WP_Widget_Custom_HTML::_register_one( int $number = -1 )

Source

public function _register_one( $number = -1 ) {
	parent::_register_one( $number );
	if ( $this->registered ) {
		return;
	}
	$this->registered = true;

	/*
	 * Note that the widgets component in the customizer will also do
	 * the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().
	 */
	add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );

	/*
	 * Note that the widgets component in the customizer will also do
	 * the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().
	 */
	add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Custom_HTML', 'render_control_template_scripts' ) );

	// Note this action is used to ensure the help text is added to the end.
	add_action( 'admin_head-widgets.php', array( 'WP_Widget_Custom_HTML', 'add_help_text' ) );
}

View all references View on Trac View on GitHub