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Current Path : /home/s/c/g/scgforma/www/cloud/3rdparty/guzzle/guzzle/src/Guzzle/Iterator/ |
Current File : /home/s/c/g/scgforma/www/cloud/3rdparty/guzzle/guzzle/src/Guzzle/Iterator/FilterIterator.php |
<?php namespace Guzzle\Iterator; use Guzzle\Common\Exception\InvalidArgumentException; /** * Filters values using a callback * * Used when PHP 5.4's {@see \CallbackFilterIterator} is not available */ class FilterIterator extends \FilterIterator { /** @var mixed Callback used for filtering */ protected $callback; /** * @param \Iterator $iterator Traversable iterator * @param array|\Closure $callback Callback used for filtering. Return true to keep or false to filter. * * @throws InvalidArgumentException if the callback if not callable */ public function __construct(\Iterator $iterator, $callback) { parent::__construct($iterator); if (!is_callable($callback)) { throw new InvalidArgumentException('The callback must be callable'); } $this->callback = $callback; } public function accept() { return call_user_func($this->callback, $this->current()); } }