442 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			442 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Dependencies API: Scripts functions
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|  *
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|  * @since 2.6.0
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|  *
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|  * @package WordPress
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|  * @subpackage Dependencies
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|  */
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| 
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| /**
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|  * Initializes $wp_scripts if it has not been set.
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|  *
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|  * @global WP_Scripts $wp_scripts
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|  *
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|  * @since 4.2.0
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|  *
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|  * @return WP_Scripts WP_Scripts instance.
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|  */
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| function wp_scripts() {
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| 	global $wp_scripts;
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| 
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| 	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
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| 		$wp_scripts = new WP_Scripts();
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| 	}
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| 
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| 	return $wp_scripts;
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| }
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| 
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| /**
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|  * Helper function to output a _doing_it_wrong message when applicable.
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|  *
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|  * @ignore
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|  * @since 4.2.0
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|  * @since 5.5.0 Added the `$handle` parameter.
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|  *
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|  * @param string $function_name Function name.
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|  * @param string $handle        Optional. Name of the script or stylesheet that was
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|  *                              registered or enqueued too early. Default empty.
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|  */
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| function _wp_scripts_maybe_doing_it_wrong( $function_name, $handle = '' ) {
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| 	if ( did_action( 'init' ) || did_action( 'wp_enqueue_scripts' )
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| 		|| did_action( 'admin_enqueue_scripts' ) || did_action( 'login_enqueue_scripts' )
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| 	) {
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| 		return;
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| 	}
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| 
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| 	$message = sprintf(
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| 		/* translators: 1: wp_enqueue_scripts, 2: admin_enqueue_scripts, 3: login_enqueue_scripts */
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| 		__( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
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| 		'<code>wp_enqueue_scripts</code>',
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| 		'<code>admin_enqueue_scripts</code>',
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| 		'<code>login_enqueue_scripts</code>'
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| 	);
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| 
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| 	if ( $handle ) {
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| 		$message .= ' ' . sprintf(
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| 			/* translators: %s: Name of the script or stylesheet. */
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| 			__( 'This notice was triggered by the %s handle.' ),
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| 			'<code>' . $handle . '</code>'
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| 		);
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| 	}
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| 
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| 	_doing_it_wrong(
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| 		$function_name,
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| 		$message,
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| 		'3.3.0'
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| 	);
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| }
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| 
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| /**
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|  * Prints scripts in document head that are in the $handles queue.
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|  *
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|  * Called by admin-header.php and {@see 'wp_head'} hook. Since it is called by wp_head on every page load,
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|  * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
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|  * Makes use of already-instantiated `$wp_scripts` global if present. Use provided {@see 'wp_print_scripts'}
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|  * hook to register/enqueue new scripts.
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|  *
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|  * @see WP_Scripts::do_item()
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|  * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
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|  *
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|  * @since 2.1.0
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|  *
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|  * @param string|string[]|false $handles Optional. Scripts to be printed. Default 'false'.
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|  * @return string[] On success, an array of handles of processed WP_Dependencies items; otherwise, an empty array.
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|  */
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| function wp_print_scripts( $handles = false ) {
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| 	global $wp_scripts;
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| 
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| 	/**
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| 	 * Fires before scripts in the $handles queue are printed.
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| 	 *
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| 	 * @since 2.1.0
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| 	 */
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| 	do_action( 'wp_print_scripts' );
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| 
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| 	if ( '' === $handles ) { // For 'wp_head'.
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| 		$handles = false;
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| 	}
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| 
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
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| 
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| 	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
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| 		if ( ! $handles ) {
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| 			return array(); // No need to instantiate if nothing is there.
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| 		}
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| 	}
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| 
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| 	return wp_scripts()->do_items( $handles );
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| }
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| 
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| /**
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|  * Adds extra code to a registered script.
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|  *
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|  * Code will only be added if the script is already in the queue.
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|  * Accepts a string `$data` containing the code. If two or more code blocks
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|  * are added to the same script `$handle`, they will be printed in the order
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|  * they were added, i.e. the latter added code can redeclare the previous.
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|  *
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|  * @since 4.5.0
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|  *
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|  * @see WP_Scripts::add_inline_script()
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|  *
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|  * @param string $handle   Name of the script to add the inline script to.
