str::ucfirst PHP Method

    static function ucfirst($str)
    {
        return str::upper(str::substr($str, 0, 1)) . str::substr($str, 1);
    }

 public function send()
 {
     if (c::get('email.disabled')) {
         return array('status' => 'error', 'msg' => l::get('email.disabled', 'Email has been disabled'));
     }
     if (!v::email($this->extractAddress($this->options['from']))) {
         return array('status' => 'error', 'msg' => l::get('email.error.invalid.sender', 'Invalid sender'));
     }
     if (!v::email($this->extractAddress($this->options['to']))) {
         return array('status' => 'error', 'msg' => l::get('email.error.invalid.recipient', 'Invalid recipient'));
     }
     if (!v::email($this->extractAddress($this->options['replyto']))) {
         return array('status' => 'error', 'msg' => l::get('email.error.invalid.replyto', 'Invalid Reply-To Address'));
     }
     if (str::length($this->options['subject']) == 0) {
         return array('status' => 'error', 'msg' => l::get('email.error.invalid.subject', 'The subject is missing'));
     }
     $method = 'sendWith' . str::ucfirst($this->options['use']);
     if (!method_exists(__CLASS__, $method)) {
         return array('status' => 'error', 'msg' => l::get('email.error.invalid.mailer', 'This email service is not supported'));
     }
     return $this->{$method}();
 }