<?php
interface I {
public function example($a, $b, $c);
}
class A implements I {
public function example($a, $b = null, $c = null) { } // compatible with I::example
}
class B extends A {
public function example($a, $b, $c = null) { } // compatible with I::example
}
Fatal error: Declaration of B::example($a, $b, $c = null) must be compatible with A::example($a, $b = null, $c = null) in /in/pblqI on line 10
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Declaration of B::example($a, $b, $c = null) must be compatible with A::example($a, $b = null, $c = null) in /in/pblqI on line 10
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of B::example($a, $b, $c = NULL) must be compatible with A::example($a, $b = NULL, $c = NULL) in /in/pblqI on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of B::example($a, $b, $c = NULL) must be compatible with A::example($a, $b = NULL, $c = NULL) in /in/pblqI on line 9
Process exited with code 255.