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<?php trait MyTrait { private $abc = 1; public static function increment($by) { $this->abc += $by; } public function getValue() { return $this->abc; } } class MyClass { use MyTrait; public function increment() { MyTrait::increment(1); } } $c = new MyClass; $c->increment(); $c->increment(); var_dump($c->getValue());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Calling static trait method MyTrait::increment is deprecated, it should only be called on a class using the trait in /in/ptmU9 on line 23 Fatal error: Uncaught Error: Using $this when not in object context in /in/ptmU9:8 Stack trace: #0 /in/ptmU9(23): MyTrait::increment(1) #1 /in/ptmU9(28): MyClass->increment() #2 {main} thrown in /in/ptmU9 on line 8
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 Deprecated: Calling static trait method MyTrait::increment is deprecated, it should only be called on a class using the trait in /in/ptmU9 on line 23 Fatal error: Uncaught Error: Using $this when not in object context in /in/ptmU9:8 Stack trace: #0 /in/ptmU9(23): MyTrait::increment(1) #1 /in/ptmU9(28): MyClass->increment() #2 {main} thrown in /in/ptmU9 on line 8
Process exited with code 255.
Output for 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
Fatal error: Uncaught Error: Using $this when not in object context in /in/ptmU9:8 Stack trace: #0 /in/ptmU9(23): MyTrait::increment(1) #1 /in/ptmU9(28): MyClass->increment() #2 {main} thrown in /in/ptmU9 on line 8
Process exited with code 255.
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