利用百度纠正错误的词语或者字符

//模拟请求post 2015-09-26
function post($url,$data,$array='0') 
{ 
if ($array=='0') //浏览器信息为空
{$array= array(
"Referer: {$url}",
'User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.152 Safari/537.36'
);}
$ch = curl_init($url); 
curl_setopt($ch, CURLOPT_HEADER, 0); 
//https 专用的两行 
//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); 
//curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_TIMEOUT,3);   //超时的秒数 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 
curl_setopt($ch, CURLOPT_HTTPHEADER, $array); //发送模拟信息数组需换行 $post_array= array('Accept-Encoding: gzip');
$curlsc=curl_exec($ch); //存为变量 
curl_close($ch); 
Return $curlsc; 
}
//模拟请求get 2015-09-26
function get($url,$array='0')
{ 
if ($array=='0') //浏览器信息为空
{$array= array(
'User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.152 Safari/537.36',
"Referer: {$url}",
);}
$ch = curl_init($url); //初始化 
curl_setopt($ch, CURLOPT_HEADER, 0); //不返回header部分 
//curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转有些报错
curl_setopt($ch, CURLOPT_HTTPHEADER, $array); //发送模拟信息数组需换行 $post_array= array('Accept-Encoding: gzip');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //返回字符串，而非直接输出源码 
curl_setopt($ch, CURLOPT_TIMEOUT,3);   //超时的秒数
$curl=curl_exec($ch); 
curl_close($ch); 
return $curl; 
}


//利用百度检测纠正字符
		$url = "http://m.baidu.com/s?word={$M}";
		$url = get($url);
		if ( strstr($url,'correct-q') )
		{
		$preg = '#class="correct-q">(.*)#iUs'; //#开头  尾部#iUs';
		preg_match_all($preg,$url,$zz); 
		$a=$zz[1][0];
		echo "您要找的是不是：{$a}\n请重新输入正确的名字。";
		}
		else {
			echo '没有';
		}