line 84 complains that json_decode is being passed an array rather than a json string.
A quick debug showed this. Maybe they changed something in WP 4.7.3?
Also, if any of the meta-box fields is an array or an object, then strip_tags() complains, and the content of the array/object is destroyed on POST. so either way, writing meta-box data this way is currently broken.
line 84 complains that json_decode is being passed an array rather than a json string. A quick debug showed this. Maybe they changed something in WP 4.7.3? Also, if any of the meta-box fields is an array or an object, then strip_tags() complains, and the content of the array/object is destroyed on POST. so either way, writing meta-box data this way is currently broken.