3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array( array( 'forename' => 'Foo', 'surname' => 'Bar' ), array( 'forename' => 'Bar', 'surname' => 'Foo' ) ); $arr = array(); foreach($items as &$item){ $arr['name'][] = $item['forename']; $arr['surname'][] = $item['surname']; } echo "<pre>".print_r($arr, true)."</pre>"; ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
<pre>Array ( [name] => Array ( [0] => Foo [1] => Bar ) [surname] => Array ( [0] => Bar [1] => Foo ) ) </pre>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <pre>Array ( [name] => Array ( [0] => Foo [1] => Bar ) [surname] => Array ( [0] => Bar [1] => Foo ) ) </pre>

preferences:
165.61 ms | 402 KiB | 189 Q