How to Upload Video Files using PHP and MySQLi

DATABASE CONNECTION SCRIPT

<?php
// Fill in your databse hostname, usernme, password and database name below

$mysqli = mysqli_connect('localhost', 'root', '', 'demos'); 
if(!$mysqli)
{
	die("Error: Failed to connect to database!");
}
?>

<div class="modal fade" id="form_modal" aria-hidden="true">
    <div class="modal-dialog">
        <form action="save_video.php" method="POST" enctype="multipart/form-data">
            <div class="modal-content">
            <div class="modal-header">
                <h4 class="modal-title"><span class="glyphicon glyphicon-file"></span> Upload Video File</h4>
              </div>
                <div class="modal-body">
                    <div class="col-md-3"></div>
                    <div class="col-md-6">
                        <div class="form-group">
                            <input type="file" name="video"/>
                        </div>
                    </div>
                </div>
                <div style="clear:both;"></div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-danger" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span> Close</button>
                    <button name="save" class="btn btn-success"><span class="glyphicon glyphicon-save"></span> Save</button>
                </div>
            </div>
        </form>
    </div>
</div>

VIDEO FILE UPLOAD PHP SCRIPT

<?php
require_once 'database_connection.php'; // Database Connection File

// Check to be sure that the only request we can process is POST REQUEST
if(isset($_SERVER["REQUEST_METHOD"]) && strip_tags($_SERVER["REQUEST_METHOD"]) == strip_tags("POST"))
{
	if(isset($_POST['save']))
	{
		// Variable declaration
		$file_name = $_FILES['video']['name'];
		$file_temp = $_FILES['video']['tmp_name'];
		$file_size = $_FILES['video']['size'];
		
		if($file_size < 4000000) // Maximum allowed file size is 1MB
		{
			$file = explode('.', $file_name);
			$end = end($file);
			$allowed_ext = array('avi', 'wmv', 'mov', 'mp4'); // Allowed file types
			
			// If the file trying to upload is in the list of allowed file types, proceed to upload
			if( in_array($end, $allowed_ext) ) 
			{
				$actual_filename_without_extension = pathinfo($file_name, pathinfo_FILENAME);
				
				$name = str_replace(' ','-',$actual_filename_without_extension).'-'.time(); // New name to be given to the video file we are trying to upload
				$saved_location = 'video/'.$name.".".$end; // Location where the video file will be saved on our server
				
				if(move_uploaded_file($file_temp, $saved_location)) // Now try to upload the file
				{
					// Save the new file name in the database while the actual file is saved above in a folder on our server
					mysqli_query($mysqli, "insert into `video` values(0, '".mysqli_real_escape_string($mysqli, $actual_filename_without_extension)."', '".mysqli_real_escape_string($mysqli, $saved_location)."', '".mysqli_real_escape_string($mysqli, date('d-m-Y'))."')") or die(mysqli_error());
					echo "<script>alert('Great, the video was uploaded successfully')</script>";
					echo "<script>window.location = 'index.php'</script>";
				}
			}
			else // Else to not upload if its not in the list of allowed file types
			{
				echo "<script>alert('Sorry, you tried to upload a wrong video file\\n Allowed video file types are avi, wmv, mov, mp4')</script>";
				echo "<script>window.location = 'index.php'</script>";
			}
		}
		else
		{
			echo "<script>alert('Sorry, the file size you tried to upload was too large.\\nMaximum allowed file size is 4MB')</script>";
			echo "<script>window.location = 'index.php'</script>";
		}
	}
}
else 
{
	// Deny access if the request brought to this page is not a POST REQUEST
	die('Access Denied');
}
?>

DISPLAY UPLOADED VIDEO FILES SCRIPT

<?php
include 'database_connection.php'; // Database Connection File
if( mysqli_num_rows( $query = mysqli_query($mysqli, "select * from `video` order by `id` desc")) )
{
    while($fetch = mysqli_fetch_array($query))
    {
        ?>
        <div class="col-md-12">
            <div class="col-md-4" style="word-wrap:break-word;">
                <br />
                <h4>Name of Video</h4>
                <h5 class="text-primary"><?php echo $fetch['video_name']?></h5>
            </div>
            <div class="col-md-8">
                <video width="100%" height="240" controls>
                    <source src="<?php echo $fetch['file_name'];?>">
                </video>
            </div>
            <br style="clear:both;"/>
            <hr style="border-top:1px groovy #000;"/>
        </div>
         <?php
    }
}
else
{
    echo 'No video has been uploaded yet';
}
?>

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