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f4ef187c2c
This is a follow-up to [36604]. When processing dependencies `$this->group` will be the minimum of the script's registered group and all preceding siblings. This is wrong because only a scripts ancestors in the dependency chain should affect where it is loaded. Effectively `$this->group` introduced a form of global state which potentially corrupted the group of dependencies. Sorting covers up this problem. The issue in #35873 was that script were not moving their dependencies to a lower group when necessary. The fix: * In `WP_Dependencies::all_deps()` pass the new `$group` value to `WP_Dependencies::all_deps()`. Previously the wrong value was passed because the parent script could have moved with `WP_Scripts::set_group()`. * In `WP_Scripts::all_deps()` pass the `$group` parameter to `WP_Dependencies::all_deps()` so it doesn't always use `false` for `$group`. Same for `WP_Styles::all_deps()`. Props stephenharris, gitlost. Fixes #35956. Built from https://develop.svn.wordpress.org/trunk@36871 git-svn-id: http://core.svn.wordpress.org/trunk@36838 1a063a9b-81f0-0310-95a4-ce76da25c4cd
599 lines
14 KiB
PHP
599 lines
14 KiB
PHP
<?php
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/**
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* Dependencies API: WP_Scripts class
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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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* Core class used to register scripts.
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*
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* @package WordPress
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* @uses WP_Dependencies
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* @since 2.1.0
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*/
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class WP_Scripts extends WP_Dependencies {
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/**
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* Base URL for scripts.
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*
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* Full URL with trailing slash.
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*
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* @since 2.6.0
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* @access public
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* @var string
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*/
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public $base_url;
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/**
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* URL of the content directory.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $content_url;
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/**
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* Default version string for stylesheets.
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*
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* @since 2.6.0
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* @access public
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* @var string
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*/
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public $default_version;
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/**
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* Holds handles of scripts which are enqueued in footer.
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*
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* @since 2.8.0
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* @access public
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* @var array
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*/
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public $in_footer = array();
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/**
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* Holds a list of script handles which will be concatenated.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $concat = '';
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/**
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* Holds a string which contains script handles and their version.
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*
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* @since 2.8.0
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* @deprecated 3.4.0
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* @access public
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* @var string
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*/
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public $concat_version = '';
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/**
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* Whether to perform concatenation.
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*
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* @since 2.8.0
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* @access public
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* @var bool
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*/
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public $do_concat = false;
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/**
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* Holds HTML markup of scripts and additional data if concatenation
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* is enabled.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $print_html = '';
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/**
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*
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* @since 4.5.0
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* @access public
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* @var string
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*/
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public $print_html_before = '';
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/**
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* Holds inline code if concatenation is enabled.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $print_code = '';
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/**
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* Holds a list of script handles which are not in the default directory
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* if concatenation is enabled.
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*
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* Unused in core.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $ext_handles = '';
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/**
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* Holds a string which contains handles and versions of scripts which
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* are not in the default directory if concatenation is enabled.
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*
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* Unused in core.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $ext_version = '';
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/**
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* List of default directories.
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*
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* @since 2.8.0
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* @access public
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* @var array
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*/
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public $default_dirs;
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/**
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* Constructor.
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*
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* @since 2.6.0
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* @access public
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*/
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public function __construct() {
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$this->init();
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add_action( 'init', array( $this, 'init' ), 0 );
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}
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/**
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* Initialize the class.
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*
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* @since 3.4.0
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* @access public
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*/
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public function init() {
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/**
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* Fires when the WP_Scripts instance is initialized.
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*
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* @since 2.6.0
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*
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* @param WP_Scripts &$this WP_Scripts instance, passed by reference.
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*/
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do_action_ref_array( 'wp_default_scripts', array(&$this) );
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}
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/**
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* Prints scripts.
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*
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* Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
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*
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* @since 2.1.0
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* @since 2.8.0 Added the `$group` parameter.
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* @access public
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*
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* @param mixed $handles Optional. Scripts to be printed. (void) prints queue, (string) prints
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* that script, (array of strings) prints those scripts. Default false.
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* @param int $group Optional. If scripts were queued in groups prints this group number.
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* Default false.
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* @return array Scripts that have been printed.
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*/
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public function print_scripts( $handles = false, $group = false ) {
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return $this->do_items( $handles, $group );
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}
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/**
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* Prints extra scripts of a registered script.
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*
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* @since 2.1.0
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* @since 2.8.0 Added the `$echo` parameter.
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* @deprecated 3.3.0
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* @access public
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*
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* @see print_extra_script()
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*
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* @param string $handle The script's registered handle.
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* @param bool $echo Optional. Whether to echo the extra script instead of just returning it.
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* Default true.
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* @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise.
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*/
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public function print_scripts_l10n( $handle, $echo = true ) {
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_deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' );
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return $this->print_extra_script( $handle, $echo );
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}
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/**
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* Prints extra scripts of a registered script.
