Read JPG EXIF w/ Thumbnail

<?php
/** Taken from Example #1 of http://php.net/manual/en/function.exif-read-data.php */

$fn = "images/zucchini.jpg";
$section = "ANY_TAG"; // Can be FILE, COMPUTED, ANY_TAG, IFD0, THUMBNAIL, COMMENT, or EXIF

echo "<h1>Reading exif data from $fn</h1>";

$exif = exif_read_data($fn, $section,true,true); // Set to break sections into subarrays and reads actual thumbnail data into $exif["THUMBNAIL"]["THUMBNAIL"].
echo $exif === false ? "No header data found.<br/>" : "Image contains headers<br/>";

// Dump full $exif array
echo "<pre>";
print_r($exif);
echo "</pre>";

// Perform base-64 encoding of thumbnail and display as embedded image.
echo "<img src='data:image/jpg;base64," . base64_encode($exif["THUMBNAIL"]["THUMBNAIL"]) . "'/>";
?>