3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo_exported = var_export(array(2 => TRUE), TRUE); $foo_string = 'Array(2 => TRUE)'; $bar = array(); $baz = 'baz'; eval('$bar[$baz]["exported"] = $foo_exported;'); eval('$bar[$baz]["string"] = $foo_string;'); print_r($bar);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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 - 8.3.6
Array ( [baz] => Array ( [exported] => array ( 2 => true, ) [string] => Array(2 => TRUE) ) )
preferences:
195.78 ms | 409 KiB | 329 Q