Insert Image into Database PHP

Inserting images in mysql-:

MySQL has a blob data type which can used to store binary data. A blob is a collection of binary data stored as a single entity in a database management system. Blobs are typically images, audio or other multimedia blob objects. MySQL has four BLOB types:

• TINYBLOB
• BLOB
• MEDIUMBLOB
• LONGBLOB

<?php
if(isset($_POST['upload']) && $_FILES['userfile']['size'] > 0)
{
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$dbname = 'infra';
$conn = mysql_connect($dbhost, $dbuser, $dbpass) or die('Error connecting to mysql');
mysql_select_db($dbname);

$fileName = $_FILES['userfile']['name'];
$tmpName  = $_FILES['userfile']['tmp_name'];
$fileSize = $_FILES['userfile']['size'];
$fileType = $_FILES['userfile']['type'];
$fp      = fopen($tmpName, 'r');
$content = fread($fp, filesize($tmpName));
$content = addslashes($content);
fclose($fp);
if(!get_magic_quotes_gpc())
{
    $fileName = addslashes($fileName);
}
$query = "INSERT INTO upload (name, size, type, content ) ".
"VALUES ('$fileName', '$fileSize', '$fileType', '$content')";
mysql_query($query) or die('Error, query failed');
echo "<br>File $fileName uploaded<br>";
}
?>
<form method="post" enctype="multipart/form-data">
<table width="350" border="0" cellpadding="1" cellspacing="1" class="box">
<tr>
<td width="246">
<input type="hidden" name="MAX_FILE_SIZE" value="2000000">
<input name="userfile" type="file" id="userfile">
</td>
<td width="80"><input name="upload" type="submit" class="box" id="upload" value=" Upload "></td>
</tr>
</table>
</form>