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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 |
|---|---|
| 190 | } else if ( strpos( $_POST['user_login'], '@' ) ) { |
| 191 | $user_data = get_user_by( 'email', trim( $_POST['user_login'] ) ); |
| 192 | if ( empty( $user_data ) ) |
| 193 | $errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.')); |
| 194 | } else { |
| 195 | $login = trim($_POST['user_login']); |
| 196 | $user_data = get_user_by('login', $login); |
| 197 | } |
| 198 | |
| 199 | do_action('lostpassword_post'); |
| 200 | |
| 201 | if ( $errors->get_error_code() ) |
| 202 | return $errors; |
| 203 | |
| 204 | if ( !$user_data ) { |
| 205 | $errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or e-mail.')); |
| 206 | return $errors; |
| 207 | } |
| 208 | |