Online PHP editor | perf for Tl3AY

@ 2026-08-31T09:02:53Z

<?php
  class FakeCollection {
      public function __construct(private array $items) {}
      public function sum(string $key): float {
          $total = 0;
          foreach ($this->items as $item) { $total += $item[$key]; }
          return $total;
      }
  }
  function collect(array $items): FakeCollection { return new FakeCollection($items); }

  class FakePayment {
      public array $credits = [];
      public function __construct(public float $amount, public float $refunded) {}
      public function credits() { return new class { public function exists(): bool { return false; } }; }
  }

  function checkTotalRefundableAmount($payment, array $request_invoices, array $input): bool {
    // Calculate total refund amount requested
    $total_refund_requested = 0;

    if (count($request_invoices) > 0) {
        $total_refund_requested = collect($request_invoices)->sum('amount');
    } elseif (array_key_exists('amount', $this->input)) {
        $total_refund_requested = $this->input['amount'];
    }

    if ($total_refund_requested <= 0) {
        return true; // No refund requested
    }

    // Calculate maximum refundable from cash portion
    $max_cash_refund = $payment->amount - $payment->refunded;

    // Calculate maximum refundable from credits
    $max_credit_refund = 0;
    if ($payment->credits()->exists()) {
        foreach ($payment->credits as $credit) {
            $max_credit_refund += ($credit->pivot->amount - $credit->pivot->refunded);
        }
    }

    $max_total_refundable = $max_cash_refund + $max_credit_refund;

    if ($total_refund_requested > $max_total_refundable) {
        return false;
    }

    return true;
  }

  $payment = new FakePayment(amount: 30.20, refunded: 0.0);
  $invoices = [['invoice_id' => 'INV_1', 'amount' => 11.85], ['invoice_id' => 'INV_2', 'amount' => 18.35]];

  var_dump(checkTotalRefundableAmount($payment, $invoices, ['id' => 'PAYMENT_ID'])); // bool(false) — should be true

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.5.10	0.011	0.008	18.64
8.5.9	0.010	0.006	18.67
8.5.8	0.010	0.006	18.58
8.5.7	0.009	0.007	18.54
8.5.6	0.008	0.006	18.61
8.5.5	0.007	0.007	18.43
8.5.4	0.009	0.007	18.48
8.5.3	0.007	0.006	18.37
8.5.2	0.010	0.007	18.37
8.5.1	0.009	0.007	18.38
8.5.0	0.010	0.006	18.39
8.4.25	0.009	0.009	21.47
8.4.24	0.009	0.008	21.43
8.4.23	0.011	0.009	21.45
8.4.22	0.010	0.007	21.37
8.4.21	0.010	0.008	21.40
8.4.20	0.010	0.010	21.45
8.4.19	0.008	0.008	21.56
8.4.18	0.010	0.007	21.49
8.4.17	0.007	0.008	21.60
8.4.16	0.008	0.008	21.58
8.4.15	0.009	0.009	21.55
8.4.14	0.008	0.006	19.52
8.4.13	0.007	0.006	19.49
8.4.12	0.005	0.005	19.63
8.4.11	0.005	0.005	19.59
8.4.10	0.006	0.006	19.64
8.4.9	0.007	0.004	19.63
8.4.8	0.007	0.007	19.65
8.4.7	0.007	0.005	19.68
8.4.6	0.007	0.004	19.63
8.4.5	0.010	0.007	19.62
8.4.4	0.010	0.005	19.54
8.4.3	0.010	0.006	19.64
8.4.2	0.009	0.007	19.68
8.4.1	0.009	0.007	19.64
8.3.33	0.009	0.007	20.18
8.3.32	0.009	0.007	20.23
8.3.31	0.009	0.006	20.18
8.3.30	0.010	0.006	20.19
8.3.29	0.008	0.008	20.11
8.3.28	0.009	0.007	20.18
8.3.27	0.009	0.006	18.55
8.3.26	0.007	0.007	18.56
8.3.25	0.007	0.007	18.54
8.3.24	0.008	0.004	18.62
8.3.23	0.007	0.005	18.58
8.3.22	0.007	0.005	18.51
8.3.21	0.007	0.006	18.53
8.3.20	0.009	0.004	18.51
8.3.19	0.007	0.007	18.57
8.3.18	0.006	0.006	18.58
8.3.17	0.007	0.005	18.54
8.3.16	0.006	0.004	18.61
8.3.15	0.008	0.006	18.59
8.3.14	0.008	0.006	18.56
8.3.13	0.008	0.007	18.56
8.3.12	0.007	0.005	18.57
8.3.11	0.008	0.005	18.50
8.3.10	0.008	0.008	18.56
8.3.9	0.010	0.005	18.57
8.3.8	0.010	0.006	18.55
8.3.7	0.012	0.005	18.55
8.3.6	0.011	0.006	18.60
8.3.5	0.011	0.006	18.54
8.3.4	0.011	0.006	19.87
8.3.3	0.012	0.007	19.75
8.3.2	0.012	0.007	19.83
8.3.1	0.010	0.009	19.82
8.3.0	0.012	0.006	19.82
8.2.33	0.009	0.009	19.94
8.2.32	0.009	0.007	19.93
8.2.31	0.007	0.009	19.88

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