时间格式转换小工具函数

gistfile1.txt

<?php
class Util_time{
public function __coustruct(){}
	 /**
 	  * 计算两个时间戳相隔多少天 小时 分钟 秒 传入秒
	  */

    public function timediff($begin_time,$end_time) { 
         if($begin_time < $end_time){ 
            $starttime = $begin_time; 
            $endtime = $end_time; 
         } 
         else{ 
            $starttime = $end_time; 
            $endtime = $begin_time; 
         } 
         $timediff = $endtime-$starttime; 
         $days = intval($timediff/86400); 
         $remain = $timediff%86400; 
         $hours = intval($remain/3600); 
         $remain = $remain%3600; 
         $mins = intval($remain/60); 
         $secs = $remain%60; 
         $res = array("day" => $days,"hour" => $hours,"min" => $mins,"sec" => $secs); 
         return $res; 
    }
    public function count_time($time) {

         $time = $this->timediff(strtotime($time), time());

         $last_time = '';
         if($time['day'] != 0 ) {
             $last_time = $time['day'].'天';
         }
         if($time['hour'] != 0 ) {
             $last_time = $last_time.$time['hour'].'小时';   
         } 
         if($time['min'] != 0 ) {
             $last_time = $last_time.$time['min'].'分钟';     
         }
         if($time['sec'] != 0 ) {
             $last_time = $last_time.$time['sec'].'秒';
         } 
         return $last_time;
    }

    /**
      * 调整时间为XX分钟前
      */
     
    public function date_ajust($time) {
         $time_diff = $this->timediff(time(), strtotime($time));

         $out_time = '';
         if( $time_diff['day'] == 0 && $time_diff['hour'] == 0) {
           $out_time= $time_diff['min'].'分钟前';
         } else if ( $time_diff['day'] == 0 && $time_diff['hour'] != 0) {
           $out_time = '今天'.date('H:i', strtotime($time));
         }  else {
           $out_time = date('m-d H:i', strtotime($time));
         }
         return $out_time;
    }
    
	
}