Collection keyBy(callable|string $keyBy) Key an associative array by a field or using a callback. Parameters callable|string $keyBy Return Value Collection

array jsonSerialize() Convert the object into something JSON serializable. Return Value array

Collection keyBy(callable|string $keyBy) Key an associative array by a field or using a callback. Parameters callable|string $keyBy Return Value Collection

bool isEmpty() Determine if the collection is empty or not. Return Value bool

bool isEmpty() Determine if the collection is empty or not. Return Value bool

Collection intersect(mixed $items) Intersect the collection with the given items. Parameters mixed $items Return Value Collection

array jsonSerialize() Convert the object into something JSON serializable. Return Value array

string implode(string $value, string $glue = null) Concatenate values of a given key as a string. Parameters string $value string $glue Return Value string

string implode(string $value, string $glue = null) Concatenate values of a given key as a string. Parameters string $value string $glue Return Value string

Collection intersect(mixed $items) Intersect the collection with the given items. Parameters mixed $items Return Value Collection