3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a'=>1,'b'=2); $array[] = array('a'=>3,'b'=>4); print_r($array);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '=', expecting ')' in /in/utXKS on line 3
Process exited with code 255.
preferences:
180.81 ms | 1395 KiB | 66 Q