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<?php trait HasStatic { private static $x; public static function setX($x) { self::$x = $x; } public function useX() { return self::$x; } } HasStatic::setX(123); class UsesStatic { use HasStatic; } var_dump((new UsesStatic())->useX());
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Deprecated: Calling static trait method HasStatic::setX is deprecated, it should only be called on a class using the trait in /in/428lo on line 7 Deprecated: Accessing static trait property HasStatic::$x is deprecated, it should only be accessed on a class using the trait in /in/428lo on line 4 NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(123)

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