Image file to URI base64

<?php
$image = './uri.jpeg';
// Read image path, convert to base64 encoding
$imageData = base64_encode(file_get_contents($image));

// Format image to URI data:{mime};base64,{data};
$src = 'data: '.mime_content_type($image).';base64,'.$imageData;

echo '<img src="'.$src.'">';