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<?php abstract class A { protected static $val; public static function get() { return static::$val; } public static function set($val) { static::$val = $val; } } class B extends A { } B::set('b'); var_dump(B::get()); var_dump(A::get()); B::set('a'); var_dump(B::get()); var_dump(A::get());
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "b" string(1) "b" string(1) "a" string(1) "a"

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