3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = &$a[1]); var_dump($b);
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected ')' in /in/je4Ru on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/je4Ru on line 2
Process exited with code 255.
preferences:
190.44 ms | 1395 KiB | 58 Q