php database image

gistfile1.php

<?php 
function get_image()
{
	$query = "SELECT Image FROM Mini_Article WHERE id= 4";
	$result = mysql_query($query) or exit("mysql error");
	$row = mysql_fetch_row($result);
	$image_data = $row[0]; // Image col
	
	return $image_data;
}
?>
<div class="image_b">
	<?php 
	$image_data = get_image();
	$data_uri = "data:image/png;base64,". base64_encode($image_data);
	
	// استعل data uri http://en.wikipedia.org/wiki/Data_URI_scheme
	printf('<img src="%s" border="1" alt="" />', $data_uri);
	?>
</div>