WordPress Development Weekly Newsletter - Thursday, November 27, 2014

Top new questions this week: Should I sanitize an email address before passing it to the is_email() function? I'm using is_email() to check if a user-provided email address is valid. For example: $email = $_POST['email']; if ( is_email( $email ) ) // Do something. To the best of my knowledge, nothing ... <sanitization>   asked by henrywright 5 votes answered by Howdy_McGee 2 votes Portable Post Links I quite often run into a situation where I develop a site on a staging domain, have my client fill it there with content, and then when everything's approved move it to production. Now, my ... <posts> <links>   asked by Steven 3 votes answered by Rarst 0 votes Server side validation I'm trying to do some server side validation of post fields (custom and/ or non-custom fields). Validation works just fine. But I can't seems to stop the post from saving if a validation fails. Why ... <server> <validation> <save>   asked by john23klipp 2 votes Taxonomy archive template to have conditional logic for displaying child categories I have a custom post-type "downloads", and within the downloads menu, I have download categories, the taxonomy name is "downloadcats". My Downloads page uses a page template that lists all categories ... <custom-taxonomy>   asked by Adrian 2 votes answered by Pieter Goosen 1 vote What are these entries in the database? Looks similar to JSON So I have been wondering for a while now what these entries are and what they do, also what the format of them are. They look similar to JSON but are definitely not JSON. ... <plugins> <database>   asked by Yamaha32088 2 votes answered by Howdy_McGee 5 votes Redirect to referring page after logging in I am not using any custom login plugins or any bespoke code. A few of my pages have got this bit of code in them at the very beginning. <?php if(!is_user_logged_in()) ... <redirect> <login>   asked by Praveen Kumar 1 vote answered by birgire 3 votes Use hooks for undo/redo admin actions? Is it possible to implement a undo/redo by tracing admin actions? I know its gonna be a heavy task, but is it possible at all? Plugins aside of course, core is enough, though <core-modifications>   asked by mc007 1 vote answered by Mark Kaplun 1 vote Greatest hits from previous weeks: Allow HTML in excerpt Here is my excerpt code. // Generate custom excerpt length function wpbx_excerpt_length($length) { return 300; } add_filter('excerpt_length', 'wpbx_excerpt_length'); How do I allow html like ... <php> <excerpt>   asked by user32447 6 votes answered by Pieter Goosen 17 votes How to manually fix the WordPress gallery code using PHP in functions.php? It's been talked many times that Wordpress outputs some really bad code for the built-in gallery function. This is the core code responsible for the gallery output (in /wp-includes/media.php): ... <php> <functions> <shortcode> <gallery>   asked by its_me 10 votes answered by Bainternet 16 votes Can you answer these? Looking for a secure way of storing/accessing user form entry preserving newlines? I'm allowing users to enter information through a textarea on my site. I'm aware that there is a security risk whenever a user can enter information into a site. I want to be able to preserve ... <php> <mysql> <sanitization>   asked by John T 1 vote Custom save button shows 'Are you sure you want to...' dialog I'm looking for a way to replace the submitdiv meta box (publish box) with just one simple save button. By looking at Core I see there's a simple function returning a submit button: ... <publish> <replace>   asked by john23klipp 1 vote Custom Post Type by Taxonomy I have two custom post types - office and professional. Each professional needs to be tied to an office. I've created a custom taxonomy, 'tax-location', applied it to both post types to tie them ... <custom-post-types> <custom-taxonomy>   asked by certainstrings 1 vote

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