Created
December 30, 2016 13:02
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function isImage($url = '') { | |
if (!strstr($url,'http')) return false; | |
$ch = curl_init($url); | |
curl_setopt($ch, CURLOPT_NOBODY, 1); | |
curl_setopt($ch, CURLOPT_HEADER, 0); | |
curl_setopt($ch, CURLOPT_MAXREDIRS, 3); | |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0); | |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); | |
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); | |
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT ,5); | |
curl_setopt($ch,CURLOPT_TIMEOUT, 15); | |
curl_exec($ch); | |
$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); | |
curl_close($ch); | |
if (strstr($contentType,'image') || strstr($contentType,'octet-stream')) return true; | |
return false; | |
} |
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