Google\Cloud\Tests\Snippets\Vision\Annotation\Face\LandmarksTest::positionOutput PHP Method

    private function positionOutput($type)
    {
        $pos = $this->getLandmark($type);
        $res = '';
        $res .= "x position: " . $pos['position']['x'] . PHP_EOL;
        $res .= "y position: " . $pos['position']['y'] . PHP_EOL;
        $res .= "z position: " . $pos['position']['z'] . PHP_EOL;
        return $res;
    }