3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I { const C = 12; public static function test(array $a); } class A { const A = 14; protected static $var = 17; public static function test(array $a){ return __METHOD__; } } class B extends A { const A = 15; public static function test(array $a, $b){ return __METHOD__; } } var_dump(B::test(array(), ''));
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
Fatal error: Declaration of B::test(array $a, $b) must be compatible with A::test(array $a) in /in/lkvft on line 17
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::test(array $a, $b) should be compatible with A::test(array $a) in /in/lkvft on line 17 string(7) "B::test"
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
Warning: Declaration of B::test(array $a, $b) should be compatible with A::test(array $a) in /in/lkvft on line 20 string(7) "B::test"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Declaration of B::test() should be compatible with A::test(array $a) in /in/lkvft on line 20 string(7) "B::test"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Declaration of B::test() should be compatible with that of A::test() in /in/lkvft on line 20 string(7) "B::test"
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/lkvft on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/lkvft on line 2
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
Parse error: parse error, unexpected T_STRING in /in/lkvft on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lkvft on line 2
Process exited with code 255.

preferences:
310.62 ms | 401 KiB | 459 Q