PHP实现远程下载文件到本地_PHP教程

PHP实现远程下载文件到本地

2020-09-24 18:00PHP教程网 PHP教程

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：

				?

									<?php

									echo httpcopy("http://www.baidu.com/img/baidu_sylogo1.gif");

									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

				?

									<form method="post">

									<input name="url" size="50" />

									<input name="submit" type="submit" />

									</form>

									< ?php

									// maximum execution time in seconds

									set_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);

									}

									?>