Nixe Rt_slider.php

<?php
/**
 *
 *  Shortcodes for RT Content Slider
 *
 */

if( ! function_exists("rt_slider") ){
    /**
     * RT Slider Holder
     * returns html ouput of the content slider
     *
     * @param  [array] $atts
     * @param  [string] $content
     * @return [string] $output
     */
    function rt_slider( $atts, $content = null ) {
        global $rt_slider_min_height;

        //defaults
        extract(shortcode_atts(array(
            "id"  => 'content-slider-'.rand(100000, 1000000),
            "min_height" => 300,
            "mobile_min_height" => 300,
            "autoplay" => true,
            "timeout" => 5000,
            "parallax" => false,
            "dots" => "true",
            "nav" => "true"
        ), $atts));

        //id
        $id = !empty( $id ) ? sanitize_html_class( $id ) : 'slider-dynamicID-'.rand(100000, 1000000);

        //min height
        $rt_slider_min_height = (double) $min_height;

        //parallax
        $parallax = $parallax === "true" ? "true" : "false";

        //autoplay
        $autoplay = $autoplay === "true" ? "true" : "false";

        //get slides
        ob_start();
        echo (do_shortcode($content));
        $get_slides = ob_get_contents();
        ob_end_clean();

        //dots holder
        $dots_holder = ( $dots == "true" ) ? sprintf('
                <div id="%1$s-dots" class="dots-holder">
                </div>
            ', $id) : "";


        //create the slider holder
        $output = '<div id="'.$id.'" class="rt-carousel main-carousel carousel-holder clearfix" data-item-width="1" data-mobile-height="'.intval($mobile_min_height).'" data-nav="'.$nav.'" data-dots="'.$dots.'" data-parallax="'.$parallax.'" data-timeout="'.$timeout.'" data-autoplay="'.$autoplay.'">'."\n";
        $output .= '<div class="owl-carousel">'."\n";
        $output .= $get_slides;
        $output .= '</div>'."\n";
        $output .= $dots_holder."\n";
        $output .= '</div>'."\n";

        return $output;


    }
}
add_shortcode('rt_slider', 'rt_slider');


if( ! function_exists("rt_slide") ){
    /**
     * RT Slide
     * returns html ouput of a slide
     *
     * @param  [array] $atts
     * @param  [string] $content
     * @return [string] $output
     */
    function rt_slide( $atts, $content = null ) {
        global $rt_slider_min_height;

        //defaults
        extract(shortcode_atts(array(
            "class" => '',
            "content_width" => 40,
            "content_bg_color" => "",
            "content_wrapper_width" => "default",
            "content_color_schema" => "",
            "content_align" =>  "right",
            "text_align" =>  "left",
            'bg_color' => '',
            'bg_image' => '',
            'bg_image_repeat' => '',
            'bg_position' => '',
            'bg_size' => '',
            'top_margin' => '',
            'mobile_top_margin' => '',
            'link'=> '',
            'link_target'=> '_self',
            'link_title'=> '',


            "button_text"   => '',
            "button_icon"   => '',
            "button_link"   => '',
            "button_link_target"   => '',
            "button_size"   => 'small',
            "button_style"  => 'color',
            "button_href_title" => "",


            "button2_text"  => '',
            "button2_icon"  => '',
            "button2_link"  => '',
            "button2_link_target"   => '',
            "button2_size"  => 'small',
            "button2_style" => 'color',
            "button2_href_title" => "",

            "heading"   => '',
            "heading_font_size"   => '',
            "heading_line_height"   => '',
            "mobile_heading_font_size"   => '',
            "mobile_heading_line_height"   => '',

            "sub_heading"   => '',
            "sub_heading_font_size"   => '',
            "sub_heading_line_height"   => '',
            "mobile_sub_heading_font_size"   => '',
            "mobile_sub_heading_line_height"   => '',
        ), $atts));

        $style_output = $content_style_output = $content_class = $content_wrapper_style = $background_output = "";

        //get slide content
        ob_start();
        echo do_shortcode(rt_visual_composer_content_fix($content));
        $get_slide_content = ob_get_contents();
        $get_slide_content = ! empty( $get_slide_content ) ? '<div class="slide-text">'.$get_slide_content.'</div>' : "";
        ob_end_clean();


        //heading output
        $heading_style = ! empty( $heading_font_size ) ? ' font-size:'.intval($heading_font_size).'px;' : "";
        $heading_style .= ! empty( $heading_line_height ) ? ' line-height:'.$heading_line_height.'' : "";
        $heading_style = ! empty( $heading_style ) ? 'style="'.trim($heading_style).'"' : "";

        $mobile_heading_font_size = ! empty( $mobile_heading_font_size ) ? 'data-mobile-value="'.intval($mobile_heading_font_size).'"' : 'data-mobile-value="28"';
        $mobile_heading_line_height = ! empty( $mobile_heading_line_height ) ? 'data-mobile-line-height="'.intval($mobile_heading_line_height).'%"' : 'data-mobile-line-height="1.5"';


        $heading_output =  ! empty( $heading ) ? '<h2 class="slide_heading" '. $heading_style .' '.$mobile_heading_font_size.' '.$mobile_heading_line_height.'>'.$heading.'</h2>' : "";

        //sub heading output
        $sub_heading_style = ! empty( $sub_heading_font_size ) ? ' font-size:'.intval($sub_heading_font_size).'px;' : "";
        $sub_heading_style .= ! empty( $sub_heading_line_height ) ? ' line-height:'.$sub_heading_line_height.'' : "";
        $sub_heading_style = ! empty( $sub_heading_style ) ? 'style="'.trim($sub_heading_style).'"' : "";


