[Help Wordpress] Custom variable for link target not working

Custom variable for link target not working

Hi,

I'm trying to add a custom variable for my images. It's the link target (_blank, etc...) when users enter a link in the slide.

This code is present in my functions.php :

class MyRoyalSliderRendererHelper {
    private $post;
    private $options;

    function __construct( $data, $options ) {
        $this->post = $data;
        $this->options = $options;
    }
    
    function link_target() {
        return $data->link_target;
    }

}

function newrs_add_custom_variables($m, $data, $options) {

    $helper = new MyRoyalSliderRendererHelper($data, $options);
    print_r( $data );
    $m->addHelper('link_target', array($helper, 'link_target') );

}]
add_filter('new_rs_slides_renderer_helper', 'newrs_add_custom_variables', 10, 4);

I added this code to NewRoyalSliderGallery.php :

         $out .= NewRoyalSliderOptions::get_field_html( array(
                        'name' => 'link_target',
                        'label' => __( 'Link Target', 'new_royalslider' ),
                        'desc' => __( 'Target of the link (_blank = new page)', 'new_royalslider' ),
                        'type' => 'text',
                        'default' => isset($slide_data['link_target']) ? $slide_data['link_target'] : ''
                ),'slides' );

And of course, I added {{link_target}} to the slide markup.

And... it's not working... even the print_r is not displaying on the page!

What am I doing wrong?

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