3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function f(int $foo) { var_dump($foo); } f(1); f(1.5); f("10"); f("10gaklj");
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(1) Fatal error: Uncaught TypeError: f(): Argument #1 ($foo) must be of type int, float given, called in /in/2StpR on line 9 and defined in /in/2StpR:4 Stack trace: #0 /in/2StpR(9): f(1.5) #1 {main} thrown in /in/2StpR on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(1) Fatal error: Uncaught TypeError: Argument 1 passed to f() must be of the type int, float given, called in /in/2StpR on line 9 and defined in /in/2StpR:4 Stack trace: #0 /in/2StpR(9): f(1.5) #1 {main} thrown in /in/2StpR on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
int(1) Fatal error: Uncaught TypeError: Argument 1 passed to f() must be of the type integer, float given, called in /in/2StpR on line 9 and defined in /in/2StpR:4 Stack trace: #0 /in/2StpR(9): f(1.5) #1 {main} thrown in /in/2StpR on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/2StpR on line 2 Catchable fatal error: Argument 1 passed to f() must be an instance of int, integer given, called in /in/2StpR on line 8 and defined in /in/2StpR on line 4
Process exited with code 255.

preferences:
270.38 ms | 402 KiB | 327 Q