abstracts
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cli
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customizer
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emails
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wc-user-functions.php
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wc-webhook-functions.php
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wc-widget-functions.php
8 years ago
class-wc-meta-data.php
122 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Wraps an array (meta data for now) and tells if there was any changes. |
| 4 | * |
| 5 | * The main idea behind this class is to avoid doing unneeded |
| 6 | * SQL updates if nothing changed. |
| 7 | * |
| 8 | * @version 3.2.0 |
| 9 | * @package WooCommerce |
| 10 | * @category Class |
| 11 | * @author crodas |
| 12 | */ |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit; |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * WC_Meta_Data class. |
| 20 | */ |
| 21 | class WC_Meta_Data implements JsonSerializable { |
| 22 | |
| 23 | /** |
| 24 | * Current data for metadata |
| 25 | * |
| 26 | * @since 3.2.0 |
| 27 | * @var array |
| 28 | */ |
| 29 | protected $current_data; |
| 30 | |
| 31 | /** |
| 32 | * Metadata data |
| 33 | * |
| 34 | * @since 3.2.0 |
| 35 | * @var array |
| 36 | */ |
| 37 | protected $data; |
| 38 | |
| 39 | /** |
| 40 | * Constructor. |
| 41 | * |
| 42 | * @param array $meta Data to wrap behind this function. |
| 43 | */ |
| 44 | public function __construct( $meta = array() ) { |
| 45 | $this->current_data = $meta; |
| 46 | $this->apply_changes(); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * When converted to JSON. |
| 51 | * |
| 52 | * @return object |
| 53 | */ |
| 54 | public function jsonSerialize() { |
| 55 | return $this->get_data(); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Merge changes with data and clear. |
| 60 | */ |
| 61 | public function apply_changes() { |
| 62 | $this->data = $this->current_data; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Creates or updates a property in the metadata object. |
| 67 | * |
| 68 | * @param string $key Key to set. |
| 69 | * @param mixed $value Value to set. |
| 70 | */ |
| 71 | public function __set( $key, $value ) { |
| 72 | $this->current_data[ $key ] = $value; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Checks if a given key exists in our data. This is called internally |
| 77 | * by `empty` and `isset`. |
| 78 | * |
| 79 | * @param string $key Key to check if set. |
| 80 | */ |
| 81 | public function __isset( $key ) { |
| 82 | return array_key_exists( $key, $this->current_data ); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Returns the value of any property. |
| 87 | * |
| 88 | * @param string $key Key to get. |
| 89 | * @return mixed Property value or NULL if it does not exists |
| 90 | */ |
| 91 | public function __get( $key ) { |
| 92 | if ( array_key_exists( $key, $this->current_data ) ) { |
| 93 | return $this->current_data[ $key ]; |
| 94 | } |
| 95 | return null; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Return data changes only. |
| 100 | * |
| 101 | * @return array |
| 102 | */ |
| 103 | public function get_changes() { |
| 104 | $changes = array(); |
| 105 | foreach ( $this->current_data as $id => $value ) { |
| 106 | if ( ! array_key_exists( $id, $this->data ) || $value !== $this->data[ $id ] ) { |
| 107 | $changes[ $id ] = $value; |
| 108 | } |
| 109 | } |
| 110 | return $changes; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Return all data as an array. |
| 115 | * |
| 116 | * @return array |
| 117 | */ |
| 118 | public function get_data() { |
| 119 | return $this->data; |
| 120 | } |
| 121 | } |
| 122 |