RequirementCollectionIterator.php
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<?php
/*
* This file is part of PharIo\Manifest.
*
* (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PharIo\Manifest;
class RequirementCollectionIterator implements \Iterator {
/**
* @var Requirement[]
*/
private $requirements = [];
/**
* @var int
*/
private $position;
public function __construct(RequirementCollection $requirements) {
$this->requirements = $requirements->getRequirements();
}
public function rewind() {
$this->position = 0;
}
/**
* @return bool
*/
public function valid() {
return $this->position < count($this->requirements);
}
/**
* @return int
*/
public function key() {
return $this->position;
}
/**
* @return Requirement
*/
public function current() {
return $this->requirements[$this->position];
}
public function next() {
$this->position++;
}
}