If you have to extend the backend product grid of Woocommerce by an custom attribute , you have to follow the steps below to add product attribute columns to Woocommerce backend grid: Register and sort  the new columns via a filter hook (‘manage_edit-product_columns’): <?php add_filter( ‘manage_edit-product_columns’, ‘add_columns_to_product_grid’, 10, 1 ); const BACKEND_PRODUCT_GRID_FIELD_SORTORDER = [ ‘cb’, ‘thumb’, ‘name’, […]
To find out which encoding a certain file has, you can use the file command on Linux shell: $> file -i path_to_encoded_file.ending Output example: path_to_encoded_file.ending: text/plain; charset=iso-8859-1
Today I had to solve the problem, that my wordpress cron throws an exception like this when sending an email via wp_mail function inside a cron scheduled event function. PHP Fatal error: Uncaught exception ‘phpmailerException’ with message ‘Invalid address: (setFrom) wordpress@’ in /var/www/clients/client2/web8/web/wp-base/wp-includes/class-phpmailer.php:1023 Stack trace: #0 /var/www/clients/client2/web8/web/wp-base/wp-includes/pluggable.php(352): PHPMailer->setFrom(‘wordpress@’, ‘WordPress’, false) #1 /var/www/clients/client2/web8/web/wp-base/wp-content/plugins/sheldon_misc/admin/class-sheldon_misc-admin.php(183): wp_mail(‘info@ask-sheldon.com….’, ‘Statusmailing i…’, […]
