PHP 获取网页文件大小实例代码
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發布: 2016-06-13 10:39:37
- $host="www.ite5e.com";
- $fp = fsockopen("$host", 80, $errno, $errstr, 30);
- if (!$fp) {
- echo "$errstr ($errno)
";
- } else {
- $out = "GET / HTTP/1.1
";
- $out .= "Host: $host
";
- $out .= "Connection: Close
";
- }
-
- fwrite($fp, $out);
- $i=0;
- while($i
- {
- $i ;
- $con.=fread($fp,500);
- }
- //
- echo $con;
- //定义取出的字节数
- preg_match("/Content-Length:.?(d )/", $con, $matches);
- $size = $matches[1];
- echo $size;
- ?>
-
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