3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r [1,2,3,4,[1,2,,4]];
Output for 5.3.0 - 5.3.14, 5.4.0 - 5.4.4
Parse error: syntax error, unexpected '[' in /in/sFAjW on line 1
Process exited with code 255.
preferences:
169.93 ms | 1395 KiB | 27 Q