src/core/validator/Validator.php
public function run(): void
    {
        if (!$this->isRan) {
            $this->isRan = true;
            foreach ($this->items as $item) {
                $options      = $item[2] ?? [];
                $ruleName = $item[1];
                foreach (is_array($item[0]) ? $item[0] : [$item[0]] as $fieldName) {
                    self::applyRuleToField($fieldName, $ruleName, $options);
                }
            }
        }
    }
public function run(): void
    {
        if (!$this->isRan) {
            $this->isRan = true;
            foreach ($this->items as $item) {
                $options      = $item[2] ?? [];
                $ruleName = $item[1];
                foreach (is_array($item[0]) ? $item[0] : [$item[0]] as $fieldName) {
                    self::applyRuleToField($fieldName, $ruleName, $options);
                }
            }
        }
    }
The main executable method.
@return void