OwenIt\Auditing\Auditable::prepareAudit PHP Method

    public function prepareAudit()
    {
        $this->originalData = $this->original;
        $this->updatedData = $this->attributes;
        foreach ($this->updatedData as $attribute => $val) {
            if (gettype($val) == 'object' && !method_exists($val, '__toString')) {
                unset($this->originalData[$attribute], $this->updatedData[$attribute]);
                $this->dontKeep[] = $attribute;
            }
        }
        // Dont keep audit of
        $this->dontKeep = isset($this->dontKeepAuditOf) ? array_merge($this->dontKeepAuditOf, $this->dontKeep) : $this->dontKeep;
        // Keep audit of
        $this->doKeep = isset($this->keepAuditOf) ? array_merge($this->keepAuditOf, $this->doKeep) : $this->doKeep;
        // Get User ID
        $this->auditUserId = $this->getLoggedInUserId();
        // Get current URL
        $this->auditCurrentUrl = $this->getCurrentUrl();
        // Get IP address
        $this->auditIpAddress = $this->getIpAddress();
        // Get changed data
        $this->dirtyData = $this->getDirty();
        // Tells whether the record exists in the database
        $this->updating = $this->exists;
    }