<?php 
		include "config.php";
		
		if(isset($_POST['submit'])){
			// Count total files
			$countfiles = count($_FILES['files']['name']);
			
			// Prepared statement
			$query = "INSERT INTO images (name,image) VALUES(?,?)";
			$statement  = $conn->prepare($query);
			// Loop all files
			for($i=0;$i<$countfiles;$i++){
				// File name
			   	$filename = $_FILES['files']['name'][$i];
			   	// Get extension
          		$ext = end((explode(".", $filename)));
          		// Valid image extension
          		$valid_ext = array("png","jpeg","jpg");
          		if(in_array($ext, $valid_ext)){
          			// Upload file
				   	if(move_uploaded_file($_FILES['files']['tmp_name'][$i],'upload/'.$filename)){     Error ตรงนี้ค่ะ
				   		// Execute query
						$statement->execute(array($filename,'upload/'.$filename));
					}
          		}
			   	
			}
			echo "File upload successfully";
		}
		?>
	</head>
	<body>
		<form method='post' action='' enctype='multipart/form-data'>
			<input type='file' name='files[]' multiple />
			<input type='submit' value='Submit' name='submit' />
		</form>
	</body>