$cities = array('Tokyo', 'Mexico City', 'New York City', 'Mumbai', 'Seoul', 'Shanghai', 'Lagos', 'Buenos Aires', 'Cairo', 'London');
		
		echo "<h2>Array to string separated by comma</h2><br>";
		foreach ($cities as $result) {	
		    $string = $result. ', ';
			echo $string;
		}