How to display error messages using WP _ error?
Given that assumption, just move that code to the registration page and it will be available with no hassle. WP_Error has methods will let you get at the data. Thanks for contributing an answer to WordPress Development Stack Exchange!
How does the WP _ error class work in WordPress?
WP_Error is a class that makes error handling within plugins and WordPress itself much easier. Instances of WP_Error store error codes and messages representing one or more errors, and whether or not a variable is an instance of WP_Error can be determined using the is_wp_error () function. Error codes are slugs that are used to identify each error.
How to handle an error in WordPress plugin?
Return WP_Error and use is_wp_error () to check if this class is returned. Many core WordPress functions pass this class in the event of an error and if not handled properly will result in code errors. WP_Error is a class that makes error handling within plugins and WordPress itself much easier.
Where can I find error code for WordPress?
The error codes used in WordPress are usually based on the error message associated with that code. Please refer source code for the complete lists of properties. Below description may cover some of them.
How the WP_Error Class Works. To use the WP_Error class for error handling, firstly instantiate the class follow by the use of the class method. You can add an error message passing the code, message, and data on instantiation.
How to display error message in WordPress [ debug WordPress errors ]?
WordPress Display Error Message: htaccess Edit. Another way to display errors in WordPress is by using the htaccess file. You just need to add the following code in the htaccess: php_flag display_errors on. This works like the debug mode set to on and it will turn on the WordPress error message display.