<?php$url = ‘http://www.baidu.com/index.php?m=content&c=index&a=lists&catid=6&area=0&author=0&h=0&region=0&s=1&page=1‘;$arr = parse_url($url);var_dump($arr);$arr_query = convertUrlQuery($arr[‘query‘]);var_dump($arr_query);var_dump(getUrlQuery($arr_query));/** * 将字符串参数变为数组 * @param $query * @return array array (size=10)                    ‘m‘ => string ‘content‘ (length=7)                    ‘c‘ => string ‘index‘ (length=5)                    ‘a‘ => string ‘lists‘ (length=5)                    ‘catid‘ => string ‘6‘ (length=1)                    ‘area‘ => string ‘0‘ (length=1)                    ‘author‘ => string ‘0‘ (length=1)                    ‘h‘ => string ‘0‘ (length=1)                    ‘region‘ => string ‘0‘ (length=1)                    ‘s‘ => string ‘1‘ (length=1)                    ‘page‘ => string ‘1‘ (length=1) */function convertUrlQuery($query){    $queryParts = explode(‘&‘, $query);    $params = array();    foreach ($queryParts as $param) {        $item = explode(‘=‘, $param);        $params[$item[0]] = $item[1];    }    return $params;}/** * 将参数变为字符串 * @param $array_query * @return string string ‘m=content&c=index&a=lists&catid=6&area=0&author=0&h=0&region=0&s=1&page=1‘ (length=73) */function getUrlQuery($array_query){    $tmp = array();    foreach($array_query as $k=>$param)    {        $tmp[] = $k.‘=‘.$param;    }    $params = implode(‘&‘,$tmp);    return $params;}