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|  * @param string $data     String containing the JavaScript to be added.
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|  * @param string $position Optional. Whether to add the inline script before the handle
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|  *                         or after. Default 'after'.
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|  * @return bool True on success, false on failure.
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|  */
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| function wp_add_inline_script( $handle, $data, $position = 'after' ) {
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	if ( false !== stripos( $data, '</script>' ) ) {
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| 		_doing_it_wrong(
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| 			__FUNCTION__,
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| 			sprintf(
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| 				/* translators: 1: <script>, 2: wp_add_inline_script() */
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| 				__( 'Do not pass %1$s tags to %2$s.' ),
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| 				'<code><script></code>',
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| 				'<code>wp_add_inline_script()</code>'
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| 			),
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| 			'4.5.0'
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| 		);
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| 		$data = trim( preg_replace( '#<script[^>]*>(.*)</script>#is', '$1', $data ) );
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| 	}
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| 
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| 	return wp_scripts()->add_inline_script( $handle, $data, $position );
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| }
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| 
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| /**
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|  * Registers a new script.
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|  *
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|  * Registers a script to be enqueued later using the wp_enqueue_script() function.
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|  *
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|  * @see WP_Dependencies::add()
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|  * @see WP_Dependencies::add_data()
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|  *
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|  * @since 2.1.0
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|  * @since 4.3.0 A return value was added.
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|  * @since 6.3.0 The $in_footer parameter of type boolean was overloaded to be an $args parameter of type array.
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|  *
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|  * @param string           $handle    Name of the script. Should be unique.
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|  * @param string|false     $src       Full URL of the script, or path of the script relative to the WordPress root directory.
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|  *                                    If source is set to false, script is an alias of other scripts it depends on.
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|  * @param string[]         $deps      Optional. An array of registered script handles this script depends on. Default empty array.
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|  * @param string|bool|null $ver       Optional. String specifying script version number, if it has one, which is added to the URL
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|  *                                    as a query string for cache busting purposes. If version is set to false, a version
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|  *                                    number is automatically added equal to current installed WordPress version.
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|  *                                    If set to null, no version is added.
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|  * @param array|bool       $args     {
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|  *     Optional. An array of additional script loading strategies. Default empty array.
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|  *     Otherwise, it may be a boolean in which case it determines whether the script is printed in the footer. Default false.
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|  *
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|  *     @type string    $strategy     Optional. If provided, may be either 'defer' or 'async'.
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|  *     @type bool      $in_footer    Optional. Whether to print the script in the footer. Default 'false'.
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|  * }
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|  * @return bool Whether the script has been registered. True on success, false on failure.
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|  */
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| function wp_register_script( $handle, $src, $deps = array(), $ver = false, $args = array() ) {
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| 	if ( ! is_array( $args ) ) {
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| 		$args = array(
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| 			'in_footer' => (bool) $args,
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| 		);
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| 	}
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	$wp_scripts = wp_scripts();
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| 
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| 	$registered = $wp_scripts->add( $handle, $src, $deps, $ver );
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| 	if ( ! empty( $args['in_footer'] ) ) {
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| 		$wp_scripts->add_data( $handle, 'group', 1 );
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| 	}
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| 	if ( ! empty( $args['strategy'] ) ) {
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| 		$wp_scripts->add_data( $handle, 'strategy', $args['strategy'] );
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| 	}
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| 	return $registered;
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| }
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| 
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| /**
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|  * Localizes a script.
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|  *
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|  * Works only if the script has already been registered.
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|  *
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|  * Accepts an associative array `$l10n` and creates a JavaScript object:
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|  *
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|  *     "$object_name": {
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|  *         key: value,
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|  *         key: value,
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|  *         ...
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|  *     }
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|  *
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|  * @see WP_Scripts::localize()
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|  * @link https://core.trac.wordpress.org/ticket/11520
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|  *
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|  * @since 2.2.0
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|  *
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|  * @todo Documentation cleanup
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|  *
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|  * @param string $handle      Script handle the data will be attached to.
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|  * @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
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|  *                            Example: '/[a-zA-Z0-9_]+/'.
