php查看网页源代码 php查看网页源代码的方法

<?php
$url = "//www.qb5200.com";
$fp = @fopen($url, 'r')
  or die("Cannot Open $url via Get method");
while ($line = @fgets($fp, 1024)) {
  $contents .= $line;
}
fclose($fp);
?>