3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); class Foo { function __toString() {return "";} } function myadd(int $a, int $b): Foo { return new Foo; return $a + $b . "hello"; } echo myadd(6, 7);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: Unsupported declare 'strict_types' in /in/eOUZX on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/eOUZX on line 8
Process exited with code 255.
preferences:
212.35 ms | 402 KiB | 292 Q