<?php defined( 'ABSPATH' ) || die; /** * Select walker select fields. */ class RWMB_Walker_Select extends RWMB_Walker_Base { /** * Start the element output. * * @see Walker::start_el() * * @param string $output Passed by reference. Used to append additional content. * @param object $object The data object. * @param int $depth Depth of the item. * @param array $args An array of additional arguments. * @param int $current_object_id ID of the current item. */ public function start_el( &$output, $object, $depth = 0, $args = [], $current_object_id = 0 ) { $indent = str_repeat( '&nbsp;', $depth * 4 ); $output .= sprintf( '<option value="%s" %s>%s%s</option>', esc_attr( $object->value ), selected( in_array( $object->value, $this->meta ), true, false ), $indent, esc_html( $object->label ) ); } }