To do what you are trying to do, you need to use add_query_arg() and get_query_var(), and then use your query arg/value to modify the query. I’ll give you an example of how I create similar “filters” in one custom Theme; you’ll need to modify it slightly to conform to your form-field markup rather than using … Read more
Before continuing, please read this: http://www.slideshare.net/andrewnacin/you-dont-know-query-wordcamp-netherlands-2012 It’s by a core WordPress developer and you should consider it required reading. You should never use query_posts, and it’s important to understand how to use loops correctly. That presentation will demonstrate the best practices, how, and why to use them. I can see the approach you’ve taken, what … Read more
if you login to the WordPress admin area. You will see under the appearance menu a link that says “Menus”. Click that and on the left side, there will be a little panel that says “Custom Links” give it the url of the page that you want and a name in the label field and … Read more
This doesn’t really seem to be a WP question, but: as far as PHP goes, the function you’re looking for is checkdate(). That said, you really should also do something client-side (that is, JS) for the user.
You’re posting directly to formaction.php, as such WordPress is never loaded and so you do not have access to any of its API, including the database API stored in global $wpdb (which is causing the error). I’d recommend keeping everything in WordPress… and a useful method for form handling is using admin-post.php (if you’re familiar … Read more
Save the image as a path in a text field. You can try to handle your image upload with the WP mediaUploader. There is a nice and quick tutorial for: https://laurahoughcreative.co.uk/using-the-wordpress-media-uploader-in-your-plugin-options-page/
Important: The code posted below is not fully tested. There are lots of area where you can improve the code as this is only to show you the right way. If you need any pointer, check user-new.php as the reference. I am going to use the class structure for the plugin and let’s say plugin … Read more
There’s a registration_redirect filter you can use: add_filter( ‘registration_redirect’, ‘wpse_129618_registration_redirect’ ); function wpse_129618_registration_redirect( $redirect ) { if( isset( $_SERVER[‘HTTP_REFERER’] ) && 0 != strlen( $_SERVER[‘HTTP_REFERER’] ) ) { $redirect = esc_url( $_SERVER[‘HTTP_REFERER’] ); } return $redirect; } Alternately, you can edit the PHP that is generating your <form> and add a hidden field named redirect_to, … Read more
Within your theme folder create a page names archive-{YOUR_POST_TYPE}.php. In your case archive-roadkills.php. Test whether your archive page is catching this page or not? If yes, then you can edit the page the way you like. Whether copying the code from existing archive.php or your own. Reference: Template Hierarchy Codex
You can create a login failed action hook, // hook failed login add_action(‘wp_login_failed’, ‘my_front_end_login_fail’); function my_front_end_login_fail($username){ wp_redirect(site_url(). ‘?login=failed’); }