可以获取任意 Web 页面HTML 代码的PHP函数

1. function display_sourcecode($url)
2. {
3. $lines = file($url);
4. $output = "";
5. foreach ($lines as $line_num => $line) {
6. // loop thru each line and prepend line numbers
7. $output.= "Line #{$line_num} : " . htmlspecialchars($line) . "
   \n";
8. }
9. }

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用法：

1. $url = "http://www.open-open.com";
2. $source = display_sourcecode($url);
3. echo $source;
4. ?>

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Web, HTML, PHP