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What to do when wpdb fails to insert in WordPress?
$wpdb->last_error just contains MySQL errors, but this error would be generated by WordPress itself and so no MySQL query is actually ran (or generated, in fact). I’m inclined to suggest we should just use $wpdb->print_error (), with text like “You attempted to put x characters into a column that only accepts y, so your query was not performed.”
How to fix wp-admin blank PHP file?
In wp-config.php file editor, look for the line: In the above line, change the word false to true. It should look like this: Click save changes and upload the modified file appropriately. Now, if you try to access your WordPress dashboard, you should be able to see the error message with the corrupted php file name at the end of it.
Why do I get a blank WordPress admin page?
This is one of the common reasons why you are getting a WordPress wp-admin blank page. If you get this error, before you do anything else, please quickly take a look at other sites hosted on the same hosting provider. If you see a wp admin blank page, you can obviously come to a conclusion that the issues stemming from your hosting provider.
Why is the left side of my WordPress page blank?
A blank panel usually happens unexpectedly and may leave you biting your fingers trying to find out why a page that always gave you power to control your site, has suddenly decided to display nothing at all. And in some cases, the left menu may be displayed, but that’s about it.
When does wpdb-> insert ( ) return false?
$wpdb->insert () method returns false if the row could not be inserted. Otherwise, it returns the number of affected rows (which will always be 1). You can turn error echoing on and off with the show_errors and hide_errors, respectively.
How to insert a record in MySQL using wpdb?
If you use $wpdb->insert (…) syntax, no record is created, and no error is reported in any manner. If you edit the MySQL def to char (20) or shorten the string to 8 chars, $wpdb->insert then inserts the record.
When does wpdb return an error in PHP?
This becomes a nightmare to debug without explicitly checking each column’s length (and it’s hard to know the lengths, though wp-db.php does provide internal functions). I’ve created a tiny drop-in override which modifies wpdb behaviour to return an error in this scenario.