public function unset(string $key)
    {
        if (array_key_exists($key, $this->input)) {
            unset($this->input[$key]);
            unset($this->cache[$key]);
        }

        $item = &$this->input;

        foreach (explode('.', $key) as $segment) {
            if (! isset($item[$segment])) {
                return;
            }
            if (! is_array($item[$segment])) {
                unset($item[$segment]);
                break;
            }
            $item = &$item[$segment];
        }

        unset($this->cache[$key]);
    }
public function unset(string $key)
    {
        if (array_key_exists($key, $this->input)) {
            unset($this->input[$key]);
            unset($this->cache[$key]);
        }

        $item = &$this->input;

        foreach (explode('.', $key) as $segment) {
            if (! isset($item[$segment])) {
                return;
            }
            if (! is_array($item[$segment])) {
                unset($item[$segment]);
                break;
            }
            $item = &$item[$segment];
        }

        unset($this->cache[$key]);
    }
public function unset ( string $ key ) { if ( array_key_exists ( $ key , $ this -> input ) ) { unset ( $ this -> input [ $ key ] ) ; unset ( $ this -> cache [ $ key ] ) ; } $ item = & $ this -> input ; foreach ( explode ( '.' , $ key ) as $ segment ) { if ( ! isset ( $ item [ $ segment ] ) ) { return ; } if ( ! is_array ( $ item [ $ segment ] ) ) { unset ( $ item [ $ segment ] ) ; break ; } $ item = & $ item [ $ segment ] ; } unset ( $ this -> cache [ $ key ] ) ; }
Unsets a dotted key
@param  string $key
Unsets a dotted key