PHP之time

<span><span><?php</span><span>//可以从服务器获取时区信息</span><span>$timeZone</span> =  ini_get(<span>'date.timezone'</span>);
<span>$dtz</span> = <span>new</span> DateTimeZone(<span>$timeZone</span>);
<span>//可以使用now表示当前时间</span><span>$dt</span> = <span>new</span> DateTime(<span>"now"</span>,<span>$dtz</span>);
<span>//format进行格式化时间</span><span>echo</span><span>"data : "</span>.<span>$dt</span>->format(<span>"Y-m-d  h:i:s"</span>);</span>

<span>//同样也可以使用diff()获得两个时间的时间差</span><span>$start_time</span><span>=</span><span>new</span> DateTime(<span>"2016-7-9 22:00:00"</span>,<span>$dtz</span>);
<span>$difference</span><span>=</span><span>$start_time</span><span>-></span>diff(<span>$dt</span>);
echo <span>$difference</span><span>-></span>format(<span>'%y-%m-%d %h:%i:%s'</span>);
<span>//</span><span>data</span> : <span>2016</span><span>-</span><span>07</span><span>-</span><span>10</span><span>12</span>:<span>55</span>:<span>36</span><span>0</span><span>-</span><span>0</span><span>-</span><span>0</span><span>2</span>:<span>55</span>:<span>36</span>