aristath/kirki

<?php
/**
 * Repeater Customizer Setting.
 *
 * @package   kirki-framework/control-repeater
 * @copyright Copyright (c) 2019, Ari Stathopoulos (@aristath)
 * @license   https://opensource.org/licenses/MIT
 * @since     1.0
 */

namespace Kirki\Settings;

/**
 * Repeater Settings.
 */
class Repeater extends \WP_Customize_Setting {

    /**
     * Constructor.
     *
     * Any supplied $args override class property defaults.
     *
     * @access public
     * @since 1.0
     * @param WP_Customize_Manager $manager The WordPress WP_Customize_Manager object.
     * @param string               $id       A specific ID of the setting. Can be a theme mod or option name.
     * @param array                $args     Setting arguments.
     */
    public function __construct( $manager, $id, $args = [] ) {
        parent::__construct( $manager, $id, $args );

        // Will convert the setting from JSON to array. Must be triggered very soon.
        add_filter( "customize_sanitize_{$this->id}", [ $this, 'sanitize_repeater_setting' ], 10, 1 );
    }

    /**
     * Fetch the value of the setting.
     *
     * @access public
     * @since 1.0
     * @return mixed The value.
     */
    public function value() {
        return (array) parent::value();
    }

    /**
     * Convert the JSON encoded setting coming from Customizer to an Array.
     *
     * @access public
     * @since 1.0
     * @param string $value URL Encoded JSON Value.
     * @return array
     */
    public function sanitize_repeater_setting( $value ) {
        if ( ! is_array( $value ) ) {
            $value = json_decode( urldecode( $value ) );
        }

        if ( empty( $value ) || ! is_array( $value ) ) {
            $value = [];
        }

        // Make sure that every row is an array, not an object.
        foreach ( $value as $key => $val ) {
            $value[ $key ] = (array) $val;
            if ( empty( $val ) ) {
                unset( $value[ $key ] );
            }
        }

        // Reindex array.
        if ( is_array( $value ) ) {
            $value = array_values( $value );
        }

        return $value;
    }
}