sage9-fix-local-acf-json.php

/**
 * Fix location of ACF local JSON.
 *
 * Since Sage does some surgery on the WordPress template locations, ACF looks in
 * the wrong location for the acf-json directory. We will fix this by manually
 * hooking into that functionality and attempting to save in the right spot.
 *
 * @param  string  $path
 * @return string
 */
add_filter('acf/settings/save_json', function ($path) {
    $acf_json_dir = get_template_directory().'/acf-json';
    return (file_exists($acf_json_dir) && is_dir($acf_json_dir)) ? $acf_json_dir : $path;
});