libphonenumber\NumberFormat::toArray PHP Method

    public function toArray()
    {
        $output = array();
        $output['pattern'] = $this->getPattern();
        $output['format'] = $this->getFormat();
        $output['leadingDigitsPatterns'] = $this->leadingDigitPatterns();
        if ($this->hasNationalPrefixFormattingRule()) {
            $output['nationalPrefixFormattingRule'] = $this->getNationalPrefixFormattingRule();
        }
        if ($this->hasDomesticCarrierCodeFormattingRule()) {
            $output['domesticCarrierCodeFormattingRule'] = $this->getDomesticCarrierCodeFormattingRule();
        }
        $output['nationalPrefixOptionalWhenFormatting'] = $this->isNationalPrefixOptionalWhenFormatting();
        return $output;
    }