[wp-trac] [WordPress Trac] #42742: Add a has_errors() method to WP_Error

[WordPress Trac]

#42742: Add a has_errors() method to WP_Error
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 Reporter:               |      Owner:
  DrewAPicture           |     Status:  new
     Type:  enhancement  |  Milestone:  Awaiting Review
 Priority:  normal       |    Version:
Component:  General      |   Keywords:  needs-patch needs-unit-tests good-
 Severity:  normal       |  first-bug
  Focuses:               |
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 We should add a method to easily check whether a `WP_Error` object
 contains any errors.

 There isn't any one standard way to perform such an operation, and in
 fact, a cursory search of core yielded a variety of methods for checking
 whether there are any errors in the object, but nothing really consistent:

 * Checking `empty()` on the `$errors` property
 * Checking if the count from `get_error_codes()` is greater than 0
 * Checking if the value of `get_error_code()` is an empty string

 My proposal would be to introduce a boolean `has_errors()` method, or
 perhaps `empty()` that simply checks whether the `$errors` property is
 empty or not.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42742>
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