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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 |
|---|---|
| 321 | } elseif ( ! is_email( $user_email ) ) { |
| 322 | $errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn’t correct.' ) ); |
| 323 | $user_email = ''; |
| 324 | } elseif ( email_exists( $user_email ) ) { |
| 325 | $errors->add( 'email_exists', __( '<strong>ERROR</strong>: This email is already registered, please choose another one.' ) ); |
| 326 | } |
| 327 | |
| 328 | do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); |
| 329 | |
| 330 | $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); |
| 331 | |
| 332 | if ( $errors->get_error_code() ) |
| 333 | return $errors; |
| 334 | |
| 335 | $user_pass = wp_generate_password( 12, false); |
| 336 | $user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email ); |
| 337 | if ( ! $user_id ) { |
| 338 | $errors->add( 'registerfail', sprintf( __( '<strong>ERROR</strong>: Couldn’t register you... please contact the <a href="mailto:%s">webmaster</a> !' ), get_option( 'admin_email' ) ) ); |
| 339 | return $errors; |