Php remove specific item from array

- Php remove item from array
- Php remove item from array by value
- Php remove item from array by key
- Php remove item from array by index
- Php remove item from array in foreach
- Php remove first item from array
- Php remove last item from array
- Php remove empty item from array
- Php remove item from array and reindex
- Php remove single item from array