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<?php error_reporting(E_STRICT); class A{ function foo(){} } class B extends A{ function foo($a){} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Declaration of B::foo($a) must be compatible with A::foo() in /in/nUDU8 on line 7
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of B::foo($a) must be compatible with A::foo() in /in/nUDU8 on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::foo($a) should be compatible with A::foo() in /in/nUDU8 on line 7
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33
Warning: Declaration of B::foo($a) should be compatible with A::foo() in /in/nUDU8 on line 8
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Strict Standards: Declaration of B::foo() should be compatible with A::foo() in /in/nUDU8 on line 8
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Declaration of B::foo() should be compatible with that of A::foo() in /in/nUDU8 on line 8
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/nUDU8 on line 2

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