1--TEST-- 2Check for exif_thumbnail 3--SKIPIF-- 4<?php if (!extension_loaded('exif')) print 'skip exif extension not available';?> 5--INI-- 6magic_quotes_runtime=0 7output_handler= 8zlib.output_compression=0 9--FILE-- 10<?php 11/* 12 test1.jpg is a 1*1 image that does not contain any Exif/Comment information 13 test2.jpg is the same image but contains Exif/Comment information and a 14 copy of test1.jpg as a thumbnail. 15*/ 16$infile = dirname(__FILE__).'/test1.jpg'; 17echo md5_file($infile).'_'.filesize($infile); 18$thumb = exif_thumbnail(dirname(__FILE__).'/test2.jpg'); 19echo " == "; 20echo md5($thumb).'_'.strlen($thumb); 21echo "\n"; 22?> 23--EXPECT-- 2427bbfd9fc10e1e663d749f5225447905_523 == 27bbfd9fc10e1e663d749f5225447905_523 25