3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrayIterator = new ArrayIterator(array('key 1' => 'value 1', 'key 2' => array('value 2'))); $regexIterator = new RegexIterator($arrayIterator, '/^key/', RegexIterator::MATCH, RegexIterator::USE_KEY); foreach ($regexIterator as $key => $value) { var_dump($key, $value); }
Output for git.master, git.master_jit, rfc.property-hooks
string(5) "key 1" string(7) "value 1" string(5) "key 2" array(1) { [0]=> string(7) "value 2" }

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
104.54 ms | 405 KiB | 5 Q