140 lines
2.7 KiB
PHP
140 lines
2.7 KiB
PHP
<?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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// Exit if accessed directly
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defined( 'ABSPATH' ) || exit;
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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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* 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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* 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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* 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 $value;
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}
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}
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}
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/**
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* Output the data container as a multidimensional array.
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*
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* @return array
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*/
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public function toArray() {
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$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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* ArrayAccess Implementation
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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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* 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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* 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 ] = $data;
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}
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$this->dirty = true;
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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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