3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); a[uno] = 1; a[dos] = 2; a[dos] = 3; print_r($a); ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '[' in /in/WsLHU on line 10
Process exited with code 255.
preferences:
177.39 ms | 1399 KiB | 53 Q