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*
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* @since 3.3.0
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* @access public
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*
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* @param string $handle The script's registered handle.
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* @param bool $echo Optional. Whether to echo the extra script instead of just returning it.
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* Default true.
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* @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise.
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*/
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public function print_extra_script( $handle, $echo = true ) {
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if ( !$output = $this->get_data( $handle, 'data' ) )
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return;
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if ( !$echo )
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return $output;
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echo "<script type='text/javascript'>\n"; // CDATA and type='text/javascript' is not needed for HTML 5
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echo "/* <![CDATA[ */\n";
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echo "$output\n";
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echo "/* ]]> */\n";
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echo "</script>\n";
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return true;
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}
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/**
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* Processes a script dependency.
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*
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* @since 2.6.0
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* @since 2.8.0 Added the `$group` parameter.
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* @access public
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*
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* @see WP_Dependencies::do_item()
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*
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* @param string $handle The script's registered handle.
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* @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false.
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* @return bool True on success, false on failure.
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*/
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public function do_item( $handle, $group = false ) {
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if ( !parent::do_item($handle) )
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return false;
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if ( 0 === $group && $this->groups[$handle] > 0 ) {
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$this->in_footer[] = $handle;
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return false;
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}
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if ( false === $group && in_array($handle, $this->in_footer, true) )
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$this->in_footer = array_diff( $this->in_footer, (array) $handle );
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$obj = $this->registered[$handle];
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if ( null === $obj->ver ) {
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$ver = '';
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} else {
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$ver = $obj->ver ? $obj->ver : $this->default_version;
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}
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if ( isset($this->args[$handle]) )
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$ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle];
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$src = $obj->src;
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$cond_before = $cond_after = '';
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$conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';
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if ( $conditional ) {
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$cond_before = "<!--[if {$conditional}]>\n";
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$cond_after = "<![endif]-->\n";
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}
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$before_handle = $this->print_inline_script( $handle, 'before', false );
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$after_handle = $this->print_inline_script( $handle, 'after', false );
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if ( $before_handle ) {
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$before_handle = sprintf( "<script type='text/javascript'>\n%s\n</script>\n", $before_handle );
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}
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if ( $after_handle ) {
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$after_handle = sprintf( "<script type='text/javascript'>\n%s\n</script>\n", $after_handle );
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}
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if ( $this->do_concat ) {
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/**
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* Filter the script loader source.
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*
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* @since 2.2.0
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*
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* @param string $src Script loader source path.
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* @param string $handle Script handle.
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*/
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$srce = apply_filters( 'script_loader_src', $src, $handle );
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if ( $before_handle && ! $conditional ) {
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$this->print_html_before .= $before_handle;
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}
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if ( $this->in_default_dir( $srce ) && ! $conditional && ! $after_handle ) {
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$this->print_code .= $this->print_extra_script( $handle, false );
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$this->concat .= "$handle,";
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$this->concat_version .= "$handle$ver";
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return true;
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} else {
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$this->ext_handles .= "$handle,";
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$this->ext_version .= "$handle$ver";
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}
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}
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$has_conditional_data = $conditional && $this->get_data( $handle, 'data' );
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if ( $has_conditional_data ) {
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echo $cond_before;
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}
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$this->print_extra_script( $handle );
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if ( $has_conditional_data ) {
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echo $cond_after;
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}
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// A single item may alias a set of items, by having dependencies, but no source.
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if ( ! $obj->src ) {
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return true;
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}
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if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) {
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$src = $this->base_url . $src;
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}
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if ( ! empty( $ver ) )
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$src = add_query_arg( 'ver', $ver, $src );
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/** This filter is documented in wp-includes/class.wp-scripts.php */
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$src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
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if ( ! $src )
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return true;
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$tag = "{$cond_before}{$before_handle}<script type='text/javascript' src='$src'></script>\n{$after_handle}{$cond_after}";
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/**
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* Filter the HTML script tag of an enqueued script.
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*
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* @since 4.1.0
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*
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* @param string $tag The `<script>` tag for the enqueued script.
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* @param string $handle The script's registered handle.
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* @param string $src The script's source URL.
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*/
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$tag = apply_filters( 'script_loader_tag', $tag, $handle, $src );
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if ( $this->do_concat ) {
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if ( $after_handle ) {
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$this->print_html_before .= $tag;
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} else {
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$this->print_html .= $tag;
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}
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} else {
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echo $tag;
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}
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return true;
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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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* @since 4.5.0
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* @access public
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*
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* @param string $handle Name of the script to add the inline script to. Must be lowercase.
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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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public function add_inline_script( $handle, $data, $position = 'after' ) {
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if ( ! $data ) {
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return false;
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}
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if ( 'after' !== $position ) {
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$position = 'before';
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}
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$script = (array) $this->get_data( $handle, $position );
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$script[] = $data;
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return $this->add_data( $handle, $position, $script );
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}
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/**
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* Prints inline scripts registered for a specific handle.
