pocketmine\entity\Human::setFood PHP Method

    public function setFood(float $new)
    {
        $attr = $this->attributeMap->getAttribute(Attribute::HUNGER);
        $old = $attr->getValue();
        $attr->setValue($new);
        // ranges: 18-20 (regen), 7-17 (none), 1-6 (no sprint), 0 (health depletion)
        foreach ([17, 6, 0] as $bound) {
            if ($old > $bound !== $new > $bound) {
                $reset = true;
            }
        }
        if (isset($reset)) {
            $this->foodTickTimer = 0;
        }
    }