Upload and Retrieve an image from database

/*Create table in sql:*/


CREATE TABLE `images` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`image` longblob NOT NULL,

`created` datetime NOT NULL,

PRIMARY KEY (`id`)

);



/*Uploading an image to Database*/


<?php
if(isset($_POST["submit"])){
    $check = getimagesize($_FILES["image"]["tmp_name"]);
    if($check !== false){
        $image = $_FILES['image']['tmp_name'];
        $imgContent = addslashes(file_get_contents($image));

        $dbHost = 'localhost';
        $dbUsername = 'root';
        $dbPassword = 'root';
        $dbName = 'sample';

//Create connection and select DB
        $db = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);

// Check connection
        if($db->connect_error){
            die("Connection failed: " . $db->connect_error);
        }

        $dateTime = date("Y-m-d H:i:s");

//Insert image content into database
        $insert = $db->query("INSERT into images_tbl (image,created) VALUES ('$imgContent', '$dateTime')");
        if($insert){
            echo "File uploaded successfully.";
        }else{
            echo "File upload failed, please try again.";
        }
    }else{
        echo "Please select an image file to upload.";
    }
}
?>


<form action="" method="post" enctype="multipart/form-data">

    Select image to upload:

    <input type="file" name="image" required />

    <input type="submit" name="submit" value="UPLOAD"/>

</form>





/*Retrieve an image from database*/



<?php
if(!empty($_GET['id'])){
//DB details
    $dbHost = 'localhost';
    $dbUsername = '****'; //give your database name here
    $dbPassword = '****'; //give your database password here
    $dbName = 'sample';

//Create connection and select DB
    $db = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);

//Check connection
    if($db->connect_error){
        die("Connection failed: " . $db->connect_error);
    }

//Get image data from database
    $result = $db->query("SELECT image FROM images_tbl WHERE id = {$_GET['id']}");

    if($result->num_rows > 0){
        $imgData = $result->fetch_assoc();

//Render image
        header("Content-type: image/jpg");
        echo $imgData['image'];
    }else{
        echo 'Image not found...';
    }
}
?>