PHP实现远程下载文件到本地
经常写采集器发布接口需要使用到远程附件的功能,所以自己写了一个PHP远程下载文件到本地的函数,一般情况下已经够用了,如果服务器支持CURL函数,程序则会优先选择CURL,有需要的小伙伴可以参考下。
代码很简单就不多废话了,直接奉上:
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<?php function httpcopy($url, $file="", $timeout=60) { $file = empty($file) ? pathinfo($url,PATHINFO_BASENAME) : $file; $dir = pathinfo($file,PATHINFO_DIRNAME); !is_dir($dir) && @mkdir($dir,0755,true); $url = str_replace(" ","%20",$url); if(function_exists('curl_init')) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); $temp = curl_exec($ch); if(@file_put_contents($file, $temp) && !curl_error($ch)) { return $file; } else { return false; } } else { $opts = array( "http"=>array( "method"=>"GET", "header"=>"", "timeout"=>$timeout) ); $context = stream_context_create($opts); if(@copy($url, $file, $context)) { //$http_response_header return $file; } else { return false; } }}?> |
再来个远程下载文件到服务器
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<form method="post"><input name="url" size="50" /><input name="submit" type="submit" /></form>< ?php// maximum execution time in secondsset_time_limit (24 * 60 * 60);if (!isset($_POST['submit'])) die();// folder to save downloaded files to. must end with slash$destination_folder = 'temp/'; $url = $_POST['url'];$newfname = $destination_folder . basename($url);$file = fopen ($url, "rb");if ($file) {$newf = fopen ($newfname, "wb");if ($newf)while(!feof($file)) {fwrite($newf, fread($file, 1024 * 8 ), 1024 * 8 );}}if ($file) {fclose($file);}if ($newf) {fclose($newf);}?> |
以上所述就是本文的全部内容了,希望大家能够喜欢。