+ # Some validation
+
+ if (!Validate::email($email, true)) {
+ $this->show_form(_t('Not a valid email address.'));
+ return;
+ } else if (!Validate::string($nickname, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
+ $this->show_form(_t('Nickname must have only letters and numbers and no spaces.'));
+ return;
+ } else if (!is_null($homepage) && (strlen($homepage) > 0) &&
+ !Validate::uri($homepage, array('allowed_schemes' => array('http', 'https')))) {
+ $this->show_form(_t('Homepage is not a valid URL.'));
+ return;
+ } else if (!is_null($fullname) && strlen($fullname) > 255) {
+ $this->show_form(_t('Fullname is too long (max 255 chars).'));
+ return;
+ } else if (!is_null($bio) && strlen($bio) > 140) {
+ $this->show_form(_t('Bio is too long (max 140 chars).'));
+ return;
+ } else if (!is_null($location) && strlen($location) > 255) {
+ $this->show_form(_t('Location is too long (max 255 chars).'));
+ return;
+ } else if ($this->nickname_exists($nickname)) {
+ $this->show_form(_t('Nickname already exists.'));
+ return;
+ } else if ($this->email_exists($email)) {
+ $this->show_form(_t('Email address already exists.'));
+ return;
+ }
+