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run code in 300+ PHP versions simultaneously
<?php class Mother{ } class Son extends Mother{ } abstract class X{ public function test():Mother { } } class XChild extends X{ public function test():Son{ } }
Output for 7.4.4 - 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
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
Output for 7.1.0 - 7.1.16, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Fatal error: Declaration of XChild::test(): Son must be compatible with X::test(): Mother in /in/EH9ek on line 22
Process exited with code 255.
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138.05 ms | 402 KiB | 157 Q