WordPress shortcode that retrieves an ACF field named "video" and embeds a Vimeo video. Accepts either a full Vimeo URL or a numeric Vimeo ID and forces autoplay, muted, loop, and other player parameters. Responsive 16:9 output.

acf-vimeo-shortcode.php

// Shortcode: [acf_vimeo field="my_acf_video_field"]
function acf_vimeo_shortcode($atts) {

    $atts = shortcode_atts([
        'field' => 'video'
    ], $atts);

    $value = get_field($atts['field']);
    if (!$value) return '';

    $vimeo_id = '';

    // If numeric → ID
    if (is_numeric($value)) {
        $vimeo_id = $value;
    } else {
        if (preg_match('/vimeo\.com\/(?:video\/)?([0-9]+)/', $value, $matches)) {
            $vimeo_id = $matches[1];
        }
    }

    if (!$vimeo_id) return '';

    // Force parameters
    $params = http_build_query([
        'autoplay'  => 1,
        'loop'      => 1,
        'autopause' => 0,
        'color'     => '00adef',
        'portrait'  => 0,
        'byline'    => 1,
        'title'     => 1,
        'controls'  => 0,
        'muted'     => 1
    ]);

    $src = "https://player.vimeo.com/video/{$vimeo_id}?{$params}";

    return '<div class="acf-vimeo-wrapper" style="position:relative;padding-bottom:56.25%;height:0;overflow:hidden;">
                <iframe src="' . esc_url($src) . '" 
                        style="position:absolute;top:0;left:0;width:100%;height:100%;" 
                        frameborder="0" 
                        allow="autoplay; fullscreen; picture-in-picture" 
                        allowfullscreen>
                </iframe>
            </div>';
}

add_shortcode('acf_vimeo', 'acf_vimeo_shortcode');