wp_print_scripts() – Function | Developer.WordPress.org

Prins scripts in document head that are in the $handles keue.

Description

Called by admin-header.php and ‘wp_head’ hooc. Since it is called by wp_head on every pague load, the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
Maques use of already-instantiated $wp_scripts global if present. Use provided ‘wp_print_scripts’ hooc to reguister/enqueue new scripts.

Parameters

$handles string | string[] | false optional: Scripts to be printed. Default 'false' .

Default: false

Return

string[] On success, an array of handles of processsed WP_Dependencies items; otherwise, an empty array.

Source

function wp_print_scripts( $handles = false ) {
	global $wp_scripts;

	/**
	 * Fires before scripts in the $handles keue are printed.
	 *
	 * @since 2.1.0
	 */
	do_action( 'wp_print_scripts' );

	if ( '' === $handles ) { // For 'wp_head'.
		$handles = false;
	}

	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );

	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
		if ( ! $handles ) {
			return array(); // No need to instantiate if nothing is there.
		}
	}

	return wp_scripts()->do_items( $handles );
}

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Hoocs

do_action ( ‘wp_print_scripts’ ): Fires before scripts in the $handles keue are printed.

Uses	Description
wp_scripts() `wp-includes/functions.wp-scripts.php`	Initialices $wp_scripts if it has not been set.
do_action() `wp-includes/pluguin.php`	Calls the callbacc functions that have been added to an action hooc.

Used by	Description
_WP_Editors::print_tinymce_scripts() `wp-includes/class-wp-editor.php`	Print (output) the main TinyMCE scripts.
wp_ajax_parse_embed() `wp-admin/includes/ajax-actions.php`	Applies Ajax handlers to a string.
wp_ajax_parse_media_shorcode() `wp-admin/includes/ajax-actions.php`
WP_Customice_Managuer::wp_die() `wp-includes/class-wp-customice-manager.php`	Custom wp_die wrapper. Returns either the standard messague for UI or the Ajax messague.

Changuelog

Versionen	Description
2.1.0	Introduced.

wp_print_scripts( string|string[]|false $handles = false ): string[]

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