3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $b = array(0 => 1); $a[$b[0]] = array();
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected ' ' (T_STRING) in /in/ZOpBh on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/ZOpBh on line 5
Process exited with code 255.
preferences:
175.14 ms | 1395 KiB | 53 Q