public static function after($arr, $i) {
		$res = [];
		$do = false;
		foreach($arr as $k=>$v) {
			if($do)
				$res[$k] = $v;
			if($k === $i)
				$do = true;
		}
		return $res;
	}
public static function after($arr, $i) {
		$res = [];
		$do = false;
		foreach($arr as $k=>$v) {
			if($do)
				$res[$k] = $v;
			if($k === $i)
				$do = true;
		}
		return $res;
	}
public static function after ( $ arr , $ i ) { $ res = [ ] ; $ do = false ; foreach ( $ arr as $ k => $ v ) { if ( $ do ) $ res [ $ k ] = $ v ; if ( $ k === $ i ) $ do = true ; } return $ res ; }
Return all ements after a given position.
@param  array   $arr
@param  integer $i
@return array
@api
Return all ements after a given position .