php数据问题，请教高手！
有这样一个数组：
Array<br />(<br /> [0] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 39.9289<br /> [longitude] => 116.3883<br /> )<br /><br /> [1] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 42<br /> [longitude] => 43.5<br /> )<br /><br /> [2] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 38.9122<br /> [longitude] => 121.6022<br /> )<br /><br /> [3] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 40.5525<br /> [longitude] => -74.2915<br /> )<br /><br /> [4] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 40.5525<br /> [longitude] => -74.2915<br /> )<br /><br /> [5] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 38.9122<br /> [longitude] => 121.6022<br /> )<br /><br /> [6] => Array<br /> (<br /> [time] => 1382060855000<br /> [day] => 2013-10-18<br /> [latitude] => 38.9122<br /> [longitude] => 121.6022<br /> )<br />)
