[Help Wordpress] pull in video URL for custom slide markup

pull in video URL for custom slide markup

Look at that. I'm learning php (sorta). I figured it out. For anyone else trying to solve something similar:

/* this code will work if you just add it to your functions.php */

// Create PHP class that will hold methods
class MyRoyalSliderRendererHelper {
    private $post;
    private $options;

    function __construct( $data, $options ) {
        // $data variable holds WordPress post object only for Posts Slider
        // for other types sliders it holds just data associated with slide, print it to see what's inside
        $this->post = $data;

        // slider options (that you choose in right sidebar)
        $this->options = $options;
    }
    
    function hello_world() {
        return "Hello World!";
    }
    function post_id() {
        return $this->post->ID;
    }
    function my_video_url() {
     $videonum = $this->post->ID;
     return get_the_post_video_url( $videonum );
    }
}

/**
 * @param [object] $m Mustache_Engine object
 * @param [object] $data Object with slide data (for example for posts slider it's WordPress Post Object)
 * @param [object] $options Array of RoyalSlider options
 */
function newrs_add_custom_variables($m, $data, $options) {

    // initialize helper class
    $helper = new MyRoyalSliderRendererHelper($data, $options);

    // add {{hello_world}} variable that gets data from hello_world function of MyRoyalSliderRendererHelper class
    $m->addHelper('hello_world', array($helper, 'hello_world') );

    // same, but for post_id
    $m->addHelper('post_id', array($helper, 'post_id') );

    // my_video_url
    $m->addHelper('my_video_url', array($helper, 'my_video_url') );
}
add_filter('new_rs_slides_renderer_helper', 'newrs_add_custom_variables', 10, 4);

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