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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 |
|---|---|
| 672 | $errors->add('confirm', __('Check your e-mail for the confirmation link.'), 'message'); |
| 673 | elseif ( isset($_GET['checkemail']) && 'newpass' == $_GET['checkemail'] ) |
| 674 | $errors->add('newpass', __('Check your e-mail for your new password.'), 'message'); |
| 675 | elseif ( isset($_GET['checkemail']) && 'registered' == $_GET['checkemail'] ) |
| 676 | $errors->add('registered', __('Registration complete. Please check your e-mail.'), 'message'); |
| 677 | elseif ( strpos( $redirect_to, 'about.php?updated' ) ) |
| 678 | $errors->add('updated', __( '<strong>You have successfully updated WordPress!</strong> Please log back in to experience the awesomeness.' ), 'message' ); |
| 679 | } |
| 680 | |
| 681 | $errors = apply_filters( 'wp_login_errors', $errors, $redirect_to ); |
| 682 | |
| 683 | // Clear any stale cookies. |
| 684 | if ( $reauth ) |
| 685 | wp_clear_auth_cookie(); |
| 686 | |
| 687 | login_header(__('Log In'), '', $errors); |
| 688 | |
| 689 | if ( isset($_POST['log']) ) |
| 690 | $user_login = ( 'incorrect_password' == $errors->get_error_code() || 'empty_password' == $errors->get_error_code() ) ? esc_attr(wp_unslash($_POST['log'])) : ''; |