3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4]; for($i = 0; i < 1000; i++) echo $a[0];
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '++' (T_INC), expecting ')' in /in/1Hgnv on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/1Hgnv on line 2
Process exited with code 255.
preferences:
181.26 ms | 1395 KiB | 62 Q