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<?php interface Common { function createCommon(); } interface Specific1 extends Common { function createSpecific1(); } interface Specific2 extends Common { function createSpecific2(); } class A implements Specific1, Common { public function createCommon() { } public function createSpecific1() { } } print_r(class_implements(new A()));
Output for 7.4.0 - 7.4.33, 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
Array ( [Specific1] => Specific1 [Common] => Common )
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 Array ( [Specific1] => Specific1 [Common] => Common )
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
Fatal error: Class A cannot implement previously implemented interface Common in /in/gkji8 on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
Fatal error: Class A cannot implement previously implemented interface Common in /in/gkji8 on line 8
Process exited with code 255.
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