how to retrieve image from database in php mysqli

1// database connection
2  $conn = mysqli_connect("localhost", "root", "", "student");
3// Fetch image from database
4	$img = mysqli_query($conn, "SELECT * FROM student_table");
5     while ($row = mysqli_fetch_array($img)) {     
6		
7      	echo "<img src='images/".$row['imagename']."' >";   
8      
9    } 

1// Get the name of images
2  	$Get_image_name = $_FILES['image']['name'];
3  	
4  	// image Path
5  	$image_Path = "images/".basename($Get_image_name);
6
7  	$sql = "INSERT INTO student_table (imagename, contact) VALUES ('$Get_image_name', 'USA')";
8  	
9	// Run SQL query
10  	mysqli_query($conn, $sql);
11
12  	if (move_uploaded_file($_FILES['image']['tmp_name'], $image_Path)) {
13  		echo "Your Image uploaded successfully";
14  	}else{
15  		echo  "Not Insert Image";
16  	}
17  }

1<?php // Include the database configuration file  require_once 'dbConfig.php';  // Get image data from database $result = $db->query("SELECT image FROM images ORDER BY uploaded DESC"); ?>
2
3<?php if($result->num_rows > 0){ ?>     <div class="gallery">         <?php while($row = $result->fetch_assoc()){ ?>             <img src="data:image/jpg;charset=utf8;base64,<?php echo base64_encode($row['image']); ?>" />         <?php } ?>     </div> <?php }else{ ?>     <p class="status error">Image(s) not found...</p> <?php } ?>