1 <?php
2 $url = 'http://www.baidu.com/index.php?m=content&c=index&a=lists&catid=6&area=0&author=0&h=0®ion=0&s=1&page=1';
3 $arr = parse_url($url);
4 var_dump($arr);
5 $arr_query = convertUrlQuery($arr['query']);
6 var_dump($arr_query);
7 var_dump(getUrlQuery($arr_query));
8 /**
9 * 将字符串参数变为数组
10 * @param $query
11 * @return array array (size=10)
12 'm' => string 'content' (length=7)
13 'c' => string 'index' (length=5)
14 'a' => string 'lists' (length=5)
15 'catid' => string '6' (length=1)
16 'area' => string '0' (length=1)
17 'author' => string '0' (length=1)
18 'h' => string '0' (length=1)
19 'region' => string '0' (length=1)
20 's' => string '1' (length=1)
21 'page' => string '1' (length=1)
22 */
23 function convertUrlQuery($query)
24 {
25 $queryParts = explode('&', $query);
26 $params = array();
27 foreach ($queryParts as $param) {
28 $item = explode('=', $param);
29 $params[$item[0]] = $item[1];
30 }
31 return $params;
32 }
33 /**
34 * 将参数变为字符串
35 * @param $array_query
36 * @return string string 'm=content&c=index&a=lists&catid=6&area=0&author=0&h=0®ion=0&s=1&page=1' (length=73)
37 */
38 function getUrlQuery($array_query)
39 {
40 $tmp = array();
41 foreach($array_query as $k=>$param)
42 {
43 $tmp[] = $k.'='.$param;
44 }
45 $params = implode('&',$tmp);
46 return $params;
47 }
