WP 3.5 and Galleries – how to count images?

by

This works:

$images = get_children( array(
    'post_parent' => $post->ID,
    'post_type' => 'attachment',
    'post_mime_type' => 'image',
    'orderby' => 'menu_order',
    'order' => 'ASC',
    'numberposts' => 999
));
if ( $images ) {
    $total_images = count( $images );
}

The variable $total_images will hold the count of images in your gallery.

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