Php array multidimensional key value

- Php multidimensional array add key value
- Php multidimensional array sort by key value
- Php multidimensional array search by key value
- Php filter multidimensional array by key value
- Php multidimensional array find key by value
- Php convert multidimensional array to key value pair
- Php sort multidimensional array by specific key value
- Php multidimensional array get value by key
- Php multidimensional array set value as key
- Php remove key value from multidimensional array
- Php multidimensional array get all values by key
- Php 'foreach multidimensional array key = $value
- Php order multidimensional array by key value
- Php merge multidimensional array by key value
- Php sort multidimensional array by key value descending