class-recursive-arrayaccess.php
5 years ago
class-wp-session.php
5 years ago
wp-session.php
5 years ago
class-recursive-arrayaccess.php
140 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Multidimensional ArrayAccess |
| 4 | * |
| 5 | * Allows ArrayAccess-like functionality with multidimensional arrays. Fully supports |
| 6 | * both sets and unsets. |
| 7 | * |
| 8 | * @package WordPress |
| 9 | * @subpackage Session |
| 10 | * @since 3.6.0 |
| 11 | */ |
| 12 | |
| 13 | // Exit if accessed directly |
| 14 | if ( ! defined( 'ABSPATH' ) ) exit; |
| 15 | |
| 16 | /** |
| 17 | * Recursive array class to allow multidimensional array access. |
| 18 | * |
| 19 | * @package WordPress |
| 20 | * @since 3.6.0 |
| 21 | */ |
| 22 | class Recursive_ArrayAccess implements ArrayAccess { |
| 23 | /** |
| 24 | * Internal data collection. |
| 25 | * |
| 26 | * @var array |
| 27 | */ |
| 28 | protected $container = array(); |
| 29 | |
| 30 | /** |
| 31 | * Flag whether or not the internal collection has been changed. |
| 32 | * |
| 33 | * @var bool |
| 34 | */ |
| 35 | protected $dirty = false; |
| 36 | |
| 37 | /** |
| 38 | * Default object constructor. |
| 39 | * |
| 40 | * @param array $data |
| 41 | */ |
| 42 | protected function __construct( $data = array() ) { |
| 43 | foreach ( $data as $key => $value ) { |
| 44 | $this[ $key ] = $value; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Allow deep copies of objects |
| 50 | */ |
| 51 | public function __clone() { |
| 52 | foreach ( $this->container as $key => $value ) { |
| 53 | if ( $value instanceof self ) { |
| 54 | $this[ $key ] = clone $value; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Output the data container as a multidimensional array. |
| 61 | * |
| 62 | * @return array |
| 63 | */ |
| 64 | public function toArray() { |
| 65 | $data = $this->container; |
| 66 | foreach ( $data as $key => $value ) { |
| 67 | if ( $value instanceof self ) { |
| 68 | $data[ $key ] = $value->toArray(); |
| 69 | } |
| 70 | } |
| 71 | return $data; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * ArrayAccess Implementation |
| 76 | **/ |
| 77 | |
| 78 | /** |
| 79 | * Whether a offset exists |
| 80 | * |
| 81 | * @link http://php.net/manual/en/arrayaccess.offsetexists.php |
| 82 | * |
| 83 | * @param mixed $offset An offset to check for. |
| 84 | * |
| 85 | * @return boolean true on success or false on failure. |
| 86 | */ |
| 87 | public function offsetExists( $offset ) { |
| 88 | return isset( $this->container[ $offset ]) ; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Offset to retrieve |
| 93 | * |
| 94 | * @link http://php.net/manual/en/arrayaccess.offsetget.php |
| 95 | * |
| 96 | * @param mixed $offset The offset to retrieve. |
| 97 | * |
| 98 | * @return mixed Can return all value types. |
| 99 | */ |
| 100 | public function offsetGet( $offset ) { |
| 101 | return isset( $this->container[ $offset ] ) ? $this->container[ $offset ] : null; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Offset to set |
| 106 | * |
| 107 | * @link http://php.net/manual/en/arrayaccess.offsetset.php |
| 108 | * |
| 109 | * @param mixed $offset The offset to assign the value to. |
| 110 | * @param mixed $value The value to set. |
| 111 | * |
| 112 | * @return void |
| 113 | */ |
| 114 | public function offsetSet( $offset, $data ) { |
| 115 | if ( is_array( $data ) ) { |
| 116 | $data = new self( $data ); |
| 117 | } |
| 118 | if ( $offset === null ) { // don't forget this! |
| 119 | $this->container[] = $data; |
| 120 | } else { |
| 121 | $this->container[ $offset ] = $data; |
| 122 | } |
| 123 | |
| 124 | $this->dirty = true; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Offset to unset |
| 129 | * |
| 130 | * @link http://php.net/manual/en/arrayaccess.offsetunset.php |
| 131 | * |
| 132 | * @param mixed $offset The offset to unset. |
| 133 | * |
| 134 | * @return void |
| 135 | */ |
| 136 | public function offsetUnset( $offset ) { |
| 137 | unset( $this->container[ $offset ] ); |
| 138 | } |
| 139 | } |
| 140 |