The question changed somewhat to what was asked – however thought this might be useful if some other mug gets carried away with react in their save functions. So – this was solved as @Tom J Nowell suggested and a PHP callback was made instead to allow the save instead. I deprecated the block and … Read more
When you use the deprecated CUSTOM_TAGS constant, you have to define the variables WordPress would normally create in kses.php at the top. If you do not then you will encounter this issue. /** * Specifies the default allowable HTML tags. * * Using `CUSTOM_TAGS` is not recommended and should be considered deprecated. The * {@see … Read more
You need to add a custom validation/sanitization callback, and hook it into publish_post (and/or draft_post and/or future_post, as applicable). For example: <?php function wpse_44807_update_custom_post_meta() { // Globalize the $post object global $post; // If our custom post meta key is set, sanitize it; // otherwise, return false $my_post_custom = ( isset( $_POST[‘_my_post_custom’] ? wp_filter_nohtml_kses( $_POST[‘_my_post_custom’] … Read more
This is because what you’re trying to do trips a security feature, post content is passed through wp_kses_post to strip out dangerous tags Administrators however, have the unfiltered_html capability, which allows them to put arbitrary dangerous HTML in content and titles. This is why you’re able to insert the tags via the editor. This still … Read more
not sure the difference but I used   for adding a white space ..then passed it through wp_kses() The correct HTML entity for a non-breaking space is — note the ; which is required and without it (i.e.  ), the entity is not valid and when used with wp_kses(), you’d get &nbsp instead of … Read more
Only allow site url in text field using wp_kses/wp_filter_nohtml_kses?
Add Attribute to p Tag of Post Content
I want to allow the use of a data-flw attribute in links in comments
It’s not kses. The culprit is this: force_balance_tags() When I remove that, things work. I’m not sure why it’s breaking things, but I’ll look into the source later.
Why wp_kses() not working for rel, target of link in WordPress