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<?php |
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/** |
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* Multidimensional ArrayAccess |
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* |
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* Allows ArrayAccess-like functionality with multidimensional arrays. Fully supports |
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* both sets and unsets. |
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* |
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* @package WordPress |
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* @subpackage Session |
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* @since 3.6.0 |
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*/ |
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|
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// Exit if accessed directly |
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Recursive array class to allow multidimensional array access. |
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* |
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* @package WordPress |
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* @since 3.6.0 |
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*/ |
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class Recursive_ArrayAccess implements ArrayAccess { |
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/** |
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* Internal data collection. |
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* |
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* @var array |
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*/ |
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protected $container = array(); |
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|
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/** |
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* Flag whether or not the internal collection has been changed. |
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* |
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* @var bool |
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*/ |
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protected $dirty = false; |
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|
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/** |
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* Default object constructor. |
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* |
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* @param array $data |
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*/ |
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protected function __construct( $data = array() ) { |
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foreach ( $data as $key => $value ) { |
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$this[ $key ] = $value; |
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} |
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} |
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|
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/** |
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* Allow deep copies of objects |
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*/ |
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public function __clone() { |
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foreach ( $this->container as $key => $value ) { |
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if ( $value instanceof self ) { |
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$this[ $key ] = clone $value; |
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} |
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} |
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} |
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|
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/** |
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* Output the data container as a multidimensional array. |
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* |
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* @return array |
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*/ |
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public function toArray() { |
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$data = $this->container; |
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foreach ( $data as $key => $value ) { |
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if ( $value instanceof self ) { |
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$data[ $key ] = $value->toArray(); |
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} |
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} |
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return $data; |
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} |
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|
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/** |
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* ArrayAccess Implementation |
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**/ |
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|
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/** |
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* Whether a offset exists |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetexists.php |
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* |
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* @param mixed $offset An offset to check for. |
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* |
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* @return boolean true on success or false on failure. |
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*/ |
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public function offsetExists( $offset ) { |
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return isset( $this->container[ $offset ]) ; |
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} |
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|
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/** |
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* Offset to retrieve |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetget.php |
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* |
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* @param mixed $offset The offset to retrieve. |
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* |
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* @return mixed Can return all value types. |
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*/ |
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public function offsetGet( $offset ) { |
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return isset( $this->container[ $offset ] ) ? $this->container[ $offset ] : null; |
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} |
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|
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/** |
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* Offset to set |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetset.php |
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* |
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* @param mixed $offset The offset to assign the value to. |
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* @param mixed $value The value to set. |
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* |
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* @return void |
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*/ |
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public function offsetSet( $offset, $data ) { |
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if ( is_array( $data ) ) { |
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$data = new self( $data ); |
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} |
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if ( $offset === null ) { // don't forget this! |
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$this->container[] = $data; |
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} else { |
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$this->container[ $offset ] = $data; |
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} |
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|
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$this->dirty = true; |
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} |
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|
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/** |
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* Offset to unset |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetunset.php |
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* |
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* @param mixed $offset The offset to unset. |
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* |
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* @return void |
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*/ |
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public function offsetUnset( $offset ) { |
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unset( $this->container[ $offset ] ); |
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} |
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} |
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|