php如何解析url？解析url的5种方式介绍

//URL的参数 echo $_SERVER['QUERY_STRING']; 返回： m=admin&c=index&a=lists&catid=1&page=1 //包含文件名 echo $_SERVER["REQUEST_URI"];

/test.php?m=admin&c=index&a=lists&catid=1&page=1

echo "
"; $url = 'http://localhost/test.php?m=admin&c=index&a=lists&catid=1&page=1#top'; var_export(pathinfo($url));
         

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array ( 'dirname' => 'http://localhost', 'basename' => 'test.php?m=admin&c=index&a=lists&catid=1&page=1#top', 'extension' => 'php?m=admin&c=index&a=lists&catid=1&page=1#top', 'filename' => 'test', )

echo "
"; $url = 'http://localhost/test.php?m=admin&c=index&a=lists&catid=1&page=1#top'; var_export(parse_url($url));
         

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array ( 'scheme' => 'http', 'host' => 'localhost', 'path' => '/test.php', 'query' => 'm=admin&c=index&a=lists&catid=1&page=1', 'fragment' => 'top', )

echo "
"; $url = 'http://localhost/test.php?m=admin&c=index&a=lists&catid=1&page=1#top'; var_export(basename($url));
         

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test.php?m=admin&c=index&a=lists&catid=1&page=1#top

echo "
"; $url = 'http://localhost/test.php?m=admin&c=index&a=lists&catid=1&page=1#top'; preg_match_all("/(\w+=\w+)(#\w+)?/i",$url,$match); var_export($match);
         

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array ( 0 => array ( 0 => 'm=admin', 1 => 'c=index', 2 => 'a=lists', 3 => 'catid=1', 4 => 'page=1#top', ), 1 => array ( 0 => 'm=admin', 1 => 'c=index', 2 => 'a=lists', 3 => 'catid=1', 4 => 'page=1', ), 2 => array ( 0 => '', 1 => '', 2 => '', 3 => '', 4 => '#top', ), )

/** * 将字符串参数变为数组 * @param $query * @return array */ function convertUrlQuery($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 $array_query * @return string */ function getUrlQuery($array_query) { $tmp = array(); foreach ($array_query as $k => $param) { $tmp[] = $k . '=' . $param; } $params = implode('&', $tmp); return $params; }

echo "
"; $url = 'http://localhost/test.php?m=admin&c=index&a=lists&catid=1&page=1#top'; $arr = parse_url($url); $arr_query = convertUrlQuery($arr['query']); var_export($arr_query);
         

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array ( 'm' => 'admin', 'c' => 'index', 'a' => 'lists', 'catid' => '1', 'page' => '1', )

var_export(getUrlQuery($arr_query));

m=admin&c=index&a=lists&catid=1&page=1