3v4l.org

run code in 200+ PHP versions simultaneously
<?php function foo(int $bar = null) { } foo(1); foo(null);
Output for 7.0.0 - 7.4.0
Output for 5.2.0 - 5.6.40
Catchable fatal error: Argument 1 passed to foo() must be an instance of int, integer given, called in /in/rEbTm on line 7 and defined in /in/rEbTm on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to foo() must be an object of class int, called in /in/rEbTm on line 7 and defined in /in/rEbTm on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class int in /in/rEbTm on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/rEbTm on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/rEbTm on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/rEbTm on line 3
Process exited with code 255.