PHP에서 URL을 구문 분석하고 URL 매개변수를 얻는 방법(자세한 튜토리얼)

/**
 * 解析url中参数信息，返回参数数组
 */
function convertUrlQuery($query)
{
   $queryParts = explode('&', $query);

   $params = array();
   foreach ($queryParts as $param) {
      $item = explode('=', $param);
      $params[$item[0]] = $item[1];
   }

   return $params;
}

/**
 * 把数组拼接成url参数形式
 */
function getUrlQuery($array_query)
{
   $tmp = array();
   foreach ($array_query as $k => $param) {
      $tmp[] = $k . '=' . $param;
   }
   $params = implode('&', $tmp);
   return $params;
}

$url = 'http://www.test.com/link?param1=1&param2=2&param3=3';
// 解析url，得到参数字符串
$url = parse_url($url);
// 字符串->数组
$param_arr = $this->convertUrlQuery($url['query']);
// 数组->字符串
$param_str = $this->getUrlQuery($param_arr);

/**
 * 解析url中参数信息，返回参数数组
 */
function convertUrlQuery($query)
{
   $queryParts = explode('&', $query);

   $params = array();
   foreach ($queryParts as $param) {
      $item = explode('=', $param);
      $params[$item[0]] = $item[1];
   }

   return $params;
}

/**
 * 把数组拼接成url参数形式
 */
function getUrlQuery($array_query)
{
   $tmp = array();
   foreach ($array_query as $k => $param) {
      $tmp[] = $k . '=' . $param;
   }
   $params = implode('&', $tmp);
   return $params;
}

$url = 'http://www.test.com/link?param1=1&param2=2&param3=3';
// 解析url，得到参数字符串
$url = parse_url($url);
// 字符串->数组
$param_arr = $this->convertUrlQuery($url['query']);
// 数组->字符串
$param_str = $this->getUrlQuery($param_arr);