实际应该是这样的。
array(
1=> array(
"12"=>array("name"=>"aaaa","age"=>15),
"15"=>array(("name"=>"bbbb","age"=>15)
),
2=> array(
"13"=>array("name"=>"cccc","age"=>15),
"18"=>array(("name"=>"dddd","age"=>15)
),
3=> array()
)
进行数组合并.合并成
array (
"12"=>array("name"=>"aaaa","age"=>15),
"15"=>array(("name"=>"bbbb","age"=>15),
"13"=>array("name"=>"cccc","age"=>15),
"18"=>array(("name"=>"dddd","age"=>15) )
array(
1=> array(
"12"=>array("name"=>"aaaa","age"=>15),
"15"=>array(("name"=>"bbbb","age"=>15)
),
2=> array(
"13"=>array("name"=>"cccc","age"=>15),
"18"=>array(("name"=>"dddd","age"=>15)
),
3=> array()
)
进行数组合并.合并成
array (
"12"=>array("name"=>"aaaa","age"=>15),
"15"=>array(("name"=>"bbbb","age"=>15),
"13"=>array("name"=>"cccc","age"=>15),
"18"=>array(("name"=>"dddd","age"=>15) )
$ar = array(
1=> array(
"12"=>array("name"=>"aaaa","age"=>15),
"15"=>array("name"=>"bbbb","age"=>15)
),
2=> array(
"13"=>array("name"=>"cccc","age"=>15),
"18"=>array("name"=>"dddd","age"=>15)
),
3=> array()
);$result = array();
foreach($ar as $v) foreach($v as $k => $vv) $result[$k] = $vv;
/*
Array
(
[12] => Array
(
[name] => aaaa
[age] => 15
)
[15] => Array
(
[name] => bbbb
[age] => 15
) [13] => Array
(
[name] => cccc
[age] => 15
)
[18] => Array
(
[name] => dddd
[age] => 15
)
)
*/