PHP获取地址url参数值

弘毅

1. <?php
   
2. $url = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
   
3. 
   
4. //echo "<pre>";
   
5. $arr = parse_url($url);
   
6. var_dump($arr);
   
7. $arr_query = convertUrlQuery($arr['query']);
   
8. var_dump($arr_query);
   
9. var_dump(getUrlQuery($arr_query));
   
10. 
    
11. /**
    
12. * 将字符串参数变为数组
    
13. * @param $query
    
14. * @return array array (size=10)
    
15.      'm' => string 'content' (length=7)
    
16.      'c' => string 'index' (length=5)
    
17.      'a' => string 'lists' (length=5)
    
18.      'catid' => string '6' (length=1)
    
19.      'area' => string '0' (length=1)
    
20.      'author' => string '0' (length=1)
    
21.      'h' => string '0' (length=1)
    
22.      'region' => string '0' (length=1)
    
23.      's' => string '1' (length=1)
    
24.      'page' => string '1' (length=1)
    
25. */
    
26. function convertUrlQuery($query)
    
27. {
    
28.     $queryParts = explode('&', $query);
    
29.     $params = array();
    
30.     foreach ($queryParts as $param) {
    
31.         $item = explode('=', $param);
    
32.         $params[$item[0]] = $item[1];
    
33.     }
    
34.     return $params;
    
35. }
    
36. 
    
37. /**
    
38. * 将参数变为字符串
    
39. * @param $array_query
    
40. * @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)
    
41. */
    
42. function getUrlQuery($array_query)
    
43. {
    
44.     $tmp = array();
    
45.     foreach($array_query as $k=>$param)
    
46.     {
    
47.         $tmp[] = $k.'='.$param;
    
48.     }
    
49.     $params = implode('&',$tmp);
    
50.     return $params;
    
51. }

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