JezK

Edit File: class-wc-meta-data.php

<?php /** * Wraps an array (meta data for now) and tells if there was any changes. * * The main idea behind this class is to avoid doing unneeded * SQL updates if nothing changed. * * @version 3.2.0 * @package WooCommerce */ defined( 'ABSPATH' ) || exit; /** * Meta data class. * * @property int|null $id Meta ID. * @property string $key Meta key. * @property mixed $value Meta value. */ class WC_Meta_Data implements JsonSerializable { /** * Current data for metadata * * @since 3.2.0 * @var array */ protected $current_data; /** * Metadata data * * @since 3.2.0 * @var array */ protected $data; /** * Constructor. * * @param array $meta Data to wrap behind this function. */ public function __construct( $meta = array() ) { $this->current_data = $meta; $this->apply_changes(); } /** * When converted to JSON. * * @return object|array */ #[\ReturnTypeWillChange] public function jsonSerialize() { return $this->get_data(); } /** * Merge changes with data and clear. */ public function apply_changes() { $this->data = $this->current_data; } /** * Creates or updates a property in the metadata object. * * @param string $key Key to set. * @param mixed $value Value to set. */ public function __set( $key, $value ) { $this->current_data[ $key ] = $value; } /** * Checks if a given key exists in our data. This is called internally * by `empty` and `isset`. * * @param string $key Key to check if set. * * @return bool */ public function __isset( $key ) { return array_key_exists( $key, $this->current_data ); } /** * Returns the value of any property. * * @param string $key Key to get. * @return mixed Property value or NULL if it does not exists */ public function __get( $key ) { if ( array_key_exists( $key, $this->current_data ) ) { return $this->current_data[ $key ]; } return null; } /** * Return data changes only. * * @return array */ public function get_changes() { $changes = array(); foreach ( $this->current_data as $id => $value ) { if ( ! array_key_exists( $id, $this->data ) || $value !== $this->data[ $id ] ) { $changes[ $id ] = $value; } } return $changes; } /** * Return all data as an array. * * @return array */ public function get_data() { return $this->data; } }