- date: documentation ( source)
<?php
$curl = curl_init('http://s3-ap-southeast-1.amazonaws.com/cobo-nwddev/photo/pho_0Mp1oQ.jpg');
//don't fetch the actual page, you only want headers
curl_setopt($curl, CURLOPT_NOBODY, true);
//stop it from outputting stuff to stdout
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
// attempt to retrieve the modification date
curl_setopt($curl, CURLOPT_FILETIME, true);
$result = curl_exec($curl);
if ($result === false) {
die (curl_error($curl));
}
$timestamp = curl_getinfo($curl, CURLINFO_FILETIME);
if ($timestamp != -1) { //otherwise unknown
echo date("Y-m-d H:i:s", $timestamp); //etc
}