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<?php class a { protected static $build_keeper = []; public static function build(){ if(!isset(self::$build_keeper[static::class])){ self::$build_keeper[static::class] = new static(); } return self::$build_keeper[static::class]; } protected function __construct() { } } class b extends a { public function doSomeThing() { echo 2; } } class c1 extends a { public function doSomeThingElse() { echo 3; } } b::build()->doSomeThing(); c1::build()->doSomeThingElse();
Output for git.master, git.master_jit, rfc.property-hooks
23

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