$this->resource['transaction_id'] ?? null, 'payment_id' => (int) ($this->resource['payment_id'] ?? 0), 'transaction_date' => $this->resource['transaction_date'] ?? null, 'amount' => (float) ($this->resource['amount'] ?? 0), 'payment_method' => $this->resource['payment_method'] ?? null, 'payment_status' => $this->resource['payment_status'] ?? null, 'transaction_fee' => isset($this->resource['transaction_fee']) ? (float) $this->resource['transaction_fee'] : null, 'payment_reference' => $this->resource['payment_reference'] ?? null, 'is_full_payment' => isset($this->resource['is_full_payment']) ? (bool) $this->resource['is_full_payment'] : null, 'school_year' => $this->resource['school_year'] ?? null, 'semester' => $this->resource['semester'] ?? null, ]; } }