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|  * @param array  $l10n        The data itself. The data can be either a single or multi-dimensional array.
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|  * @return bool True if the script was successfully localized, false otherwise.
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|  */
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| function wp_localize_script( $handle, $object_name, $l10n ) {
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| 	$wp_scripts = wp_scripts();
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| 
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| 	return $wp_scripts->localize( $handle, $object_name, $l10n );
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| }
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| 
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| /**
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|  * Sets translated strings for a script.
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|  *
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|  * Works only if the script has already been registered.
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|  *
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|  * @see WP_Scripts::set_translations()
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|  * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
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|  *
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|  * @since 5.0.0
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|  * @since 5.1.0 The `$domain` parameter was made optional.
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|  *
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|  * @param string $handle Script handle the textdomain will be attached to.
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|  * @param string $domain Optional. Text domain. Default 'default'.
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|  * @param string $path   Optional. The full file path to the directory containing translation files.
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|  * @return bool True if the text domain was successfully localized, false otherwise.
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|  */
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| function wp_set_script_translations( $handle, $domain = 'default', $path = '' ) {
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| 	global $wp_scripts;
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| 
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| 	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
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| 		_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 		return false;
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| 	}
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| 
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| 	return $wp_scripts->set_translations( $handle, $domain, $path );
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| }
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| 
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| /**
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|  * Removes a registered script.
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|  *
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|  * Note: there are intentional safeguards in place to prevent critical admin scripts,
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|  * such as jQuery core, from being unregistered.
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|  *
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|  * @see WP_Dependencies::remove()
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|  *
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|  * @since 2.1.0
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|  *
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|  * @global string $pagenow The filename of the current screen.
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|  *
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|  * @param string $handle Name of the script to be removed.
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|  */
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| function wp_deregister_script( $handle ) {
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| 	global $pagenow;
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| 
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	/**
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| 	 * Do not allow accidental or negligent de-registering of critical scripts in the admin.
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| 	 * Show minimal remorse if the correct hook is used.
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| 	 */
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| 	$current_filter = current_filter();
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| 	if ( ( is_admin() && 'admin_enqueue_scripts' !== $current_filter ) ||
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| 		( 'wp-login.php' === $pagenow && 'login_enqueue_scripts' !== $current_filter )
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| 	) {
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| 		$not_allowed = array(
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| 			'jquery',
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| 			'jquery-core',
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| 			'jquery-migrate',
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| 			'jquery-ui-core',
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| 			'jquery-ui-accordion',
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| 			'jquery-ui-autocomplete',
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| 			'jquery-ui-button',
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| 			'jquery-ui-datepicker',
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| 			'jquery-ui-dialog',
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| 			'jquery-ui-draggable',
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| 			'jquery-ui-droppable',
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| 			'jquery-ui-menu',
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| 			'jquery-ui-mouse',
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| 			'jquery-ui-position',
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| 			'jquery-ui-progressbar',
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| 			'jquery-ui-resizable',
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| 			'jquery-ui-selectable',
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| 			'jquery-ui-slider',
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| 			'jquery-ui-sortable',
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| 			'jquery-ui-spinner',
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| 			'jquery-ui-tabs',
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| 			'jquery-ui-tooltip',
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| 			'jquery-ui-widget',
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| 			'underscore',
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| 			'backbone',
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| 		);
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| 
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| 		if ( in_array( $handle, $not_allowed, true ) ) {
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| 			_doing_it_wrong(
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| 				__FUNCTION__,
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| 				sprintf(
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| 					/* translators: 1: Script name, 2: wp_enqueue_scripts */
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| 					__( 'Do not deregister the %1$s script in the administration area. To target the front-end theme, use the %2$s hook.' ),
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| 					"<code>$handle</code>",
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| 					'<code>wp_enqueue_scripts</code>'
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| 				),
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| 				'3.6.0'
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| 			);
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| 			return;
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| 		}
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| 	}
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| 
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| 	wp_scripts()->remove( $handle );
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| }
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| 
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| /**
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|  * Enqueues a script.
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|  *
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|  * Registers the script if `$src` provided (does NOT overwrite), and enqueues it.
