3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); function strictInt(int &$i) { $i = new stdClass; } $i = 42; strictInt($i); var_dump($i);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
object(stdClass)#1 (0) { }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/RWI7a on line 3 Catchable fatal error: Argument 1 passed to strictInt() must be an instance of int, integer given, called in /in/RWI7a on line 12 and defined in /in/RWI7a on line 5
Process exited with code 255.

preferences:
278.31 ms | 402 KiB | 375 Q