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<?php trait MyTrait { public static $foo = 'Zero'; } class MyClassOne { use MyTrait; } class MyClassTwo { use MyTrait; } MyClassOne::$foo = 'One'; MyTrait::$foo = 'Eklage'; MyClassTwo::$foo = 'Two'; // What will happen? Remember: trait is pseudo copy-paste, not real inheritance! echo MyClassOne::$foo; echo MyClassTwo::$foo; echo MyTrait::$foo;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Accessing static trait property MyTrait::$foo is deprecated, it should only be accessed on a class using the trait in /in/rWtS6 on line 15 OneTwo Deprecated: Accessing static trait property MyTrait::$foo is deprecated, it should only be accessed on a class using the trait in /in/rWtS6 on line 21 Eklage
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Accessing static trait property MyTrait::$foo is deprecated, it should only be accessed on a class using the trait in /in/rWtS6 on line 15 OneTwo Deprecated: Accessing static trait property MyTrait::$foo is deprecated, it should only be accessed on a class using the trait in /in/rWtS6 on line 21 Eklage
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
OneTwoEklage
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179.93 ms | 402 KiB | 188 Q