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|  *
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|  * @see WP_Dependencies::add()
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|  * @see WP_Dependencies::add_data()
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|  * @see WP_Dependencies::enqueue()
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|  *
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|  * @since 2.1.0
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|  * @since 6.3.0 The $in_footer parameter of type boolean was overloaded to be an $args parameter of type array.
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|  *
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|  * @param string           $handle    Name of the script. Should be unique.
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|  * @param string           $src       Full URL of the script, or path of the script relative to the WordPress root directory.
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|  *                                    Default empty.
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|  * @param string[]         $deps      Optional. An array of registered script handles this script depends on. Default empty array.
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|  * @param string|bool|null $ver       Optional. String specifying script version number, if it has one, which is added to the URL
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|  *                                    as a query string for cache busting purposes. If version is set to false, a version
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|  *                                    number is automatically added equal to current installed WordPress version.
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|  *                                    If set to null, no version is added.
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|  * @param array|bool       $args     {
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|  *     Optional. An array of additional script loading strategies. Default empty array.
 | |
|  *     Otherwise, it may be a boolean in which case it determines whether the script is printed in the footer. Default false.
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|  *
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|  *     @type string    $strategy     Optional. If provided, may be either 'defer' or 'async'.
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|  *     @type bool      $in_footer    Optional. Whether to print the script in the footer. Default 'false'.
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|  * }
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|  */
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| function wp_enqueue_script( $handle, $src = '', $deps = array(), $ver = false, $args = array() ) {
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	$wp_scripts = wp_scripts();
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| 
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| 	if ( $src || ! empty( $args ) ) {
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| 		$_handle = explode( '?', $handle );
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| 		if ( ! is_array( $args ) ) {
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| 			$args = array(
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| 				'in_footer' => (bool) $args,
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| 			);
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| 		}
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| 
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| 		if ( $src ) {
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| 			$wp_scripts->add( $_handle[0], $src, $deps, $ver );
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| 		}
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| 		if ( ! empty( $args['in_footer'] ) ) {
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| 			$wp_scripts->add_data( $_handle[0], 'group', 1 );
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| 		}
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| 		if ( ! empty( $args['strategy'] ) ) {
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| 			$wp_scripts->add_data( $_handle[0], 'strategy', $args['strategy'] );
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| 		}
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| 	}
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| 
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| 	$wp_scripts->enqueue( $handle );
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| }
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| 
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| /**
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|  * Removes a previously enqueued script.
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|  *
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|  * @see WP_Dependencies::dequeue()
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|  *
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|  * @since 3.1.0
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|  *
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|  * @param string $handle Name of the script to be removed.
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|  */
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| function wp_dequeue_script( $handle ) {
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	wp_scripts()->dequeue( $handle );
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| }
 | |
| 
 | |
| /**
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|  * Determines whether a script has been added to the queue.
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|  *
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|  * For more information on this and similar theme functions, check out
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|  * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
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|  * Conditional Tags} article in the Theme Developer Handbook.
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|  *
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|  * @since 2.8.0
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|  * @since 3.5.0 'enqueued' added as an alias of the 'queue' list.
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|  *
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|  * @param string $handle Name of the script.
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|  * @param string $status Optional. Status of the script to check. Default 'enqueued'.
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|  *                       Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'.
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|  * @return bool Whether the script is queued.
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|  */
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| function wp_script_is( $handle, $status = 'enqueued' ) {
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| 	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );
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| 
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| 	return (bool) wp_scripts()->query( $handle, $status );
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| }
 | |
| 
 | |
| /**
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|  * Adds metadata to a script.
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|  *
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|  * Works only if the script has already been registered.
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|  *
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|  * Possible values for $key and $value:
 | |
|  * 'conditional' string Comments for IE 6, lte IE 7, etc.
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|  *
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|  * @since 4.2.0
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|  *
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|  * @see WP_Dependencies::add_data()
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|  *
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|  * @param string $handle Name of the script.
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|  * @param string $key    Name of data point for which we're storing a value.
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|  * @param mixed  $value  String containing the data to be added.
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|  * @return bool True on success, false on failure.
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|  */
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| function wp_script_add_data( $handle, $key, $value ) {
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| 	return wp_scripts()->add_data( $handle, $key, $value );
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| }
 |