protected function echoPageLeader(): void
  {
    echo '<!DOCTYPE html>';
    echo Html::generateTag('html',
                           ['xmlns'    => 'http://www.w3.org/1999/xhtml',
                            'xml:lang' => Abc::$babel->getCode(),
                            'lang'     => Abc::$babel->getCode()]);
    echo '<head>';

    // Echo the meta tags.
    Abc::$assets->echoMetaTags();

    // Echo the title of the XHTML document.
    Abc::$assets->echoPageTitle();

    // Echo style sheets (if any).
    Abc::$assets->echoCascadingStyleSheets();

    echo '</head><body>';
  }
protected function echoPageLeader(): void
  {
    echo '<!DOCTYPE html>';
    echo Html::generateTag('html',
                           ['xmlns'    => 'http://www.w3.org/1999/xhtml',
                            'xml:lang' => Abc::$babel->getCode(),
                            'lang'     => Abc::$babel->getCode()]);
    echo '<head>';

    // Echo the meta tags.
    Abc::$assets->echoMetaTags();

    // Echo the title of the XHTML document.
    Abc::$assets->echoPageTitle();

    // Echo style sheets (if any).
    Abc::$assets->echoCascadingStyleSheets();

    echo '</head><body>';
  }
protected function echoPageLeader ( ) : void { echo '<!DOCTYPE html>' ; echo Html :: generateTag ( 'html' , [ 'xmlns' => 'http://www.w3.org/1999/xhtml' , 'xml:lang' => Abc :: $ babel -> getCode ( ) , 'lang' => Abc :: $ babel -> getCode ( ) ] ) ; echo '<head>' ; // Echo the meta tags. Abc :: $ assets -> echoMetaTags ( ) ; // Echo the title of the XHTML document. Abc :: $ assets -> echoPageTitle ( ) ; // Echo style sheets (if any). Abc :: $ assets -> echoCascadingStyleSheets ( ) ; echo '</head><body>' ; }
Echos the XHTML document leader, i.e. the start html tag, the head element, and start body tag.
Echos the XHTML document leader i . e . the start html tag the head element and start body tag .