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<?php trait SampleTrait { /** * @var string */ private static $sample; final public static function setSample($sample) { self::$sample = $sample; } final public static function getSample() { return self::$sample; } } SampleTrait::setSample('test'); class SampleClass { use SampleTrait; } SampleClass::getSample(); var_dump(SampleTrait::getSample()); $sample = new SampleClass(); var_dump($sample::getSample());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Calling static trait method SampleTrait::setSample is deprecated, it should only be called on a class using the trait in /in/sVLsZ on line 21 Deprecated: Accessing static trait property SampleTrait::$sample is deprecated, it should only be accessed on a class using the trait in /in/sVLsZ on line 12 Deprecated: Calling static trait method SampleTrait::getSample is deprecated, it should only be called on a class using the trait in /in/sVLsZ on line 28 Deprecated: Accessing static trait property SampleTrait::$sample is deprecated, it should only be accessed on a class using the trait in /in/sVLsZ on line 17 string(4) "test" NULL
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 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
string(4) "test" string(4) "test"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/sVLsZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/sVLsZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sVLsZ on line 3
Process exited with code 255.
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