Php add item to start of array
- Php add item to end of array
- Php add item to first of array
- Php add item to front of array
- Php add item to middle of array
- Php add item to array
- Php add item to array first position
- Php add item to array at index
- Php add item to array if not exists
- Php add item to array with key
- Php add item to array in foreach loop