732 lines
19 KiB
PHP
Executable File
732 lines
19 KiB
PHP
Executable File
<?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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* @since 2.1.0
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*
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* @see WP_Dependencies
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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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* @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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* @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 scripts.
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*
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* @since 2.6.0
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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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* @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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* @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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* @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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* @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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* @var string
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*/
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public $print_html = '';
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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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* @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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* @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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* @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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* @var array
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*/
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public $default_dirs;
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/**
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* Holds a string which contains the type attribute for script tag.
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*
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* If the active theme does not declare HTML5 support for 'script',
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* then it initializes as `type='text/javascript'`.
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*
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* @since 5.3.0
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* @var string
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*/
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private $type_attr = '';
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/**
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* Constructor.
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*
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* @since 2.6.0
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*/
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public function __construct() {
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$this->init();
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add_action( 'init', array( $this, 'init' ), 0 );
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}
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/**
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* Initialize the class.
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*
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* @since 3.4.0
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*/
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public function init() {
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if (
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function_exists( 'is_admin' ) && ! is_admin()
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&&
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function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'script' )
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) {
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$this->type_attr = " type='text/javascript'";
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}
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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 $wp_scripts WP_Scripts instance (passed by reference).
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*/
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do_action_ref_array( 'wp_default_scripts', array( &$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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*
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* @param string|string[]|false $handles Optional. Scripts to be printed: queue (false),
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* single script (string), or multiple scripts (array of strings).
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* Default false.
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* @param int|false $group Optional. Group level: level (int), no groups (false).
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* Default false.
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* @return string[] Handles of 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, $group );
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}
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/**
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* Prints extra scripts of a registered script.
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*
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* @since 2.1.0
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* @since 2.8.0 Added the `$display` parameter.
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* @deprecated 3.3.0
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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 $display Optional. Whether to print the extra script
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* instead of just returning it. Default true.
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* @return bool|string|void Void if no data exists, extra scripts if `$display` is true,
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* true otherwise.
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*/
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public function print_scripts_l10n( $handle, $display = true ) {
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_deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' );
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return $this->print_extra_script( $handle, $display );
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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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*
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* @param string $handle The script's registered handle.
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* @param bool $display Optional. Whether to print the extra script
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* instead of just returning it. Default true.
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* @return bool|string|void Void if no data exists, extra scripts if `$display` is true,
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* true otherwise.
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*/
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public function print_extra_script( $handle, $display = true ) {
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$output = $this->get_data( $handle, 'data' );
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if ( ! $output ) {
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return;
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}
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if ( ! $display ) {
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return $output;
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}
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printf( "<script%s id='%s-js-extra'>\n", $this->type_attr, esc_attr( $handle ) );
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// CDATA is not needed for HTML 5.
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if ( $this->type_attr ) {
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echo "/* <![CDATA[ */\n";
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}
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echo "$output\n";
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if ( $this->type_attr ) {
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echo "/* ]]> */\n";
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}
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echo "</script>\n";
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return true;
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}
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/**
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* Processes a script dependency.
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*
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* @since 2.6.0
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* @since 2.8.0 Added the `$group` parameter.
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*
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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: level (int), no groups (false).
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* 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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}
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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) $handle );
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}
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$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[ $handle ];
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}
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$src = $obj->src;
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$cond_before = '';
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$cond_after = '';
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$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%s id='%s-js-before'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $before_handle );
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}
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if ( $after_handle ) {
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$after_handle = sprintf( "<script%s id='%s-js-after'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $after_handle );
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}
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if ( $before_handle || $after_handle ) {
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$inline_script_tag = $cond_before . $before_handle . $after_handle . $cond_after;
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} else {
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$inline_script_tag = '';
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}
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/*
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* Prevent concatenation of scripts if the text domain is defined
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* to ensure the dependency order is respected.
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*/
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$translations_stop_concat = ! empty( $obj->textdomain );
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$translations = $this->print_translations( $handle, false );
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if ( $translations ) {
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$translations = sprintf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $translations );
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}
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if ( $this->do_concat ) {
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/**
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* Filters 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 ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle || $translations_stop_concat ) ) {
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$this->do_concat = false;
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// Have to print the so-far concatenated scripts right away to maintain the right order.
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_print_scripts();
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$this->reset();
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} elseif ( $this->in_default_dir( $srce ) && ! $conditional ) {
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$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 ( ! $src ) {
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if ( $inline_script_tag ) {
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if ( $this->do_concat ) {
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$this->print_html .= $inline_script_tag;
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} else {
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echo $inline_script_tag;
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}
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}
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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, $src );
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}
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/** This filter is documented in wp-includes/class-wp-scripts.php */
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$src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
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if ( ! $src ) {
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return true;
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}
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$tag = $translations . $cond_before . $before_handle;
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$tag .= sprintf( "<script%s src='%s' id='%s-js'></script>\n", $this->type_attr, $src, esc_attr( $handle ) );
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$tag .= $after_handle . $cond_after;
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/**
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* Filters 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 ( $this->do_concat ) {
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$this->print_html .= $tag;
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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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*
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* @param string $handle Name of the script to add the inline script to.
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* 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
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* before the handle 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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*
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* @param string $handle Name of the script to add the inline script to.
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* Must be lowercase.
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* @param string $position Optional. Whether to add the inline script
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* before the handle or after. Default 'after'.
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* @param bool $display Optional. Whether to print the script
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* instead of just returning it. 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', $display = true ) {
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$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 ( $display ) {
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printf( "<script%s id='%s-js-%s'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), esc_attr( $position ), $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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*
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* @param string $handle Name of the script to attach data to.
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* @param string $object_name Name of the variable that will contain the data.
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* @param array $l10n Array of data to localize.
