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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 |
|---|---|
| 3374 | * If any errors are present in $errors, this will abort the user's registration. |
| 3375 | * |
| 3376 | * @since 2.1.0 |
| 3377 | * |
| 3378 | * @param WP_Error $errors A WP_Error object containing any errors encountered |
| 3379 | * during registration. |
| 3380 | * @param string $sanitized_user_login User's username after it has been sanitized. |
| 3381 | * @param string $user_email User's email. |
| 3382 | */ |
| 3383 | $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); |
| 3384 | |
| 3385 | if ( $errors->has_errors() ) { |
| 3386 | return $errors; |
| 3387 | } |
| 3388 | |
| 3389 | $user_pass = wp_generate_password( 12, false ); |
| 3390 | $user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email ); |
| 3391 | if ( ! $user_id || is_wp_error( $user_id ) ) { |
| 3392 | $errors->add( |