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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 |
|---|---|
| 220 | if ( !$user_data ) { |
| 221 | $errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or e-mail.')); |
| 222 | return $errors; |
| 223 | } |
| 224 | |
| 225 | // redefining user_login ensures we return the right case in the email |
| 226 | $user_login = $user_data->user_login; |
| 227 | $user_email = $user_data->user_email; |
| 228 | |
| 229 | do_action('retreive_password', $user_login); // Misspelled and deprecated |
| 230 | do_action('retrieve_password', $user_login); |
| 231 | |
| 232 | $allow = apply_filters('allow_password_reset', true, $user_data->ID); |
| 233 | |
| 234 | if ( ! $allow ) |
| 235 | return new WP_Error('no_password_reset', __('Password reset is not allowed for this user')); |
| 236 | else if ( is_wp_error($allow) ) |
| 237 | return $allow; |
| 238 | |