php高效检测远程图片是否存在
function img_exits($url){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$url); curl_setopt($ch, CURLOPT_NOBODY, 1); // 不下载 curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); if(curl_exec($ch)!==false) return true; else return false; } $result = img_exits($img); var_dump($result);
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