If you know how to parse values from a WordPress database object you can query the options page. I have a repeating field called slides on a options page. It has three subfields slide_image, slide_caption, slide_link. I got the array length by using this code.
$my_count = $wpdb->get_results($wpdb->prepare("SELECT 'option_value' FROM '$wpdb->options' WHERE 'option_name' = 'options_slides' "));
In my case this returned:
[0] => stdClass Object ( [option_value] => 6 )
next to get the all the subfields I used this query:
$my_rows = $wpdb->get_results($wpdb->prepare("SELECT * FROM '$wpdb->options' WHERE 'option_name' REGEXP '^(options_slides)' "));
which returns (partial example)
[0] => stdClass Object
(
[option_id] => 35462
[option_name] => options_slides_0_slide_image
[option_value] => 13282
[autoload] => yes
)
[1] => stdClass Object
(
[option_id] => 35464
[option_name] => options_slides_0_slide_caption
[option_value] => <h2>My Caption Title</h2>
Discover Portland's best restaurants, bars, cafes and bakeries
[autoload] => yes
)
[2] => stdClass Object
(
[option_id] => 35466
[option_name] => options_slides_0_slide_link
[option_value] => http://mywebsite.com/placecategory/food-drink/
[autoload] => yes
)
options_slides_0_slide_image is from the options page. options_slides_0_slide_image is your repeating field name. options_slides_0_slide_image is the number of the element in the array. options_slides_0_slide_image is the name of the subfield in the repeater. Since I have 6 repeating fields the last image slide is options_slides_5_slide_image. This is my be very geeky, but maybe it will help. These comments are only related to version 5.x. For MySQL queries us a prime character ` not a single quote ‘.
