php 设置静态内容缓存时间

$interval = 60 * 60 * 6; // 6 hours
header ("Last-Modified: " . gmdate ('r', $max));
header ("Expires: " . gmdate ("r", ($max + $interval)));
header ("Cache-Control: max-age=$interval");

function tree($directory)
{
 $mydir = dir($directory);
 echo "<ul>n";
 while($file = $mydir->read())
 {
  if((is_dir("$directory/$file")) AND ($file!=".") AND ($file!=".."))
  {
   echo "<li><font color="#ff00cc"><b>$file</b></font></li>n";
   tree("$directory/$file");
  }
  else
  echo "<li>$file</li>n";
 }
 echo "</ul>n";
 $mydir->close();
}
//开始运行

echo "<h2>目录为粉红色</h2><br>n";
tree("./nowamagic");

<?php
header("Content-Type:text/html;charset=gbk");
set_time_limit(0);
$dirpath=dirname(__FILE__);
//bytes
$limitByte=1024*110;
//这里改成你合适的查找文件最低大小，单位为字节。1024*100表示 1024*100字节，即100KB
$arrRes=$arrTmp=array();
showMaxFile($dirpath,$limitByte);
function showMaxFile($path,$limitByte){
global $arrRes;
$h=opendir($path);
if($h){
while (false !== ($file = readdir($h))) {
if($file!='.' && $file!='..'){
$cpath=$path.'/'.$file;
if(is_dir($cpath)){
showMaxFile($cpath,$limitByte);
}else{
if(filesize($cpath) > $limitByte){
$arrRes[]=array($cpath,round(filesize($cpath)/1024,1));
//echo "<p>{$cpath}<br />".(filesize($cpath) / 1024)."KB</p>";
}
}
}
}
 
}
closedir($h);
}
foreach($arrRes as $k=>$v){
$arrTmp[$k]=$v[1];
}
arsort($arrTmp);
foreach($arrTmp as $k=>$v){
echo "<p>".str_replace($dirpath,'',$arrRes[$k][0])."<br />".$arrRes[$k][1]."</p>";
}
?>

<?php
setcookie('test', 'sssss');
setcookie('xxx', 'www');

<?php

$url = 'http://localhost/test.php';

$ch = curl_init($url); //初始化
curl_setopt($ch,CURLOPT_HEADER,1); //将头文件的信息作为数据流输出
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); //返回获取的输出文本流
curl_setopt($ch, CURLOPT_HEADER, 1);
$string = curl_exec($ch);
preg_match_all('/Set-Cookie:stest=(.*)/i', $string, $results);
var_dump($results);

$url = "http://www.111cn.net/";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_jar);
$content = curl_exec($ch);
curl_close($ch);

define("TOKEN", "w3note");//定义识别码
$wechatObj = new wechatCallbackapiTest();//实例化wechatCallbackapiTest类

if(!isset($_GET["echostr"])){
     $wechatObj->responseMsg();
}else{
 $wechatObj->valid();
}
class wechatCallbackapiTest
{
 public function valid()
    {
        $echoStr = $_GET["echostr"];
      
        if($this->checkSignature()){
         echo $echoStr;
         exit;
        }
    }
    public function responseMsg()//执行接收器方法
    {

  $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

  if (!empty($postStr)){
              
               $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
      $RX_TYPE = trim($postObj->MsgType);
      switch($RX_TYPE){
       case "event":
       $result = $this->receiveEvent($postObj);
       breadk;
      }
      echo $result;
  }else{
   echo "";
   exit;
  }
 }
  private function receiveEvent($object){
   $content = "";
   switch ($postObj->Event){
    case "subscribe":
    $content = "欢迎关注网志博客";//这里是向关注者发送的提示信息
    break;
    case "unsubscribe":
    $content = "";
    break;
   }
   $result = $this->transmitText($object,$content);
   return $result;
 
    }
 private function transmitText($object,$content){
   $textTpl = "<xml>
       <ToUserName><![CDATA[%s]]></ToUserName>
       <FromUserName><![CDATA[%s]]></FromUserName>
       <CreateTime>%s</CreateTime>
       <MsgType><![CDATA[text]]></MsgType>
       <Content><![CDATA[%s]]></Content>
       <FuncFlag>0</FuncFlag>
       </xml>";
    $result = sprintf($textTpl, $object->FromUserName, $object->$ToUserName, time(), $content);
    return $result;
 
  }
 private function checkSignature()
 {
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];
        
  $token = TOKEN;
  $tmpArr = array($token, $timestamp, $nonce);
  sort($tmpArr, SORT_STRING);
  $tmpStr = implode( $tmpArr );
  $tmpStr = sha1( $tmpStr );
 
  if( $tmpStr == $signature ){
   return true;
  }else{
   return false;
  }
 }
}

<?php
/**
 * 隔行隔列换色
 * string fun_table(int $rows=9,int $cols=9)
 * $rows 表示行数 必须为整数 并且必须在1-20之间
 * $cols 表示列数 必须为整数 并且必须在1-20之间
 */
function fun_table($rows=9,$cols=9){
 if ($rows<1 || $rows>20){
  return "必须为整数 并且必须在1-20之间";
 }
 if ($cols<1 || $cols>20){
  return "必须为整数 并且必须在1-20之间";
 }
 if($rows!=(int)($rows)){
  return '行数 必须为整数';
 }

 if($cols!=(int)($cols)){
  return '列数 必须为整数';
 }
 $str="";
 $str.= "<table  cellspacing='0' width='500px' border = '1px' bordercolor='black'>";
 for ($i=1;$i<=$rows;$i++){
  $str.=  "<tr>";
   for ($j=1;$j<=$cols;$j++){ 
    if(($i+$j)%2){
     $str.=  "<td height='50px' bgcolor='black'>";
    }else{
     $str.=  "<td></td>";
   }
  }
 $str.=  "</tr>";
}
$str.=  "</table>";
return $str;
}
echo fun_table();
?>

<?php
/**
通过for循环和html实现棋盘
**/
echo "<table  cellspacing='0' width='500px' border = '1px' bordercolor='black'>";
for ($i=1;$i<=10;$i++){
    echo "<tr>";
    for ($j=1;$j<=10;$j++){   
        if(($i+$j)%2){
            echo "<td height='50px' bgcolor='black'>";
        }else{
            echo "<td></td>";
            }
        }
    echo "</tr>";
}
echo "</table>";
?>