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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
181 | /** |
182 | * Fires before user profile update errors are returned. |
183 | * |
184 | * @since 2.8.0 |
185 | * |
186 | * @param WP_Error &$errors WP_Error object, passed by reference. |
187 | * @param bool $update Whether this is a user update. |
188 | * @param stdClass &$user User object, passed by reference. |
189 | */ |
190 | do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) ); |
191 |
|
192 | if ( $errors->get_error_codes() ) |
193 | return $errors; |
194 |
|
195 | if ( $update ) { |
196 | $user_id = wp_update_user( $user ); |
197 | } else { |
198 | $user_id = wp_insert_user( $user ); |
199 | $notify = isset( $_POST['send_user_notification'] ) ? 'both' : 'admin'; |