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common.inc.php
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<?php
// vim: set et sw=4 ts=4 sts=4 fdm=marker ff=unix fenc=utf8 nobomb:
/**
* 公共函数库
*
* @author mingcheng<i.feelinglucky#gmail.com>
* @date 2011-02-17
* @link http://www.gracecode.com/
*/
/**
* 安全获取 GET/POST 的参数
*
* @param String $request_name
* @param Mixed $default_value
* @param String $method 'post', 'get', 'all' default is 'all'
* @return String
*/
function getRequestParam($request_name, $default_value = null, $method = "all")
{
$magic_quotes = ini_get("magic_quotes_gpc") ? true : false;
$method = strtolower($method);
switch (strtolower($method)) {
default:
case "all":
if (isset($_POST[$request_name])) {
return $magic_quotes ? stripslashes($_POST[$request_name]) : $_POST[$request_name];
} else if (isset($_GET[$request_name])) {
return $magic_quotes ? stripslashes($_GET[$request_name]) : $_GET[$request_name];
} else {
return $default_value;
}
break;
case "get":
if (isset($_GET[$request_name])) {
return $magic_quotes ? stripslashes($_GET[$request_name]) : $_GET[$request_name];
} else {
return $default_value;
}
break;
case "post":
if (isset($_POST[$request_name])) {
return $magic_quotes ? stripslashes($_POST[$request_name]) : $_POST[$request_name];
} else {
return $default_value;
}
break;
default:
return $default_value;
break;
}
}
/**
* 判断是否是属于 DXY 的链接
*/
function isDXYUrl($url) {
$url_array = parse_url($url);
if (!isset($url_array['host'])) {
return false;
}
$dxy_domains = "dxy.me|dxy.cn|dxy.com|pubmed.cn|pubmed.com|biomart.cn|dxyer.cn";
$preg_matchers = sprintf("/(%s)$/", str_replace(".", "\.", $dxy_domains));
return preg_match($preg_matchers, $url_array['host']);
}
/**
* 错误
*/
function raiseErros($messages, $error_id = -1) {
$result = array ("error" => $error_id, "message" => $messages);
die(json_encode($result));
}