3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace{ class B { } } namespace NS { class B {} class A { function test(\B $b){} } } namespace{ $x = new \NS\A; $x->test(new \NS\B); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: NS\A::test(): Argument #1 ($b) must be of type B, NS\B given, called in /in/NC47N on line 16 and defined in /in/NC47N:10 Stack trace: #0 /in/NC47N(16): NS\A->test(Object(NS\B)) #1 {main} thrown in /in/NC47N on line 10
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to NS\A::test() must be an instance of B, instance of NS\B given, called in /in/NC47N on line 16 and defined in /in/NC47N:10 Stack trace: #0 /in/NC47N(16): NS\A->test(Object(NS\B)) #1 {main} thrown in /in/NC47N on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to NS\A::test() must be an instance of B, instance of NS\B given, called in /in/NC47N on line 16 and defined in /in/NC47N on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected '{' in /in/NC47N on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/NC47N on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NC47N on line 3
Process exited with code 255.

preferences:
186.22 ms | 401 KiB | 313 Q