php 获取网页内容及代码

<?php
$url = "http://localhost/cp/test.html";
$contents = file_get_contents($url);
//如果出现中文乱码使用下面代码
$getcontent = iconv("gb2312", "utf-8",$contents);
echo $getcontent;
?>

<?php
$lines = file('http://localhost/cp/test.html');
foreach ($lines as $line_num => $line) {
echo "Line <b>{$line_num}</b> : " . htmlspecialchars($line). "<br />/n";
}
?>