3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xyz = array ('a'=>'value1', 'b'=>'', 'c'=>'value3'); var_dump ($xyz); echo '<br />'; // let's see what we have if (isset($xyz['b'])) $foo = $xyz['b']; // no complaints here $foo = $xyz['b']; // this crashes echo 'foo is set to:', $foo, ': end', '<br />';
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["a"]=> string(6) "value1" ["b"]=> string(0) "" ["c"]=> string(6) "value3" } <br />foo is set to:: end<br />

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:
121.52 ms | 405 KiB | 5 Q