3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo min(array_keys(10 => 'foo', 20 => 'bar'));
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/pv9hs on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/pv9hs on line 3
Process exited with code 255.
preferences:
189.36 ms | 1395 KiB | 55 Q