时间差函数

/*

 * 获取时间差处理

 * */

function dealTime($date) {

$str = time()-strtotime($date);

if($str <= 0){

return "1分钟前";

}else if($str <= 3600){

$str = ceil($str/60)+1;

return $str."分钟前";

}else if(($str > 3600) && ($str <= 86400)){

$str = ceil($str/3600)+1;

return $str."小时前";

}else{

$day = new DateTime($date);

return $day->format("H:i");

}

}