php获取当前页面完整url地址实例

// 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
        )
)

<?php

//匹配时间格式为2012-02-16或2012-02-16 23:59:59前面为0的时候可以不写
$time = "2012-02-16 23:59:59";
$patten = "/^d{4}[-](0?[1-9]|1[012])[-](0?[1-9]|[12][0-9]|3[01])(s+(0?[0-9]|1[0-9]|2[0-3]):(0?[0-9]|[1-5][0-9]):(0?[0-9]|[1-5][0-9]))?$/";
if (preg_match ( $patten, $time )) {
   echo $timestro = strtotime ( $time );
  } else {
   echo "error";
  }
?>

/^d{4}[-](0?[1-9]|1[012])[-](0?[1-9]|[12][0-9]|3[01])(s+(0?[0-9]|[12][0-3]):(0?[0-9]|[1-5][1-9]):(0?[0-9]|[1-5][1-9]))?$/

<meta charset='utf-8'>
<pre>
<?php
$str="嘿嘿2010/07/08 12:31:56哈哈1999/12/31 13:21:45";
$str2="嘿嘿2010-07-08 12:31:56哈哈1999-12-31 13:21:45";
//仅匹配日期
preg_match_all("/d{4}/d{2}/d{2}/", $str, $arr);
preg_match_all("/d{4}-d{2}-d{2}/", $str2, $arr2);
//匹配日期与时间
preg_match_all("/d{4}/d{2}/d{2}sd{2}:d{2}:d{2}/", $str, $arr3);
preg_match_all("/d{4}-d{2}-d{2}sd{2}:d{2}:d{2}/", $str2, $arr4);
echo '<font color="red">匹配日期</font><br>';
print_r($arr);
print_r($arr2);
echo '<font color="red">匹配日期和时间</font><br>';
print_r($arr3);
print_r($arr4);
?>
</pre>

/*二维数组按指定的键值排序*/
function array_sort($array,$keys,$type='asc'){
 if(!isset($array) || !is_array($array) || empty($array)){
  return '';
 }
 if(!isset($keys) || trim($keys)==''){
  return '';
 }
 if(!isset($type) || $type=='' || !in_array(strtolower($type),array('asc','desc'))){
  return '';
 }
 $keysvalue=array();
 foreach($array as $key=>$val){
  $val[$keys] = str_replace('-','',$val[$keys]);
  $val[$keys] = str_replace(' ','',$val[$keys]);
  $val[$keys] = str_replace(':','',$val[$keys]);
  $keysvalue[] =$val[$keys];
 }
 asort($keysvalue); //key值排序
 reset($keysvalue); //指针重新指向数组第一个
 foreach($keysvalue as $key=>$vals) {
  $keysort[] = $key;
 }
 $keysvalue = array();
 $count=count($keysort);
 if(strtolower($type) != 'asc'){
  for($i=$count-1; $i>=0; $i--) {
   $keysvalue[] = $array[$keysort[$i]];
  }
 }else{
  for($i=0; $i<$count; $i++){
   $keysvalue[] = $array[$keysort[$i]];
  }
 }
 return $keysvalue;
}

array_sort($a,'price');