我尝试使用$class->diff_time('2014-02-11',date("Y-m-d"))[0]['date']访问该值,但似乎无法转换数组中的对象。甚至这个表单函数()[table]也是显示数据的合法方法吗?看起来很不自然。
function diff_time($lowest,$highest){
/* input format @$lowest @$highest
Y-m-d
*/
$container = array();
$dStart = new DateTime($lowest);
$dEnd = new DateTime($highest);
$dDiff = $dStart->diff($dEnd);
$containser = array($dStart,$dEnd,$dDiff->days,$dDiff->format('%R'));
return $containser;
}
var_dump($class->diff_time('2014-02-11',date("Y-m-d")));
array(4) {
[0]=>
object(DateTime)#3 (3) {
["date"]=>
string(19) "2014-02-11 00:00:00"
["timezone_type"]=>
int(3)
["timezone"]=>
string(13) "Europe/Berlin"
}
[1]=>
object(DateTime)#4 (3) {
["date"]=>
string(19) "2014-11-05 00:00:00"
["timezone_type"]=>
int(3)
["timezone"]=>
string(13) "Europe/Berlin"
}
[2]=>
int(267)
[3]=>
string(1) "+"
}
print_r($class->diff_time('2014-02-11',date("Y-m-d"))[0]);
DateTime Object
(
[date] => 2014-02-11 00:00:00
[timezone_type] => 3
[timezone] => Europe/Berlin
)
似乎日期是对象的一个字段,所以请尝试
$class->diff_time('2014-02-11',date("Y-m-d"))[0]->date;