array
(
[0] => array
(
[0] => user-
[1] => notice-
)
[1] => array
(
[0] => user-
[1] => calendar-
[2] => calendar-
)
[2] => array
(
[0] => notice-
[1] => calendar-
)
)
想要的效果
array([0]=>'user-notice',[1]=>'user-calendar-calendar',[2]=>'user-calendar')
------解决方案--------------------
php codeforeach($arr as $v) $ar[]=substr(join('',$v),0,-1);print_r($ar);