PHP Warning: mysqli_error(): Couldn’t fetch mysqli in
PHP Warning: mysqli_error(): Couldn’t fetch mysqli in
PHP Warning: mysqli_error(): Couldn’t fetch mysqli in
I was able to greatly reduce the severity of the problem by installing/activating the PHP extension file-info, which was flagged by WordPress as a configuration issue. While it didn’t eliminate the issue completely, the lockup only happened once more during my post migration and the unavailability was much shorter than previous occurrences. Now that the … Read more
WordPress stores meta and option values in a serialized format if they are objects or arrays. So what you have there is an array (a) with an integer (i) key 0 and a string (s) value with 82 characters.
Recommend a database backup before you do this. ** updated the statement to specify “Y”, empty string, or null ** global $wpdb; $wpdb->query( “update {$wpdb->postmeta} SET meta_value=”X” WHERE meta_key = ‘old_price’ AND ( meta_value=”Y” OR meta_value=”” OR meta_value IS NULL ) );” );
How to add virtual column in wpdb get_result statement
Alright this worked for me: First run the bellow script to generate the file locations of all files used for draft posts. SELECT voybp_posts.guid FROM voybp_posts WHERE voybp_posts.ID IN (SELECT voybp_postmeta.meta_value FROM voybp_postmeta WHERE voybp_postmeta.post_id IN ( SELECT voybp_posts.ID FROM voybp_posts WHERE voybp_posts.post_status=”draft”) AND voybp_postmeta.meta_key=”_thumbnail_id”) Export this as a CSV file and save it to … Read more
I think what you are looking for is Jmeter’s Access Log Sampler: https://jmeter.apache.org/usermanual/component_reference.html#Access_Log_Sampler You can use that to replay your Apache logs at various volumes and concurrences.
The configuration is stored in the database. Without the old database, it is expected that WordPress thinks that its a new installation. Don’t worry about it. Once you have migrated your old database properly, things will run as normal
This works: $WhoIsUser = get_users( array( ‘meta_key’ => ‘deviceid’, ‘meta_value’ => ‘45545’ ) ); This returns the whole row for that user from the users table. If you print_r it out like so: echo ‘<pre>’ echo print_r($WhoIsUser, TRUE); echo ‘</pre>’ you get: Array ( [0] => WP_User Object ( [data] => stdClass Object ( [ID] … Read more
The GravityForms folks chimed in. To clarify, I wanted to add a row to a database table on user activation (not on form submit), and I had not found that hook. Here is the completed code… add_action( ‘gform_user_registered’, ‘hl_add_group’, 10, 4 ); function hl_add_group($user_id, $feed, $entry) { $group = $entry[8]; global $wpdb; // add form … Read more