src/Flintstone.php
public function delete(string $key)
    {
        Validation::validateKey($key);

        if ($this->get($key) !== false) {
            $this->replace($key, false);
        }
    }
public function delete(string $key)
    {
        Validation::validateKey($key);

        if ($this->get($key) !== false) {
            $this->replace($key, false);
        }
    }
Delete a key from the database.

@param string $key