PHP计算时间差 显示用户发表评论时间

<?php
header('Content-type: text/css');
ob_start("compress");
function compress($buffer) {
 $buffer = preg_replace('!/*[^*]**+([^/][^*]**+)*/!', '', $buffer);
 $buffer = str_replace(array("rn", "r", "n", "t", '  ', '    ', '    '), '', $buffer);
 return $buffer;
}
/*include('colorpicker.css');
include('jquery-ui.css');
include('style.css');
include('switchery.min.css');*/
foreach( glob( "*.css" ) as $filename ) include $filename;
ob_end_flush();

引入 CSS 文件的代码换成引入这个 PHP 文件，例如：

<link rel='stylesheet' id='style-css'  href='/css/css.php' type='text/css' media='all' />

<?php
/*
Compress multiple CSS files into one and cache for an hour.

Use the same code for Javascript, but replace below "text/css" with "text/javascript" and of course make sure you include .js files instead of .css ones.
*/  www.111cn.net
ob_start("ob_gzhandler");
header("Content-type: text/css; charset: UTF-8");    
header("Expires: ".gmdate("D, d M Y H:i:s", time() + 60*60)." GMT");

include('somefile.css');
echo "nn";
include('anotherfile.css');
echo "nn";

ob_flush();

/**
 * 合并css样式为一个文件
 *
 * @param unknown_type $urls
 * @param unknown_type $path
 * @param unknown_type $tmpl_path
 * @return unknown
 */
function parse_css($urls,$path="./static/",$tmpl_path='.'){
    $url = md5(implode(',',$urls));
    $css_url = $path.$url.'.css';
    if(!file_exists($css_url)){
        if(!file_exists($path))mkdir($path,0777);
        $css_content = '';
        foreach($urls as $url){
         $css_content .= @file_get_contents($url);
        }
        $css_content = preg_replace("/[rn]/",'',$css_content);
        $css_content = str_replace("../images/",$tmpl_path."/images/",$css_content);
        @file_put_contents($css_url,$css_content);
    }
    return $css_url;
}
/**
 * 合并js www.111cn.net为一个文件
 *
 * @param unknown_type $urls
 * @param unknown_type $path
 * @return unknown
 */
function parse_script($urls,$path="./static/"){
    $url = md5(implode(',',$urls));
    $js_url = $path.$url.'.js';
    if(!file_exists($js_url))
    {
        if(!file_exists($path))mkdir($path,0777);
        require_once "inc/javascriptpacker.php";
        $js_content = '';
        foreach($urls as $url)
        {
            $append_content = @file_get_contents($url)."rn";
            $packer = new JavaScriptPacker($append_content);
            $append_content = $packer->pack();
            $js_content .= $append_content;
        }
        @file_put_contents($js_url,$js_content);
    }
    return $js_url;
}
前台
js调用
<?php
$pagejs[] = $tplurl."js/jump.js";
$jsfile=parse_script($pagejs,"./template/default/js/",".");
?>
<script type="text/javascript" src="<?=$jsfile?>"></script>
css调用
<?php
$pagecss[] = $tplurl."style/index_top.css";
$pagecss[] = $tplurl."style/index.css";
$cssfile=parse_css($pagecss,"./template/default/style/",".");
?>
<link rel="stylesheet" type="text/css" href="<?=$cssfile?>" />

//加载类库文件
require_once 'path/to/ThumbLib.inc.php';

//实例化类库，传入你要处理的图片的地址可以是网络地址，也可以是本地地址
$thumb = PhpThumbFactory::create('http://www.111cn.net/');

//把图片等比缩小到最大宽度 100px或者最高100px，当只输入一个参数的时候，是限制最宽的尺寸。
$thumb->resize(100, 100);

//把图片等比缩小到原来的百分数，比如50就是原来的50%。
$thumb->resizePercent(50);

//截取一个175px * 175px的图片，注意这个是截取，超出的部分直接裁切掉，不是强制改变尺寸。
$thumb->adaptiveResize(175, 175);

//从图片的中心计算，截取200px * 100px的图片。
$thumb->cropFromCenter(200, 100);

//截图，前两个参数分别是需要解出的图片的右上角的坐标X,Y。 后面两个参数是需要解出的图片宽，高。
$thumb->crop(100, 100, 300, 200);

//把图片顺时针反转180度
$thumb->rotateImageNDegrees(180);

//保存（生成）图片,你可以保存其他格式，详细参考文档
$thumb->save( 'NewPath/Of/image.jpg ' );

<?php
    set_time_limit(0);
    $host="localhost";
    $port=1001;
     
    //创建一个连接
    $socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP)or die("cannot create socketn");
    //绑定socket到端口
    $result=socket_bind($socket,$host,$port) or die("cannot bind port to socketn");
    //开始监听这个端口
    $result=socket_listen($socket,4) or die("could not set up socket listenn");
    //接受连接，另一个socket来处理通信
    $msgsock=socket_accept($socket) or die("cannot accept incoming connectionn");
    if($msgsock){
        echo date("Y-m-d H:i:s D a");
    }
    //读取客户端发送过来的信息
    $input=socket_read($msgsock,1024) or die("cannot read inputn");
    $input=trim($input);
    $output=strrev($input)."顺序反过来了吧n";
    //对接收到的信息进行处理，然后返回到客户端
    socket_write($msgsock,$output,strlen($output)) or die("cannot write");
    //关闭socket连接
    socket_close($msgsock);
    socket_close($socket);
 
?>

<?php
    set_time_limit(0);
    $host="localhost";
    $port=1001;
     
    //创建一个socket
    $socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP)or die("cannot create socketn");
     
    $conn=socket_connect($socket,$host,$port) or die("cannot connect servern");
     
    if($conn){echo "client connect ok!";}
     
    socket_write($socket,"hello world!") or die("cannot write datan");
     
    $buffer=socket_read($socket,1024,PHP_NORMAL_READ);
     
    if($buffer){
        echo "response was:".$buffer."n";
    }          
    socket_close($socket);
?>