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run code in 300+ PHP versions simultaneously
<?php class A { public function test($arg = null) {} } class B extends A { public function test() {} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of B::test() must be compatible with A::test($arg = null) in /in/i1Btt on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::test() should be compatible with A::test($arg = NULL) in /in/i1Btt on line 7
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of B::test() should be compatible with A::test($arg = NULL) in /in/i1Btt on line 8
Output for 5.6.0 - 5.6.26
Strict Standards: Declaration of B::test() should be compatible with A::test($arg = NULL) in /in/i1Btt on line 8
preferences:
185.2 ms | 401 KiB | 233 Q