3v4l.org

run code in 300+ PHP versions simultaneously
<?php function floor(string $input): int { } assert(floor ('(') === 1);
Output for 7.0.0
Fatal error: Cannot redeclare floor() in /in/C7OCu on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected ':', expecting '{' in /in/C7OCu on line 3
Process exited with code 255.

preferences:
165.25 ms | 1395 KiB | 24 Q