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run code in 300+ PHP versions simultaneously
<?php class Base { function method($list=[]) { $list[] = 'Base::method'; return($list); } } trait MyTrait { function method($list=[]) { $list = parent::method($list); $list[] = 'MyTrait::method'; return($list); } } class Child extends Base { use MyTrait { MyTrait::method as foo; } function method($list=[]) { $list = parent::method($list); $list[] = 'Child::method'; return($list); } } $child = new Child(); echo(implode(' <= ', $child->foo())."\n");
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 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
Base::method <= MyTrait::method
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 Base::method <= MyTrait::method

preferences:
158.5 ms | 402 KiB | 181 Q