PHP面试题之小杂鱼，php面试题_PHP教程

<span>/*</span><span>*
* 题目:最少代码实现求3个数的最大值
* 三目运算符实现
</span><span>*/</span>
<span>function</span> getMax(<span>$a</span>,<span>$b</span>,<span>$c</span><span>){
        </span><span>return</span>  (<span>$a</span> > <span>$b</span>) ? ( (<span>$a</span> > <span>$c</span>) ? <span>$a</span> : <span>$c</span> ) : ( (<span>$b</span> > <span>$c</span>) ? <span>$b</span> : <span>$c</span><span> );
}
</span><span>echo</span> getMax(3,9,6)

<span>/*</span><span>*
* 题目:打印前一天的时间  格式:2015年10月15日 11:09:33
* strtotime函数使用 
* strtotime("now")  
* strtotime("-1 day");
* strtotime("+1 day");
* strtotime("+2 days");
* strtotime("+1 week");
* strtotime("+1 month");
* strtotime("+2 hours");
* strtotime("next Monday");
* strtotime("last Monday");
* strtotime("+1 week 3 days 7 hours 5 seconds");
</span><span>*/</span><span>
date_default_timezone_set(</span>"PRC"<span>);
</span><span>echo</span>  <span>date</span>("Y-m-d H:i:s",<span>strtotime</span>("-1 day"));