52 lines
1.0 KiB
PHP
52 lines
1.0 KiB
PHP
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<?php
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namespace Bundle\WebServiceBundle\Util;
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class Collection implements \IteratorAggregate, \Countable
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{
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private $elements = array();
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private $keyPropertyGetter;
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public function __construct($keyPropertyGetter)
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{
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$this->keyPropertyGetter = $keyPropertyGetter;
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}
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public function add($element)
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{
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$this->elements[call_user_func(array($element, $this->keyPropertyGetter))] = $element;
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}
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public function addAll($elements)
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{
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foreach ($elements as $element)
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{
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$this->add($element);
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}
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}
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public function has($key)
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{
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return isset($this->elements[$key]);
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}
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public function get($key)
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{
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return $this->has($key) ? $this->elements[$key] : null;
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}
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public function clear()
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{
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$this->elements = array();
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}
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public function count()
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{
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return count($this->elements);
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}
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public function getIterator ()
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{
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return new \ArrayIterator($this->elements);
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}
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}
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