<?php
/**
 * Override field methods
 *
 * @package     Kirki
 * @subpackage  Controls
 * @copyright   Copyright (c) 2020, David Vongries
 * @license     https://opensource.org/licenses/MIT
 * @since       2.2.7
 */

/**
 * Field overrides.
 */
class Kirki_Field_Multicheck extends Kirki_Field {

	/**
	 * Sets the control type.
	 *
	 * @access protected
	 */
	protected function set_type() {
		$this->type = 'kirki-multicheck';
	}

	/**
	 * Sets the $sanitize_callback
	 *
	 * @access protected
	 */
	protected function set_sanitize_callback() {

		// If a custom sanitize_callback has been defined,
		// then we don't need to proceed any further.
		if ( ! empty( $this->sanitize_callback ) ) {
			return;
		}
		$this->sanitize_callback = array( $this, 'sanitize' );
	}

	/**
	 * The sanitize method that will be used as a falback
	 *
	 * @param string|array $value The control's value.
	 */
	public function sanitize( $value ) {
		$value = ( ! is_array( $value ) ) ? explode( ',', $value ) : $value;
		return ( ! empty( $value ) ) ? array_map( 'sanitize_text_field', $value ) : array();
	}
}
