3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a= array(); $a["p"] = "q"; $c = $a["p"]; echo isset($c); ?>
Output for 7.0.0
Parse error: syntax error, unexpected '<', expecting end of file in /in/I5bQP on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '<' in /in/I5bQP on line 3
Process exited with code 255.

preferences:
166.03 ms | 1395 KiB | 24 Q