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