I need to group array by its sub array value.
just came through this link.
But here sub array value having keys. In my case we don't have key. Only indexed keys. Below is my array
Array
(
[0] => Array
(
[0] => 14. Remarketing Bengaluru
[1] => RM Web
[2] => Ludhiana
**[3] => Display Only**
[4] => INR
[5] => 6
)
[1] => Array
(
[0] => 12. Other Search ROTN
[1] => 01. Eye glass Shapes
[2] => Tiruchirappalli
**[3] => Search Only**
[4] => INR
[5] => 144
)
[2] => Array
(
[0] => 10. Brand ROTN
[1] => 03. Brand + Keywords
[2] => Erode
**[3] => Search Only**
[4] => INR
[5] => 24
)
[3] => Array
(
[0] => 11. Competitors ROTN
[1] => 02. Titan Eye Plus
[2] => Thoothukudi
**[3] => Search Only**
[4] => INR
[5] => 1
)
[4] => Array
(
[0] => 14. Remarketing Bengaluru
[1] => RM Web
[2] => Chandigarh
**[3] => Display Only**
[4] => INR
[5] => 6
)
)
Expected:
Needs to group above array with starred value. Eg. Need to group array with array indexed key 3.
Grouped array should be like Display Only, Search Only