vendor/zendframework/zendframework/library/Zend/Stdlib/Parameters.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Stdlib;
  11
  12 use ArrayObject as PhpArrayObject;
  13
  14 class Parameters extends PhpArrayObject implements ParametersInterface
  15 {
  16     /**
  17      * Constructor
  18      *
  19      * Enforces that we have an array, and enforces parameter access to array
  20      * elements.
  21      *
  22      * @param  array $values
  23      */
  24     public function __construct(array $values = null)
  25     {
  26         if (null === $values) {
  27             $values = array();
  28         }
  29         parent::__construct($values, ArrayObject::ARRAY_AS_PROPS);
  30     }
  31
  32     /**
  33      * Populate from native PHP array
  34      *
  35      * @param  array $values
  36      * @return void
  37      */
  38     public function fromArray(array $values)
  39     {
  40         $this->exchangeArray($values);
  41     }
  42
  43     /**
  44      * Populate from query string
  45      *
  46      * @param  string $string
  47      * @return void
  48      */
  49     public function fromString($string)
  50     {
  51         $array = array();
  52         parse_str($string, $array);
  53         $this->fromArray($array);
  54     }
  55
  56     /**
  57      * Serialize to native PHP array
  58      *
  59      * @return array
  60      */
  61     public function toArray()
  62     {
  63         return $this->getArrayCopy();
  64     }
  65
  66     /**
  67      * Serialize to query string
  68      *
  69      * @return string
  70      */
  71     public function toString()
  72     {
  73         return http_build_query($this);
  74     }
  75
  76     /**
  77      * Retrieve by key
  78      *
  79      * Returns null if the key does not exist.
  80      *
  81      * @param  string $name
  82      * @return mixed
  83      */
  84     public function offsetGet($name)
  85     {
  86         if ($this->offsetExists($name)) {
  87             return parent::offsetGet($name);
  88         }
  89         return;
  90     }
  91
  92     /**
  93      * @param string $name
  94      * @param mixed $default optional default value
  95      * @return mixed
  96      */
  97     public function get($name, $default = null)
  98     {
  99         if ($this->offsetExists($name)) {
 100             return parent::offsetGet($name);
 101         }
 102         return $default;
 103     }
 104
 105     /**
 106      * @param string $name
 107      * @param mixed $value
 108      * @return Parameters
 109      */
 110     public function set($name, $value)
 111     {
 112         $this[$name] = $value;
 113         return $this;
 114     }
 115 }