<?php 
include 'PunyPNG.php'; 
 
$pp = new PunyPNG(); 
$pp->apiKey = 'replace-with-your-api-key'; 
$pp->savePath = 'compressed/'; 
 
$images = array( 
    'files/img1.png', 
    'files/img2.jpg', 
    'files/img3.gif' 
); 
 
$pp->compress($images); 
 
echo $pp->printInfo(); 
echo $pp->printErrors(); 
?>
 
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