3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $POST['topdiameter'] = array( 'first value', 'second value' ); $POST['bottomdiameter'] = array( 'first value', 'second value' ); echo $POST['topdiameter']; ?>
Output for 5.4.0 - 7.2.0
Notice: Array to string conversion in /in/ctdcQ on line 5 Array
Output for 4.3.0 - 5.3.29
Array