How to check whether a remote file exists in php (pure code)

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Release: 2023-04-03 15:34:01
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The content of this article is about how to check whether remote files exist in PHP (pure code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

//检查远程文件是否存在 function check_remote_file_exists($url) { $curl = curl_init($url); // 不取回数据 curl_setopt($curl, CURLOPT_NOBODY, true); curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'GET'); //不加这个会返回403,加了才返回正确的200,原因不明 // 发送请求 $result = curl_exec($curl); $found = false; // 如果请求没有发送失败 if ($result !== false) { // 再检查http响应码是否为200 $statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE); if ($statusCode == 200) { $found = true; } } curl_close($curl); return $found; }
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