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* @return bool True on success, false on failure.
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*/
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public function localize( $handle, $object_name, $l10n ) {
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if ( 'jquery' === $handle ) {
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$handle = 'jquery-core';
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}
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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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if ( ! is_array( $l10n ) ) {
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_doing_it_wrong(
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__METHOD__,
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sprintf(
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/* translators: 1: $l10n, 2: wp_add_inline_script() */
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__( 'The %1$s parameter must be an array. To pass arbitrary data to scripts, use the %2$s function instead.' ),
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'<code>$l10n</code>',
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'<code>wp_add_inline_script()</code>'
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),
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'5.7.0'
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);
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if ( false === $l10n ) {
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// This should really not be needed, but is necessary for backward compatibility.
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$l10n = array( $l10n );
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}
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}
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if ( is_string( $l10n ) ) {
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$l10n = html_entity_decode( $l10n, ENT_QUOTES, 'UTF-8' );
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} elseif ( is_array( $l10n ) ) {
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foreach ( $l10n as $key => $value ) {
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if ( ! is_scalar( $value ) ) {
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continue;
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}
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$l10n[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' );
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}
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}
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$script = "var $object_name = " . wp_json_encode( $l10n ) . ';';
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if ( ! empty( $after ) ) {
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$script .= "\n$after;";
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}
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$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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}
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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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*
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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: level (int), no groups (false).
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|
* Default false.
|
|
* @return bool Not already in the group or a lower group.
|
|
*/
|
|
public function set_group( $handle, $recursion, $group = false ) {
|
|
if ( isset( $this->registered[ $handle ]->args ) && 1 === $this->registered[ $handle ]->args ) {
|
|
$grp = 1;
|
|
} else {
|
|
$grp = (int) $this->get_data( $handle, 'group' );
|
|
}
|
|
|
|
if ( false !== $group && $grp > $group ) {
|
|
$grp = $group;
|
|
}
|
|
|
|
return parent::set_group( $handle, $recursion, $grp );
|
|
}
|
|
|
|
/**
|
|
* Sets a translation textdomain.
|
|
*
|
|
* @since 5.0.0
|
|
* @since 5.1.0 The `$domain` parameter was made optional.
|
|
*
|
|
* @param string $handle Name of the script to register a translation domain 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 registered, false if not.
|
|
*/
|
|
public function set_translations( $handle, $domain = 'default', $path = '' ) {
|
|
if ( ! isset( $this->registered[ $handle ] ) ) {
|
|
return false;
|
|
}
|
|
|
|
/** @var \_WP_Dependency $obj */
|
|
$obj = $this->registered[ $handle ];
|
|
|
|
if ( ! in_array( 'wp-i18n', $obj->deps, true ) ) {
|
|
$obj->deps[] = 'wp-i18n';
|
|
}
|
|
|
|
return $obj->set_translations( $domain, $path );
|
|
}
|
|
|
|
/**
|
|
* Prints translations set for a specific handle.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $handle Name of the script to add the inline script to.
|
|
* Must be lowercase.
|
|
* @param bool $display Optional. Whether to print the script
|
|
* instead of just returning it. Default true.
|
|
* @return string|false Script on success, false otherwise.
|
|
*/
|
|
public function print_translations( $handle, $display = true ) {
|
|
if ( ! isset( $this->registered[ $handle ] ) || empty( $this->registered[ $handle ]->textdomain ) ) {
|
|
return false;
|
|
}
|
|
|
|
$domain = $this->registered[ $handle ]->textdomain;
|
|
$path = '';
|
|
|
|
if ( isset( $this->registered[ $handle ]->translations_path ) ) {
|
|
$path = $this->registered[ $handle ]->translations_path;
|
|
}
|
|
|
|
$json_translations = load_script_textdomain( $handle, $domain, $path );
|
|
|
|
if ( ! $json_translations ) {
|
|
return false;
|
|
}
|
|
|
|
$output = <<<JS
|
|
( function( domain, translations ) {
|
|
var localeData = translations.locale_data[ domain ] || translations.locale_data.messages;
|
|
localeData[""].domain = domain;
|
|
wp.i18n.setLocaleData( localeData, domain );
|
|
} )( "{$domain}", {$json_translations} );
|
|
JS;
|
|
|
|
if ( $display ) {
|
|
printf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $output );
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Determines script dependencies.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @see WP_Dependencies::all_deps()
|
|
*
|
|
* @param string|string[] $handles Item handle (string) or item handles (array of strings).
|
|
* @param bool $recursion Optional. Internal flag that function is calling itself.
|
|
* Default false.
|
|
* @param int|false $group Optional. Group level: level (int), no groups (false).
|
|
* Default false.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
public function all_deps( $handles, $recursion = false, $group = false ) {
|
|
$r = parent::all_deps( $handles, $recursion, $group );
|
|
if ( ! $recursion ) {
|
|
/**
|
|
* Filters the list of script dependencies left to print.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string[] $to_do An array of script dependency handles.
|
|
*/
|
|
$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
|
|
}
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* Processes items and dependencies for the head group.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @see WP_Dependencies::do_items()
|
|
*
|
|
* @return string[] Handles of items that have been processed.
|
|
*/
|
|
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
|
|
*
|
|
* @see WP_Dependencies::do_items()
|
|
*
|
|
* @return string[] 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
|
|
*
|
|
* @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
|
|
*/
|
|
public function reset() {
|
|
$this->do_concat = false;
|
|
$this->print_code = '';
|
|
$this->concat = '';
|
|
$this->concat_version = '';
|
|
$this->print_html = '';
|
|
$this->ext_version = '';
|
|
$this->ext_handles = '';
|
|
}
|
|
}
|