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@see
https://make.wordpress.org/core/2015/04/23/spinners-and-dismissible-admin-notices-in-4-2/
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See https://make.wordpress.org/core/2015/04/23/spinners-and-dismissible-admin-notices-in-4-2/, https://core.trac.wordpress.org/ticket/22839
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In [WordPress 4.2](https://make.wordpress.org/core/2015/04/23/spinners-and-dismissible-admin-notices-in-4-2/) a new class was introduced to add a dismiss button.
I made some changes to switch to usin…
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Here's it:
- in your theme (functions.php) / plugin (plugin-name.php) file drop this
``` php
// wp error messages system function
function PLUGIN_NAME_requirement_admin_notice() {
?>
…
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When performing actions such as editing a post, there should be some kind of feedback from the system such as a message saying "post edited successfully". This can be achieved using session flash data…