Preg_Match(): compilation failed unknown property name

Xan is a georgian letter as I can find in Google, but it’s not a valid Unicode Script for RegEx, you can find a list of the Unicode Scripts here: http://www.regular-expressions.info/unicode.html Maybe try using another one than Xan, maybe Georgian: preg_match( ‘/[\p{Georgian}]/u’, $content, $results ); Let me know how that goes.

Problem in using wpdb

This error: Fatal error: Call to a member function insert() on a non-object Means that $wpdb isn’t instantiated so you are running your code too early or out of WordPress context– for example, in an exterior PHP file accessed directly, which is what I suspect (Poorly conceived AJAX request perhaps?). As mentioned, the code has … Read more

WordPress suddenly creating theme errors

That’s a PHP warning, not technically an error, and isn’t real critical. It’s due to your webhost updating the version of PHP; and the theme StandardTheme_272 should initialize an object before setting a property. See if there is a theme update. If not, https://stackoverflow.com/questions/14806959/how-to-fix-creating-default-object-from-empty-value-warning-in-php for instructions on how to fix the theme. You can temporarily … Read more

WP displays “some_strange_number Version” in the bottom right corner

Do you mean literally some_strange_number? The version of WP install is captured in global $wp_version variable, defined in wp-includes/version.php. Unfortunately since it’s not a constant it can be modified in runtime. Check the file for being modified/corrupted, if it’s fine then some other code interferes with it.

Twenty Seventeen search error

@NerdOfLinux from the error what I can see that you are using undefined function get_exID()… WordPress has a function get_the_ID(). Change the function name get_exID() into get_the_ID().

Why do get_category_by_slug() crashes WordPress 4.8

Because get_category_by calls get_term_by which calls get_terms which creates a WP_Term_Query which runs the list_terms_exclusions filter, which runs your code that calls get_category_by which calls get_term_by which calls get_terms etc etc etc Your problem is that of an infinite loop, the functions you call in your filter, trigger the filter they’re called in. It’s not … Read more

Can’t access my site please help

It’s Loading fine for me both the site and the wp-admin login page. If you are struggling with recently updated plugins, Login to FTP and manually remove the plugins so you can gain access again. You can then reinstall them one by one to narrow down the problem. It might also be worth clearing your … Read more