3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(1 => 'one', 2.5 => 'two', '3' => 'three', '4.5' => 'four', 'five' => 5); var_export(isset($array[2.5])); var_export(isset($array['3'])); var_export(isset($array[4.5]));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
truetruefalse