it looks like this is a new function since 5.1.0. see that info here: https://de.wpseek.com/function/wp_parse_list/ you could try to add this in your themes function.php temporarily, as a workaround. function wp_parse_list( $list ) { if ( ! is_array( $list ) ) { return preg_split( ‘/[\s,]+/’, $list, -1, PREG_SPLIT_NO_EMPTY ); } return $list; } so as … Read more
Just put your class in a if condition. if( !class_exists( ‘class_name’ ) ) { class class_name { //…. } $object = new class_name(); } This will work fine for first condition
If the problem is easily reproducible (i.e. you can make it happen again and again by following a set of steps), do this: Step 1: Document the steps required to cause the problem. Step 2: Document all of the plugins you have running Step 3: Deactivate all of your plugins! Step 4: Perform the steps … Read more
See WordPress codex page – FAQ Troubleshooting
I just wanted to post the solution here instead of deleting just in case this ever helps anyone else. The problem was this 1 small function I had tucked away in a setting file… /** * change number of posts shown per page in admin area */ function admin_pagination(){ global $wp_query; $per_page = 5; $wp_query->query(‘showposts=”. … Read more
These are warnings, not errors ( edited original question to reflect this ). You have two options: The easy way – Turn off displaying errors and warnings, log them to a file instead The proper way – Fix the warnings, and log them to a file instead of outputting If you need help fixing the … Read more
One of the variables you’re trying to pass into wpdb::prepare is a WP_Error object. WP_Error‘s are like exceptions mixed with return codes: some functions in the WordPress API return WP_Error objects to tell you something went wrong (like get_terms). We’ll need to see more of your code to be more specific, but you can test … Read more
You get undefined function because you are pointing to the result.php directly. That way WordPress just doesn’t load. If you need to include result.php in a specific place use get_template_part or even better locate_template
You will need to login over FTP, or via some file manager supplied by your host (cPanel and Plesk have built in FTP-like file managers), and replace that file with a clean one. After which, don’t use the file editor. It is dangerous, like working on an airplane while it is in the air.
I figured out the bug with enabling the debug (as suggested by David Kryzaniak): define(‘WP_DEBUG’, true); Found the bug, it’s generating by any of three plugins. I renamed the plugins folder to plugins1, and it’s live again. EDIT Found a Tutorial on how to proceed on such error from Tuts+, anybody interested in : Fixing … Read more