Gregwar\Formidable\Fields\Field::check PHP 메소드

    public function check()
    {
        if ($this->valueChanged && $this->readonly) {
            return array('read_only', $this->printName());
        }
        if (null === $this->value || '' === $this->value) {
            if ($this->required) {
                return array('value_required', $this->printName());
            }
        } else {
            // Expressions régulière
            if ($this->regex) {
                if (!preg_match('/' . $this->regex . '/mUsi', $this->value)) {
                    return array('bad_format', $this->printName());
                }
            }
            // Longueur minimum et maximum
            if ($this->minlength && strlen($this->value) < $this->minlength) {
                return array('at_least', $this->printName(), $this->minlength);
            }
            if ($this->maxlength && strlen($this->value) > $this->maxlength) {
                return array('not_more', $this->printName(), $this->maxlength);
            }
        }
        // Contraintes custom
        foreach ($this->constraints as $constraint) {
            $err = $constraint($this->value);
            if ($err) {
                return $err;
            }
        }
    }