{{-- Requires an iframe as video variable, from ACF --}}
@php
    // Use preg_match to find iframe src.
    preg_match('/src="(.+?)"/', $video, $matches);
    $src = $matches[1];
    $marginTop = $marginTop ?? false; 

    // Add extra parameters to src and replcae HTML.
    $params = array(
        'rel'  => 0,
    );
    $new_src = add_query_arg($params, $src);
    $video = str_replace($src, $new_src, $video);

    // Add extra attributes to iframe HTML.
    $video = str_replace('></iframe>', ' ' . $attributes . '></iframe>', $video);
@endphp

<div class="partial-iframe-video__container @if($marginTop) partial-iframe-video__container-margin-top @endif">
    {!! $video !!}
</div>