How to check if a remote file exists in PHP (pure code)

This article gives you the content is about how to check the existence of the remote file in PHP (pure code), there is a certain reference value, the need for a friend can refer to, I hope you have some help.

Check if the remote file exists function check_remote_file_exists ($url) {$curl = Curl_init ($url);//Do not retrieve data curl_setopt ($curl, Curlopt_ NOBODY, True); curl_setopt ($curl, Curlopt_customrequest, ' GET '); Do not add this will return 403, add to return the correct 200, unexplained//Send request $result = curl_exec ($curl); $found = false;//If the request did not send failed if ($result!== false) {// Check that the HTTP response code is 200$statuscode = Curl_getinfo ($curl, Curlinfo_http_code), if ($statusCode = =) {$found = true;}} Curl_close ($curl); return $found;}