protected function getExtraParameterValueByKey($extraParameterKey, $defaultValue = null)
    {
        $extraParameters = $this->getPackage()->getExtra();

        $extraParameterValue = $extraParameters[static::EXTRA_PARAMETER_KEY_ROOT][$extraParameterKey] ?? null;

        return (!empty($extraParameterValue)) ? $extraParameterValue : $defaultValue;
    }
protected function getExtraParameterValueByKey($extraParameterKey, $defaultValue = null)
    {
        $extraParameters = $this->getPackage()->getExtra();

        $extraParameterValue = $extraParameters[static::EXTRA_PARAMETER_KEY_ROOT][$extraParameterKey] ?? null;

        return (!empty($extraParameterValue)) ? $extraParameterValue : $defaultValue;
    }
protected function getExtraParameterValueByKey ( $ extraParameterKey , $ defaultValue = null ) { $ extraParameters = $ this -> getPackage ( ) -> getExtra ( ) ; $ extraParameterValue = $ extraParameters [ static :: EXTRA_PARAMETER_KEY_ROOT ] [ $ extraParameterKey ] ?? null ; return ( ! empty ( $ extraParameterValue ) ) ? $ extraParameterValue : $ defaultValue ; }
Search for parameter with specific key in "extra" composer configuration block

@param string $extraParameterKey
@param string $defaultValue

@return array|string|null
Search for parameter with specific key in extra composer configuration block