php __call方法使用说明

$shortCut = "[InternetShortcut]
URL=http://www.111cn.net
IDList=
[{000214A0-0000-0000-C000-000000000046}]
Prop3=19,2
";
Header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=hzhuti.url;");
echo $shortCut;

// baseUrl
function baseUrl($uri=''){
 $baseUrl = ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') ? 'https://' : 'http://';
 $baseUrl .= isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : getenv('HTTP_HOST');
 $baseUrl .= isset($_SERVER['SCRIPT_NAME']) ? dirname($_SERVER['SCRIPT_NAME']) : dirname(getenv('SCRIPT_NAME'));
 return $baseUrl.'/'.$uri;
}

    /**
     * Suppose, you are browsing in your localhost
     * http://localhost/myproject/index.php?id=8
     */
    function baseUrl()
    {
        // output: /myproject/index.php
        $currentPath = $_SERVER['PHP_SELF'];

        // output: Array ( [dirname] => /myproject [basename] => index.php [extension] => php [filename] => index )
        $pathInfo = pathinfo($currentPath);

        // output: localhost
        $hostName = $_SERVER['HTTP_HOST'];

        // output: http://
        $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"],0,5))=='https://' ? 'https://' : 'http://';

        // return: http://localhost/myproject/
        return $protocol.$hostName.$pathInfo['dirname']."/";
    }

<?php
 /**
  *@author mckee
  *@blog  http://www.111cn.net
  */
 function get_page_url(){
  $url = (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443') ? 'https://' : 'http://';
  $url .= $_SERVER['HTTP_HOST'];
  $url .= isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : urlencode($_SERVER['PHP_SELF']) . '?' . urlencode($_SERVER['QUERY_STRING']);
  return $url;
 }
 echo get_page_url();
?>

<?php
function getFullUrl(){
    # 解决通用问题
    $requestUri = '';
    if (isset($_SERVER['REQUEST_URI'])) { #$_SERVER["REQUEST_URI"] 只有 apache 才支持,
        $requestUri = $_SERVER['REQUEST_URI'];
    } else {
        if (isset($_SERVER['argv'])) {
            $requestUri = $_SERVER['PHP_SELF'] .'?'. $_SERVER['argv'][0];
        } else if(isset($_SERVER['QUERY_STRING'])) {
            $requestUri = $_SERVER['PHP_SELF'] .'?'. $_SERVER['QUERY_STRING'];
        }
    }
//    echo $requestUri.'<br />';
    $scheme = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : "";
    $protocol = strstr(strtolower($_SERVER["SERVER_PROTOCOL"]), "/",true) . $scheme;
    $port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]);
    # 获取的完整url
    $_fullUrl = $protocol . "://" . $_SERVER['SERVER_NAME'] . $port . $requestUri;
    return $_fullUrl;
}

/**
     * 冒泡排序 (一维数组)(二维数组某个健排序)
     * 两两比较待排序数据元素的大小,发现两个数据元素的次序相反时即进行交换,直到没有反序的数据元素为止
     * 设想被排序的数组R[1..N] 垂直竖立,将每个数据元素看作有重量的气泡,从下往上扫描数组,凡扫描违反原则的轻气泡,就使其向上"漂浮".如此反复进行.
     * 直到最后任何两个气都是轻者在上,重者在下为止.
 */

function bubble_sort($array,$key=null) {
        $count = count($array);
        if($count < 0) {
            return false;
        }
        for($i = 0; $i < $count; $i++) {
            for($j = $count - 1; $j > $i; $j--) {
                if($key && isset($array[$key])){//二维数组健存在
                    if($array[$j][$key] < $array[$j - 1][$key]) {
                        $tmp = $array[$j];
                        $array[$j] = $array[$j - 1];
                        $array[$j - 1] = $tmp;
                    }
                }else{ //一维数组
                    if($array[$j] < $array[$j - 1]) {
                        $tmp = $array[$j];
                        $array[$j] = $array[$j - 1];
                        $array[$j - 1] = $tmp;
                    }
                }
            }
        }
        return $array;
    }

$data[] = array('volume' => 67, 'edition' => 2);
$data[] = array('volume' => 86, 'edition' => 1);
$data[] = array('volume' => 85, 'edition' => 6);
$data[] = array('volume' => 98, 'edition' => 2);
$data[] = array('volume' => 86, 'edition' => 6);
$data[] = array('volume' => 67, 'edition' => 7);
 
// 取得列的列表
foreach ($data as $key => $row) {
    $volume[$key]  = $row['volume'];
    $edition[$key] = $row['edition'];
}
 
// 将数据根据 volume 降序排列，根据 edition 升序排列
// 把 $data 作为最后一个参数，以通用键排序
array_multisort($volume, SORT_DESC, $edition, SORT_ASC, $data);
 
 
print_r($data);

执行后打印结果如下：

Array
(
    [0] => Array
        (
            [volume] => 98
            [edition] => 2
        )
    [1] => Array
        (
            [volume] => 86
            [edition] => 1
        )
    [2] => Array
        (
            [volume] => 86
            [edition] => 6
         
    [3] => Array
        (
            [volume] => 85
            [edition] => 6
        )
    [4] => Array
        (
            [volume] => 67
            [edition] => 2
        )
    [5] => Array
        (
            [volume] => 67
            [edition] => 7
        )
)