WPPIZZA_WIDGET_CSS_CLASS

by default wppizza widgets have a classname of wppizza_widget. As this is not referenced in the plugin itself, you could change that classname to something you might prefer. To do so you can add the following to your wp-config.php define('WPPIZZA_WIDGET_CSS_CLASS', 'some_classname'); somewhere before /* That's 

WPPIZZA_PLAINTEXT_MAX_LINE_LENGTH{_WORDWRAP}

By default plaintext emails are wrapped at 70 characters to enable as many email clients as possible to read any emails received. If you are certain that all recipients of your wppizza emails can read emails at a different linelengths, you can force the required 

WPPIZZA_ADMIN_{CONSTANTS}

you can overwrite the following constants by adding them to your wp-config.php   a) WPPIZZA_ADMIN_TEMPLATES_PERPAGE – how many templates (Wppizza->templates) per page do you want to display before pagination kicks in. Useful if there is a low max_post_vars set in your php.ini which can result 

WPPIZZA_DEV_{CONSTANTS}

THE BELOW ARE DEVELOPMENT CONSTANTS AND SHOULD NOT BE USED IN A PRODUCTION ENVIRONMENT you can overwrite the following constants by adding them to your wp-config.php   a) WPPIZZA_DEV_ADMIN_NO_SAVE – if set to true, wppizza parameters will not be saved if changed (might be useful 

WPPIZZA_TRANSACTION_{CONSTANTS}

The below constants only need changing if another plugin uses the same _GET variables to do something else – in 99.999% of cases you should be able to just leave them alone However, if the above should be the case you can overwrite the following