3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function sum(int $a, int $b) { return $a + $b; } var_dump(sum(1, 2)); var_dump(sum("1", "5")); ?>
Output for 7.0.0 - 7.2.0
int(3) Fatal error: Uncaught TypeError: Argument 1 passed to sum() must be of the type integer, string given, called in /in/lPvuF on line 9 and defined in /in/lPvuF:4 Stack trace: #0 /in/lPvuF(9): sum('1', '5') #1 {main} thrown in /in/lPvuF on line 4
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/lPvuF on line 2 Catchable fatal error: Argument 1 passed to sum() must be an instance of int, integer given, called in /in/lPvuF on line 8 and defined in /in/lPvuF on line 4
Process exited with code 255.