array_key_last

Logo laravel/framework laravel/framework
Supported Versions: PHP 7 >= 7.3.0, PHP 8
Gets the last key of an array
array_key_last(array $array): int|string|null
                $this->oneOfManySubQuery = $subQuery;

            }



            if (array_key_last($columns) == $column) {

                $this->addOneOfManyJoinSubQuery($this->query, $subQuery, $column);

            }
src/Illuminate/Database/Eloquent/Relations/Concerns/CanBeOneOfMany.php