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Notice (8): unserialize() [<a href='https://secure.php.net/function.unserialize'>function.unserialize</a>]: Error at offset 16363 of 16373 bytes [APP/Controller/NewsController.php, line 5571]

Notice: file_put_contents() [function.file-put-contents]: Write of 2757 bytes failed with errno=28 No space left on device in /www/wwwroot/www.adminso.com/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 140
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Notice (8): unserialize() [<a href='https://secure.php.net/function.unserialize'>function.unserialize</a>]: Error at offset 4067 of 4085 bytes [APP/Controller/NewsController.php, line 5571]

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Notice (8): unserialize() [<a href='https://secure.php.net/function.unserialize'>function.unserialize</a>]: Error at offset 61409 of 61429 bytes [APP/Controller/NewsController.php, line 5571]

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php错误:failed to open stream: HTTP request failed!的解决方法

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2014-12-06 15:21:06 转载来源: 网络整理/侵权必删

本文为大家讲解的是php错误:failed to open stream: HTTP request failed!的解决方法,感兴趣的同学参考下。 当使用php5自带的file_get_contents方法来获取远程文件的时候,有时候会出现file_get_contents(): failed to open stream: HTTP request failed!这个警告信息

本文为大家讲解的是php错误:failed to open stream: HTTP request failed!的解决方法,感兴趣的同学参考下。

当使用php5自带的file_get_contents方法来获取远程文件的时候,有时候会出现file_get_contents(): failed to open stream: HTTP request failed!这个警告信息。
google或者baidu一下,好多这样的问题,解决的方法都是修改php.ini,把allow_url_fopen给启用,改成 allow_url_fopen = On

这样做可以解决某些人的问题,有人说在php.ini中,有这样两个选项:allow_url_fopen =on(表示可以通过url打开远程文件),user_agent="PHP"(表示通过哪种脚本访问网络,默认前面有个 " ; " 去掉即可。)重启服务器。

但是有些还是会有这个警告信息,想用完美的解决还差一步,还得设置php.ini里面的user_agent,php默认的user_agent是PHP,我们把它改成Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)来模拟浏览器就可以了

user_agent=”Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)”

在工作中遇到这个问题,后完美解决,故分享给大家。
我批量抓取chemblink的结构式发现循环后有部分图片无法显示,而远程文件是存在的。
抓取远程文件的时候出现类似Warning: readfile(http://www.xxx.net/logo.gif) [function.readfile]: failed to open stream: HTTP request failed! 这样的警告信息,我使用的是


ob_start();
readfile("http://www.xxx.net/logo.gif");
$img = ob_get_contents();
ob_end_clean();


这样在运行中会时不时的出现上述错误,我也换过file_get_contents等其他函数都没用用,在网上查阅后发现用CURL方法抓取不会出错

现在比较流行使用curl

 


<?php
$url = "http://sa.xxxx.net";
$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT,10);
$dxycontent = curl_exec($ch);
echo $dxycontent;
?>

 


标签: failed php 错误 to open stream HTTP request 解决


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