php源码 fsockopen获取网页内容实例详解

2016-11-12 17:50:31 

PHP fsockopen函数说明:

Open Internet or Unix domain socket connection(打开套接字链接)

Initiates a socket connection to the resource specified by target .

fsockopen() returns a file pointer which may be used together with the other file functions (such as fgets() , fgetss() , fwrite() , fclose() , and feof() ).就是返回一个文件句柄

开启PHP fsockopen这个函数

PHP fsockopen需要 PHP.ini 中 allow_url_fopen 选项开启。

使用fsockopen获取网页内容

具体源代码如下:

<?php $host = "www.jiucanba.com"; $page = "/index.htm"; $fp = fsockopen( "$host", 80, $errno, $errdesc ); if ( ! $fp ) { die ( "Couldn't connect to $host: Error: $errno Desc: $errdesc " ); } $request = "GET $page HTTP/1.0 "; $request .= "Host: $host "; $request .= "Referer: http://www.jiucanba.com"; $request .= "User-Agent: PHP test client "; $page = array(); fputs ( $fp, $request ); while ( ! feof( $fp ) ) { $page[] = fgets( $fp, 1024 ); } fclose( $fp ); print "the server returned ".(count($page))." lines!"; ?>

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