How to raname some specific key name in a multidimensional array - php

Question

there
I have a question in array manipulate.
I have a source array like this
array:6 [
0 => array:13 [
"id" => 1
"name" => "companyName"
"code" => "1"
"orderNumber" => 1
"enabled" => true
"createSpace" => false
"description" => "description"
"lft" => 1
"lvl" => 0
"rgt" => 4
"createdAt" => DateTime {#911
+"date": "2017-05-04 01:51:22.000000"
+"timezone_type": 3
+"timezone": "Asia/Shanghai"
}
"updatedAt" => DateTime {#909
+"date": "2017-05-04 01:51:22.000000"
+"timezone_type": 3
+"timezone": "Asia/Shanghai"
}
"children" => array:1 [
0 => array:13 [
"id" => 7
"name" => "departmentName"
"code" => "7"
"orderNumber" => 7
"enabled" => true
"createSpace" => false
"description" => null
"lft" => 2
"lvl" => 1
"rgt" => 3
"createdAt" => DateTime {#914
+"date": "2017-05-09 05:36:55.000000"
+"timezone_type": 3
+"timezone": "Asia/Shanghai"
}
and now I use array_map function to rename the key name for my requirement, "name" to "text",
PHP code is here
$trees = array_map(function($tree) {
return array(
'id' => $tree['id'],
'text' => $tree['name'],
'children' => $tree['children']
);
}, $trees);
and the result is
array:6 [
0 => array:3 [
"id" => 1
"text" => "departmentName"
"children" => array:1 [
0 => array:13 [
"id" => 7
"name" => "departmentName"
"code" => "7"
"orderNumber" => 7
"enabled" => true
"createSpace" => false
"description" => null
"lft" => 2
"lvl" => 1
"rgt" => 3
"createdAt" => DateTime {#914
+"date": "2017-05-09 05:36:55.000000"
+"timezone_type": 3
+"timezone": "Asia/Shanghai"
}
"updatedAt" => DateTime {#903
+"date": "2017-05-09 05:36:55.000000"
+"timezone_type": 3
+"timezone": "Asia/Shanghai"
}
"children" => []
]
]
]
1 => array:3 [
"id" => 2
"text" => "departmentName"
"children" => []
]
2 => array:3 [
"id" => 3
"text" => "departmentName"
"children" => []
]
3 => array:3 [
"id" => 4
"text" => "departmentName"
"children" => []
]
4 => array:3 [
"id" => 5
"text" => "departmentName"
"children" => []
]
5 => array:3 [
"id" => 6
"text" => "departmentName"
"children" => []
]
]
as you can see, it's not work in the sub array that's in the "children" key, how could I change it with the unknown multidimensional array. Thank you.

Answer 1

add new key-value pair to your array, then remove the old pair. refer here
$arr[$newkey] = $arr[$oldkey];
unset($arr[$oldkey]);