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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 git.master, git.master_jit, rfc.property-hooks
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

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