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<?php class C { private static $arr = array(); public function get() { return self::$arr; } } $arr = &C::get(); $arr[] = 0; var_dump($arr); var_dump(C::get());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method C::get() cannot be called statically in /in/OD9YZ:8 Stack trace: #0 {main} thrown in /in/OD9YZ on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Non-static method C::get() should not be called statically in /in/OD9YZ on line 8 Notice: Only variables should be assigned by reference in /in/OD9YZ on line 8 array(1) { [0]=> int(0) } Deprecated: Non-static method C::get() should not be called statically in /in/OD9YZ on line 11 array(0) { }
Output for 7.3.32 - 7.3.33
array(1) { [0]=> int(0) } array(0) { }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: Non-static method C::get() should not be called statically in /in/OD9YZ on line 8 Strict Standards: Only variables should be assigned by reference in /in/OD9YZ on line 8 array(1) { [0]=> int(0) } Strict Standards: Non-static method C::get() should not be called statically in /in/OD9YZ on line 11 array(0) { }

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