP_Dependencies::remove()
*
* @since 2.1.0
*
* @param string $handle Name of the script to be removed.
*/
function wp_deregister_script( $handle ) {
_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
/**
* Do not allow accidental or negligent de-registering of critical scripts in the admin.
* Show minimal remorse if the correct hook is used.
*/
$current_filter = current_filter();
if ( ( is_admin() && 'admin_enqueue_scripts' !== $current_filter ) ||
( 'wp-login.php' === $GLOBALS['pagenow'] && 'login_enqueue_scripts' !== $current_filter )
) {
$no = array(
'jquery',
'jquery-core',
'jquery-migrate',
'jquery-ui-core',
'jquery-ui-accordion',
'jquery-ui-autocomplete',
'jquery-ui-button',
'jquery-ui-datepicker',
'jquery-ui-dialog',
'jquery-ui-draggable',
'jquery-ui-droppable',
'jquery-ui-menu',
'jquery-ui-mouse',
'jquery-ui-position',
'jquery-ui-progressbar',
'jquery-ui-resizable',
'jquery-ui-selectable',
'jquery-ui-slider',
'jquery-ui-sortable',
'jquery-ui-spinner',
'jquery-ui-tabs',
'jquery-ui-tooltip',
'jquery-ui-widget',
'underscore',
'backbone',
);
if ( in_array( $handle, $no ) ) {
$message = sprintf(
/* translators: 1: script name, 2: wp_enqueue_scripts */
__( 'Do not deregister the %1$s script in the administration area. To target the front-end theme, use the %2$s hook.' ),
"$handle
",
'wp_enqueue_scripts
'
);
_doing_it_wrong( __FUNCTION__, $message, '3.6.0' );
return;
}
}
wp_scripts()->remove( $handle );
}
/**
* Enqueue a script.
*
* Registers the script if $src provided (does NOT overwrite), and enqueues it.
*
* @see WP_Dependencies::add()
* @see WP_Dependencies::add_data()
* @see WP_Dependencies::enqueue()
*
* @since 2.1.0
*
* @param string $handle Name of the script. Should be unique.
* @param string $src Full URL of the script, or path of the script relative to the WordPress root directory.
* Default empty.
* @param array $deps Optional. An array of registered script handles this script depends on. Default empty array.
* @param string|bool|null $ver Optional. String specifying script version number, if it has one, which is added to the URL
* as a query string for cache busting purposes. If version is set to false, a version
* number is automatically added equal to current installed WordPress version.
* If set to null, no version is added.
* @param bool $in_footer Optional. Whether to enqueue the script before instead of in the
. * Default 'false'. */ function wp_enqueue_script( $handle, $src = '', $deps = array(), $ver = false, $in_footer = false ) { $wp_scripts = wp_scripts(); _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ ); if ( $src || $in_footer ) { $_handle = explode( '?', $handle ); if ( $src ) { $wp_scripts->add( $_handle[0], $src, $deps, $ver ); } if ( $in_footer ) { $wp_scripts->add_data( $_handle[0], 'group', 1 ); } } $wp_scripts->enqueue( $handle ); } /** * Remove a previously enqueued script. * * @see WP_Dependencies::dequeue() * * @since 3.1.0 * * @param string $handle Name of the script to be removed. */ function wp_dequeue_script( $handle ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ ); wp_scripts()->dequeue( $handle ); } /** * Determines whether a script has been added to the queue. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.8.0 * @since 3.5.0 'enqueued' added as an alias of the 'queue' list. * * @param string $handle Name of the script. * @param string $list Optional. Status of the script to check. Default 'enqueued'. * Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'. * @return bool Whether the script is queued. */ function wp_script_is( $handle, $list = 'enqueued' ) { _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ ); return (bool) wp_scripts()->query( $handle, $list ); } /** * Add metadata to a script. * * Works only if the script has already been added. * * Possible values for $key and $value: * 'conditional' string Comments for IE 6, lte IE 7, etc. * * @since 4.2.0 * * @see WP_Dependencies::add_data() * * @param string $handle Name of the script. * @param string $key Name of data point for which we're storing a value. * @param mixed $value String containing the data to be added. * @return bool True on success, false on failure. */ function wp_script_add_data( $handle, $key, $value ) { return wp_scripts()->add_data( $handle, $key, $value ); }