PhpBrew\BuildSettings\BuildSettings::disableVariant PHP Method

    public function disableVariant($name)
    {
        $this->disabledVariants[$name] = true;
    }

 public function testSetExtraOptions()
 {
     $settings = new BuildSettings();
     $settings->enableVariant('sqlite', true);
     $settings->enableVariant('curl', 'yes');
     $settings->disableVariant('dom', true);
     is(null, $settings->getVariant('posix'));
     is(true, $settings->getVariant('sqlite'));
     is('yes', $settings->getVariant('curl'));
 }