检测域名是否被墙API接口源码

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<?php
/*
* 检测域名是否被墙
* 2dph.com
*/
//查询域名
$domain = '2dph.com';

$post = array(
	'func'	=>	'true'
	,'m'		=>	'check'
	,'a'		=>	'check'
	,'domain'=>	$domain
);
$rel = _qiang($post);
$arr = json_decode($rel,true);
if ($arr['strcode'] == 1) {
	echo '该域名没有被墙';
}elseif ($arr['strcode'] == -1) {
	echo '该域名被墙了';
}else{
	echo '查询失败';
}

function _qiang($post) {
	// 创建一个新cURL资源
	$ch = curl_init();
	// 设置URL和相应的选项
	curl_setopt($ch, CURLOPT_URL, 'https://tool.22.cn/ajax/qiang.ashx?'.time());
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
	curl_setopt($ch, CURLOPT_HEADER, 0);
	//将curl_exec()获取的信息以文件流的形式返回，而不是直接输出
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	//POST请求
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
	//执行cURL会话
	$response = curl_exec($ch);
	// 关闭cURL资源，并且释放系统资源
	curl_close($ch);
	return $response;
}