php cookie工作原理与cookie实例详解

$value="the best way is by yourself";

setcookie("cookiename",$value,time()+60*60*24*7);

setcookie("CookieArray[0]","Value1");

setcookie("CookieArray[1]","Value2");

setcookie("CookieArray['one']","Value1");

setcookie("CookieArray['two']","Value2");

<?php

setcookie("cookie[three]","cookiethree");

setcookie("cookie[two]","cookietwo");

setcookie("cookie[one]","cookieone");

//刷新页面后，显示出来

if(isset($_COOKIE['cookie'])){

foreach($_COOKIE['cookie']as$name=>$value){

echo"$name:$value<br/>n";

}

}

?>

setcookie(“MyCookie”,”Value”,time()-1);

<?php
$path = "/usr/www/html/index.php";
echo basename($path)."<br>";
//如果选择suffix则忽略扩展名
echo basename($path,".php");
?>

<?php
//——FILE__返回文件完整路径
$dir = dirname(__FILE__);
echo $dir;
?>

<?php
$path = "./exercise/php.txt";
$realpath = realpath($path);
echo $realpath;
?>

　　$array1 = array(1=>'0');
　　$array2 = array(1=> "data");
　    $result1 = $array2 + $array1;/*结果为$array2的值*/
　   print_r($result);
　   $result = $array1 + $array2 ;/*结果为$array1的值*/
　   print_r($result);
　   $result3 = array_merge($array2,$array1);/*结果为$array2和$array1的值，键名被重新分配*/
　   print_r($result3);
　   $result4 = array_merge($array1,$array2);/*结果为$array1和$array2的值，键名被重新分配*/
　   print_r($result4);

输出结果为：
Array ( [1] => data )
Array ( [1] => 0 )
Array (
[0] => data
[1] => 0
)
Array
(
[0] => 0
[1] => data
)

 $array1 = array('asd'=>'0');
　　$array2 = array('asd' => "data");
　 $result1 = $array2 + $array1;/*结果为$array2的值*/
　 print_r($result);
　   $result = $array1 + $array2 ;/*结果为$array1的值*/
　   print_r($result);
　   $result3 = array_merge($array2,$array1);/*结果为$array1*/
　   print_r($result3);
　   $result4 = array_merge($array1,$array2);/*结果为$array2*/
　   print_r($result4);

输出结果为：

Array ( [asd] => data )
Array ( [asd] => 0 )
Array ( [asd] => 0 )
Array ( [asd] => data )

<?php
//需要重组的数组
$arrar=array();
$array[]=array('ItemID' => 110126866896,'CategoryID'=>111);
$array[]=array('ItemID' => 120126866896,'CategoryID'=>112);
$array[]=array('ItemID' => 130126866896,'CategoryID'=>113);
$array[]=array('ItemID' => 140126866896,'CategoryID'=>114);
$array[]=array('ItemID' => 150126866896,'CategoryID'=>115);
$array[]=array('ItemID' => 160126866896,'CategoryID'=>116);
$array[]=array('ItemID' => 170126866896,'CategoryID'=>117);
$array[]=array('ItemID' => 118126866896,'CategoryID'=>111);
$array[]=array('ItemID' => 121126866896,'CategoryID'=>112);
$array[]=array('ItemID' => 132126866896,'CategoryID'=>113);
$array[]=array('ItemID' => 143126866896,'CategoryID'=>114);
$array[]=array('ItemID' => 154126866896,'CategoryID'=>115);
$array[]=array('ItemID' => 165126866896,'CategoryID'=>116);
$array[]=array('ItemID' => 176126866896,'CategoryID'=>117);
//数组根据分类进行重组
$newArray=array();
foreach($array as $val){
    $newArray[$val['CategoryID']][]=$val;
}
 
//删除原始数组释放空间
$array=null;
unset($array);
 
print_r($newArray);
 
?>

<?php
/**
 * SOCKET扩展函数
 * @copyright (c) 2013
 * @author Qiufeng <fengdingbo@gmail.com>
 * @link http://www.111cn.net
 * @version 1.0
 */
 
/**
 * Post Request
 *
 * @param string $url 
 * @param array $data
 * @param string $referer
 * @return array
 */
if ( ! function_exists('socket_post'))
{
 function socket_post($url, $data, $referer='')
 {
  if( ! is_array($data))
  {
   return;
  }
 
  $data = http_build_query($data);
  $url = parse_url($url);
 
  if ( ! isset($url['scheme']) || $url['scheme'] != 'http')
  {
   die('Error: Only HTTP request are supported !');
  }
 
  $host = $url['host'];
  $path = isset($url['path']) ? $url['path'] : '/';
 
  // open a socket connection on port 80 - timeout: 30 sec
  $fp = fsockopen($host, 80, $errno, $errstr, 30);
 
  if ($fp)
  {
   // send the request headers:
   $length = strlen($data);
   $POST = <<<HEADER
POST {$path} HTTP/1.1
Accept: text/plain, text/html
Referer: {$referer}
Accept-Language: zh-CN,zh;q=0.8
Content-Type: application/x-www-form-urlencodem
Cookie: token=value; pub_cookietime=2592000; pub_sauth1=value; pub_sauth2=value
User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.56 Safari/537.17
Host: {$host}
Content-Length: {$length}
Pragma: no-cache
Cache-Control: no-cache
Connection: closern
{$data}
HEADER;
   fwrite($fp, $POST);
   $result = '';
   while(!feof($fp))
   {
    // receive the results of the request
    $result .= fread($fp, 512);
   }
  }
  else
  {
   return array(
     'status' => 'error',
     'error' => "$errstr ($errno)"
     );
  }
 
  // close the socket connection:
  fclose($fp);
 
  // split the result header from the content
  $result = explode("rnrn", $result, 2);
 
  // return as structured array:
  return array(
    'status' => 'ok',
    'header' => isset($result[0]) ? $result[0] : '',
    'content' => isset($result[1]) ? $result[1] : ''
    );
 }
}
 
print_r(socket_post('http://www.111cn.net/', array('name='=>'qiufeng','password'=>md5('www.111cn.net'))));
/* e.g: socket_post('http://www.111cn.net', array('name='=>'qiufeng','password'=>md5('111cn.net'))); */
/* End of file socket_helper.php */

<?php
   
        $remote_server = "111cn.net";
 
        $boundary = "---------------------".substr(md5(rand(0,32000)),0,10);
        
        // Build the header
        $header = "POST /api.php?action=twupload HTTP/1.0rn";
        $header .= "Host: {$remote_server}rn";
        $header .= "Content-type: multipart/form-data, boundary=$boundaryrn";
 
        /*
        // attach post vars
        foreach($_POST AS $index => $value){
            $data .="--$boundaryrn";
            $data .= "Content-Disposition: form-data; name="".$index.""rn";
            $data .= "rn".$value."rn";
            $data .="--$boundaryrn";
        }
        */
        $file_name = "aaa.jpg";
        $content_type = "image/jpg";
 
        $data = '';
        // and attach the file
        $data .= "--$boundaryrn";
 
        $content_file = file_get_contents('aaa.jpg');
        $data .="Content-Disposition: form-data; name="userfile"; filename="$file_name"rn";
        $data .= "Content-Type: $content_typernrn";
        $data .= "".$content_file."rn";
        $data .="--$boundary--rn";
 
       $header .= "Content-length: " . strlen($data) . "rnrn";
                 // Open the connection
 
 
        $fp = fsockopen($remote_server, 80);
        // then just
        fputs($fp, $header.$data);
        // reader
 
    while (!feof($fp)) {
        echo fgets($fp, 128);
    }
 
fclose($fp);