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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 |
|---|---|
| 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 | |
| 239 | $key = $wpdb->get_var($wpdb->prepare("SELECT user_activation_key FROM $wpdb->users WHERE user_login = %s", $user_login)); |
| 240 | if ( empty($key) ) { |
| 241 | // Generate something random for a key... |
| 242 | $key = wp_generate_password(20, false); |
| 243 | do_action('retrieve_password_key', $user_login, $key); |
| 244 | // Now insert the new md5 key into the db |
| 245 | $wpdb->update($wpdb->users, array('user_activation_key' => $key), array('user_login' => $user_login)); |
| 246 | } |
| 247 | $message = __('Someone requested that the password be reset for the following account:') . "\r\n\r\n"; |
| 248 | $message .= network_home_url( '/' ) . "\r\n\r\n"; |
| 249 | $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n"; |
| 250 | $message .= __('If this was a mistake, just ignore this email and nothing will happen.') . "\r\n\r\n"; |
| 251 | $message .= __('To reset your password, visit the following address:') . "\r\n\r\n"; |
| 252 | $message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login') . ">\r\n"; |