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*
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* @since 4.5.0
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* @access public
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*
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* @param string $handle Name of the script to add the inline script to. Must be lowercase.
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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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* @param bool $echo Optional. Whether to echo the script instead of just returning it.
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* Default true.
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* @return string|false Script on success, false otherwise.
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*/
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public function print_inline_script( $handle, $position = 'after', $echo = true ) {
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$output = $this->get_data( $handle, $position );
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if ( empty( $output ) ) {
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return false;
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}
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$output = trim( implode( "\n", $output ), "\n" );
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if ( $echo ) {
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printf( "<script type='text/javascript'>\n%s\n</script>\n", $output );
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}
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return $output;
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}
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/**
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* Localizes a script, only if the script has already been added.
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*
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* @since 2.1.0
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* @access public
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*
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* @param string $handle
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* @param string $object_name
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* @param array $l10n
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* @return bool
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*/
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public function localize( $handle, $object_name, $l10n ) {
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if ( $handle === 'jquery' )
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$handle = 'jquery-core';
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if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present
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$after = $l10n['l10n_print_after'];
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unset($l10n['l10n_print_after']);
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}
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foreach ( (array) $l10n as $key => $value ) {
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if ( !is_scalar($value) )
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continue;
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$l10n[$key] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8');
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}
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$script = "var $object_name = " . wp_json_encode( $l10n ) . ';';
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if ( !empty($after) )
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$script .= "\n$after;";
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$data = $this->get_data( $handle, 'data' );
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if ( !empty( $data ) )
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$script = "$data\n$script";
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return $this->add_data( $handle, 'data', $script );
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}
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/**
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* Sets handle group.
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*
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* @since 2.8.0
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* @access public
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*
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* @see WP_Dependencies::set_group()
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*
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* @param string $handle Name of the item. Should be unique.
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* @param bool $recursion Internal flag that calling function was called recursively.
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* @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false.
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* @return bool Not already in the group or a lower group
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*/
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public function set_group( $handle, $recursion, $group = false ) {
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if ( isset( $this->registered[$handle]->args ) && $this->registered[$handle]->args === 1 )
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$grp = 1;
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else
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$grp = (int) $this->get_data( $handle, 'group' );
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if ( false !== $group && $grp > $group )
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$grp = $group;
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return parent::set_group( $handle, $recursion, $grp );
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}
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/**
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* Determines script dependencies.
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*
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* @since 2.1.0
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* @access public
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*
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* @see WP_Dependencies::all_deps()
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*
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* @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings).
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* @param bool $recursion Internal flag that function is calling itself.
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* @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false.
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* @return bool True on success, false on failure.
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*/
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public function all_deps( $handles, $recursion = false, $group = false ) {
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$r = parent::all_deps( $handles, $recursion, $group );
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if ( ! $recursion ) {
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/**
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* Filter the list of script dependencies left to print.
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*
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* @since 2.3.0
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*
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* @param array $to_do An array of script dependencies.
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*/
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$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
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}
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return $r;
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}
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/**
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* Processes items and dependencies for the head group.
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*
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* @since 2.8.0
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* @access public
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*
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* @see WP_Dependencies::do_items()
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*
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* @return array Handles of items that have been processed.
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*/
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public function do_head_items() {
|
|
$this->do_items(false, 0);
|
|
return $this->done;
|
|
}
|
|
|
|
/**
|
|
* Processes items and dependencies for the footer group.
|
|
*
|
|
* @since 2.8.0
|
|
* @access public
|
|
*
|
|
* @see WP_Dependencies::do_items()
|
|
*
|
|
* @return array Handles of items that have been processed.
|
|
*/
|
|
public function do_footer_items() {
|
|
$this->do_items(false, 1);
|
|
return $this->done;
|
|
}
|
|
|
|
/**
|
|
* Whether a handle's source is in a default directory.
|
|
*
|
|
* @since 2.8.0
|
|
* @access public
|
|
*
|
|
* @param string $src The source of the enqueued script.
|
|
* @return bool True if found, false if not.
|
|
*/
|
|
public function in_default_dir( $src ) {
|
|
if ( ! $this->default_dirs ) {
|
|
return true;
|
|
}
|
|
|
|
if ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) {
|
|
return false;
|
|
}
|
|
|
|
foreach ( (array) $this->default_dirs as $test ) {
|
|
if ( 0 === strpos( $src, $test ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Resets class properties.
|
|
*
|
|
* @since 2.8.0
|
|
* @access public
|
|
*/
|
|
public function reset() {
|
|
$this->do_concat = false;
|
|
$this->print_code = '';
|
|
$this->concat = '';
|
|
$this->concat_version = '';
|
|
$this->print_html = '';
|
|
$this->print_html_before = '';
|
|
$this->ext_version = '';
|
|
$this->ext_handles = '';
|
|
}
|
|
}
|