Problem: I would like to output an index value when looping over a repeating field instanced with wpv-for-each.
Solution: You'll need a custom shortcode to do this. Add the following custom shortcode definition in your child theme's functions.php file, or in a new snippet in Toolset > Settings > Custom Code.
add_shortcode('wpv-index', function () { static $i = 0; $n = $i++; return $n; });
That will create a shortcode wpv-index, which we can use in the wpv-for-each loop to create these carousel-indicators list items.
Next, use wpv-for-each to iterate over the fotografia field instances and generate the indicator list items:
[wpv-for-each field='wpcf-fotografia'] <li data-target="#carousel" data-slide-to="[wpv-index]"></li> [/wpv-for-each]
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Last updated by Cesar 2 years, 4 months ago.
Assigned support staff: Christian Cox.