        $mobile_sub_heading_font_size = ! empty( $mobile_sub_heading_font_size ) ? 'data-mobile-value="'.intval($mobile_sub_heading_font_size).'"' : 'data-mobile-value="22"';
        $mobile_sub_heading_line_height = ! empty( $mobile_sub_heading_line_height ) ? 'data-mobile-line-height="'.intval($mobile_sub_heading_line_height).'%"' : 'data-mobile-line-height="1"';

        $sub_heading_output =  ! empty( $sub_heading ) ? '<span class="slide_sub_heading secondary-font"  '. $sub_heading_style .'  '.$mobile_sub_heading_font_size.' '.$mobile_sub_heading_line_height.'>'.$sub_heading.'</span>' : "";


        //button 1
        $button_format = '
            [button
                button_size = "'.$button_size.'"
                button_text = "'.$button_text.'"
                button_link = "'.$button_link.'"
                button_icon = "'.$button_icon.'"
                button_style = "'.$button_style.'"
                href_title = "'.$button_text.'"
                link_open = "'.$link_target.'"
                wrapper_class="button-1"
            ]
        ';

        $button_output =  ! empty( $button_text ) ? do_shortcode($button_format) : "";

        //button 2
        $button2_format = '
            [button
                button_size = "'.$button2_size.'"
                button_text = "'.$button2_text.'"
                button_link = "'.$button2_link.'"
                button_icon = "'.$button2_icon.'"
                button_style = "'.$button2_style.'"
                href_title = "'.$button2_text.'"
                link_open = "'.$link_target.'"
                wrapper_class="button-2"
            ]
        ';

        $button2_output =  ! empty( $button2_text ) ? do_shortcode($button2_format) : "";


        //css class
        $class = ! empty( $class ) ? sanitize_html_class( $class ) : "";

        //color schema
        $class .= ! empty( $content_color_schema ) ? " ".sanitize_html_class( $content_color_schema ) : "";

        //bg values
        if( ! empty( $bg_image ) ){

            $bg_image = rtframework_get_attachment_image_src($bg_image);

            //background image
            $background_output  .= 'background-image: url('.$bg_image.');';

            //background repeat
            $background_output  .= ! empty( $bg_image_repeat ) ? 'background-repeat: '.$bg_image_repeat.';': "";

            //background size
            $background_output  .= ! empty( $bg_size ) ? 'background-size: '.$bg_size.';': "";

            //background attachment
            //$style_output  .= ! empty( $bg_attachment ) ? 'background-attachment: '.$bg_attachment.';': "";

            //background position
            $background_output  .= ! empty( $bg_position ) ? 'background-position: '.$bg_position.';': "";
        }

        //background color
        $background_output  .= ! empty( $bg_color ) ? 'background-color: '.$bg_color.';': "";

        //height
        $style_output  .= ! empty( $rt_slider_min_height ) ? 'min-height: '.intval($rt_slider_min_height).'px;': "";

        //wrapper height
        $content_wrapper_style  .= ! empty( $rt_slider_min_height ) ? 'min-height: '.intval($rt_slider_min_height).'px;': "";

        //content width
        $content_style_output  .= ! empty( $content_width ) ? 'width: '.$content_width.'%;': "";

        //background color
        $content_style_output  .= ! empty( $content_bg_color ) ? 'background-color: '.$content_bg_color.';': "";


        //content align
        $content_class .= ! empty( $content_align ) ? " {$content_align}":"";

        //content top margin
        $content_style_output  .= $content_align == "center" ? 'left: '.((100-$content_width)/2).'%;': "";


        //text align
        $content_class .= ! empty( $text_align ) ? " text-{$text_align}":"";

        //content top margin
        $content_style_output  .= ! empty( $top_margin ) ? 'margin-top: '.intval($top_margin).'px;': "";

        //content top margin mobile
        $content_data = ! empty( $mobile_top_margin ) ? ' data-mobile-top-margin= "'.intval($mobile_top_margin).'"': "";


        //style outputs
        $style_output = ! empty( $style_output ) ? 'style="'.$style_output.'"' : "";
        $content_style_output = ! empty( $content_style_output ) ? 'style="'.$content_style_output.'"' : "";
        $content_wrapper_style_output = ! empty( $content_wrapper_style ) ? 'style="'.$content_wrapper_style.'"' : "asads";

        $link_output = ! empty( $link ) ? '<a href="'.esc_url($link).'" target="'.$link_target.'" title="'.sanitize_text_field( $link_title ).'"></a>' : "";


        if (empty($heading_output)&&empty($sub_heading_output)&&empty($get_slide_content)) {
            return sprintf('
            <div class="item has-bg-image %1$s" %2$s>
                %3$s
                    <div class="slide-background" style="%4$s"></div>
            </div>',
            $class,
            $style_output,
            $link_output,
            $background_output
            );
        }
        else {
            return sprintf('
            <div class="item has-bg-image %1$s" %2$s>
                %3$s
                <div class="slide-content-wrapper %4$s clearfix" %13$s>
                    <div class="slide-content %5$s" %6$s%12$s>
                        %7$s
                        %8$s
                        %9$s
                        %10$s
                        %11$s
                    </div>
                </div>
                <div class="slide-background" style="%14$s"></div>
            </div>',
            $class,
            $style_output,
            $link_output,
            $content_wrapper_width,
            $content_class,
            $content_style_output,
            $heading_output,//7
            $sub_heading_output,
            $get_slide_content,//9
            $button_output,
            $button2_output,
            $content_data,//12
            $content_wrapper_style_output,
            $background_output
            );
        }
    }
}

add_shortcode('rt_slide', 'rt_slide');