Wire::setTrackChanges PHP Method

    public function setTrackChanges($trackChanges = true)
    {
        if (is_bool($trackChanges) || !$trackChanges) {
            // turn change track on or off
            if ($trackChanges) {
                $this->trackChanges = $this->trackChanges | self::trackChangesOn;
            } else {
                $this->trackChanges = $this->trackChanges & ~self::trackChangesOn;
            }
            // remove bit
        } else {
            if (is_int($trackChanges)) {
                // set bitmask
                $allowed = array(self::trackChangesOn, self::trackChangesValues, self::trackChangesOn | self::trackChangesValues);
                if (in_array($trackChanges, $allowed)) {
                    $this->trackChanges = $trackChanges;
                }
            }
        }
        return $this;
    }