public function validate()
    {
        $setToBreak = false;

        foreach ($this->_validations as $v) {
            foreach ($v['fields'] as $field) {
                if (isset($this->_skips[$field])) {
                    if ($this->_skips[$field] === self::SKIP_ALL) {
                        break 2;
                    }

                    if ($this->_skips[$field] === self::SKIP_ONE) {
                        break;
                    }
                }

                [$values, $multiple] = $this->getPart($this->_fields, \explode('.', $field));

                // Don't validate if the field is not required and the value is empty
                if (null !== $values && $this->hasRule('optional', $field)) {
                    //Continue with execution below if statement
                } elseif (
                    $v['rule'] !== 'accepted' &&
                    $v['rule'] !== 'required' && !$this->hasRule('required', $field) &&
                    (null === $values || $values === '' || ($multiple && \count($values) === 0))
                ) {
                    continue;
                }

                // Callback is user-specified or assumed method on class
                $errors = $this->getRules();
                if (isset($errors[$v['rule']])) {
                    $callback = $errors[$v['rule']];
                } else {
                    $callback = [$this, 'validate' . \ucfirst($v['rule'])];
                }

                if (!$multiple) {
                    $values = [$values];
                }

                $result = true;
                foreach ($values as $value) {
                    $result = $result && $callback($field, $value, $v['params'], $this->_fields);
                }

                if (!$result) {
                    $this->error($field, $v['message'], $v['params']);
                    if ($this->stopOnFirstFail) {
                        $setToBreak = true;
                        break;
                    }
                    $this->_skips[$field] = $v['skip'];
                }
            }

            if ($setToBreak) {
                break;
            }
        }

        return \count($this->errors()) === 0;
    }