Pbootcms将日期时间转换成＂刚刚、几分钟、几小时前＂的形式

//转换日期
    private function transtime(){
        $pattern = '/\{transtime\s?\(([^\}]+)\)\}/';
        if (preg_match($pattern, $this->content, $matches)) {
            $this->content = preg_replace_callback(
                $pattern,
                function($matches){
                    $time = strtotime($matches[1]);
                    $otime = date("Y-m-d H:i",$time);
                    $rtime = date("m-d H:i",$time);
                    $htime = date("H:i",$time);
                    $time = time() - $time;
                    if ($time < 60){
                        $str = '刚刚';
                    }
                    elseif ($time < 60 * 60){
                        $min = floor($time/60);
                        $str = $min.'分钟前';
                    }elseif ($time < 60 * 60 * 24){
                        $h = floor($time/(60*60));
                        $str = $h.'小时前 '.$htime;
                    }elseif ($time < 60 * 60 * 24 * 3){
                        $d = floor($time/(60*60*24));
                        if($d==1)
                            $str = '昨天 '.$rtime;
                        else
                            $str = '前天 '.$rtime;
                    }else{
                        $str = $otime;
                    }
                    return $str;
                },
                $this->content);
        }
    }

/* 必备启动函数 */
    public function run($content)
    {
        // 接收数据
        $this->content = $content;      
        // 执行个人自定义标签函数
        $this->test();        
　　　　//转换日期
    $this->transtime();      
        // 返回数据
        return $this->content;
    }

//在文章内容里添加
{transtime({content:date})}

//在文章列表里添加
{pboot:list}
 {transtime([list:date])}
{/pboot:list}