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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 |
|---|---|
| 173 | if ( strpos($_POST['user_login'], '@') ) { |
| 174 | $user_data = get_user_by_email(trim($_POST['user_login'])); |
| 175 | if ( empty($user_data) ) |
| 176 | $errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.')); |
| 177 | } else { |
| 178 | $login = trim($_POST['user_login']); |
| 179 | $user_data = get_userdatabylogin($login); |
| 180 | } |
| 181 | |
| 182 | do_action('lostpassword_post'); |
| 183 | |
| 184 | if ( $errors->get_error_code() ) |
| 185 | return $errors; |
| 186 | |
| 187 | if ( !$user_data ) { |
| 188 | $errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or e-mail.')); |
| 189 | return $errors; |
| 190 | } |
| 191 | |