3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array({'foo, b'},'bar','baz','blong', 'xc3'); echo json_encode($a), "\n";
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '{', expecting ')' in /in/tGHor on line 2
Process exited with code 255.
preferences:
170.27 ms | 1395 KiB | 62 Q