for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
namespace itertools;
class CallbackIterator extends CurrentCachedIterator
{
protected $maxInvocations;
protected $callback;
protected $breakCallback;
protected $invocationCount;
protected $breakCalled;
public function __construct($callback, $maxInvocations = INF)
parent::__construct(new RepeatIterator(true));
$this->callback = $callback;
$this->maxInvocations = $maxInvocations;
$breakCalled = &$this->breakCalled;
$this->breakCallback = function() use (&$breakCalled) {
$breakCalled = true;
};
}
public function rewind()
$this->breakCalled = false;
$this->invocationCount = 0;
parent::rewind();
public function next()
$this->invocationCount += 1;
parent::next();
public function uncachedCurrent()
return call_user_func($this->callback, $this->breakCallback);
public function valid()
return $this->invocationCount < $this->maxInvocations && ! $this->breakCalled;
SuRaMoN /
itertools
