100 lines
2.3 KiB
PHP
100 lines
2.3 KiB
PHP
<?php
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/**
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* BackPress script procedural API.
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*
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* @package BackPress
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* @since r16
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*/
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/**
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* Prints script tags in document head.
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*
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* Called by admin-header.php and by wp_head hook. Since it is called by wp_head
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* on every page load, the function does not instantiate the WP_Scripts object
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* unless script names are explicitly passed. Does make use of already
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* instantiated $wp_scripts if present. Use provided wp_print_scripts hook to
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* register/enqueue new scripts.
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*
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* @since r16
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* @see WP_Scripts::print_scripts()
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*/
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function wp_print_scripts( $handles = false ) {
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do_action( 'wp_print_scripts' );
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if ( '' === $handles ) // for wp_head
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$handles = false;
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global $wp_scripts;
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if ( !is_a($wp_scripts, 'WP_Scripts') ) {
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if ( !$handles )
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return array(); // No need to instantiate if nothing's there.
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else
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$wp_scripts = new WP_Scripts();
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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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* Register new JavaScript file.
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*
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* @since r16
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* @see WP_Scripts::add() For parameter information.
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*/
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function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
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global $wp_scripts;
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if ( !is_a($wp_scripts, 'WP_Scripts') )
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$wp_scripts = new WP_Scripts();
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$wp_scripts->add( $handle, $src, $deps, $ver );
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}
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/**
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* Localizes a script.
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*
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* Localizes only if script has already been added.
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*
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* @since r16
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* @see WP_Script::localize()
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*/
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function wp_localize_script( $handle, $object_name, $l10n ) {
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global $wp_scripts;
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if ( !is_a($wp_scripts, 'WP_Scripts') )
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return false;
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return $wp_scripts->localize( $handle, $object_name, $l10n );
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}
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/**
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* Remove a registered script.
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*
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* @since r16
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* @see WP_Scripts::remove() For parameter information.
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*/
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function wp_deregister_script( $handle ) {
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global $wp_scripts;
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if ( !is_a($wp_scripts, 'WP_Scripts') )
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$wp_scripts = new WP_Scripts();
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$wp_scripts->remove( $handle );
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}
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/**
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* Enqueues script.
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*
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* Registers the script if src provided (does NOT overwrite) and enqueues.
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*
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* @since r16
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* @see WP_Script::add(), WP_Script::enqueue()
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*/
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function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
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global $wp_scripts;
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if ( !is_a($wp_scripts, 'WP_Scripts') )
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$wp_scripts = new WP_Scripts();
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if ( $src ) {
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$_handle = explode('?', $handle);
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$wp_scripts->add( $_handle[0], $src, $deps, $ver );
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}
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$wp_scripts->enqueue( $handle );
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}
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