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/Jm3BH on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/Jm3BH on line 2
Process exited with code 255.

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199.25 ms | 1386 KiB | 62 Q