Php remove array by key

- Php array remove by key name
- Php remove array key by value
- Php array remove by keys
- Php remove array elements by key
- Php remove array key if value is empty
- Php remove array keys with empty values
- Php remove array key if exists
- Php remove duplicates from array by key value
- Php array remove duplicates by key
- Php remove object from array by key
- Php remove from multidimensional array by key
- Php remove element from array by key value
- Php array remove keys keep values
- Php array remove key and reindex
- Php array remove key value pair