FB-share button does not show unless

function _getLikeButton($article, $buttonStyle, $showFacebook, $showFaces, $showShareButton, $showLinkedInButton, $showTwitterButton, $showGooglePlusButton, $showPinterestButton, $width, $verbToDisplay, $font, $colorScheme, $pinImage, $pinText, $renderKeyString, $isJoomla)
    {
        $url = SCArticleContent::getCurrentURL($article, $isJoomla);
        $widthField = '';
        $likeText = '';

        //Only set width for standard layout, not box_count or button_count
        if ($buttonStyle == 'standard')
            $widthField .= ' width=' . $width;

        //show like or with share button
        if($showFacebook)
        {
            $likeText .= '{JFBCLike layout=' . $buttonStyle . ' show_faces=' . $showFaces . ' share=' . $showShareButton
                . $widthField . ' action=' . $verbToDisplay . ' font=' . $font
                . ' colorscheme=' . $colorScheme . ' href=' . $url . $renderKeyString . '}';
        }

        //show share button only
        else if($showShareButton && !$showFacebook)
        {
            if($buttonStyle == 'standard' || $buttonStyle == 'button')
                $style = 'button';
            else if($buttonStyle == 'box_count')
                $style = 'box_count';
            else
                $style = 'button_count';

            $likeText .= '{JFBCShare layout=' . $style . $widthField . ' href=' . $url . $renderKeyString . '}';
        }

        $buttonText = '<div style="position: relative; top:0px; left:0px; z-index: 99;" class="scsocialbuttons '.$buttonStyle.'">';
        if ($showLinkedInButton || $showTwitterButton || $showGooglePlusButton || $showPinterestButton)
        {
            $extraButtonText = SCSocialUtilities::getExtraShareButtons($url, $buttonStyle, false, false, $showTwitterButton, $showGooglePlusButton, $renderKeyString, $showLinkedInButton, '50', $showPinterestButton, $pinImage, $pinText);
            $buttonText .= $extraButtonText;
        }
        $buttonText .= $likeText;
        $buttonText .= '</div><div style="clear:left"></div>';
        $likeText = $buttonText;

        return $likeText;
    }