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application/Espo/Core/Currency/CalculatorUtil.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Currency;
+
+use DivisionByZeroError;
+
+class CalculatorUtil
+{
+    private const SCALE = 14;
+
+    /**
+     * @param numeric-string $arg1
+     * @param numeric-string $arg2
+     * @return numeric-string
+     */
+    public static function add(string $arg1, string $arg2): string
+    {
+        if (!function_exists('bcadd')) {
+            return (string) (
+                (float) $arg1 + (float) $arg2
+            );
+        }
+
+        return bcadd(
+            $arg1,
+            $arg2,
+            self::SCALE
+        );
+    }
+
+    /**
+     * @param numeric-string $arg1
+     * @param numeric-string $arg2
+     * @return numeric-string
+     */
+    public static function subtract(string $arg1, string $arg2): string
+    {
+        if (!function_exists('bcsub')) {
+            return (string) (
+                (float) $arg1 - (float) $arg2
+            );
+        }
+
+        return bcsub(
+            $arg1,
+            $arg2,
+            self::SCALE
+        );
+    }
+
+    /**
+     * @param numeric-string $arg1
+     * @param numeric-string $arg2
+     * @return numeric-string
+     */
+    public static function multiply(string $arg1, string $arg2): string
+    {
+        if (!function_exists('bcmul')) {
+            return (string) (
+                (float) $arg1 * (float) $arg2
+            );
+        }
+
+        return bcmul(
+            $arg1,
+            $arg2,
+            self::SCALE
+        );
+    }
+
+    /**
+     * @param numeric-string $arg1
+     * @param numeric-string $arg2
+     * @return numeric-string
+     */
+    public static function divide(string $arg1, string $arg2): string
+    {
+        if (!function_exists('bcdiv')) {
+            return (string) (
+                (float) $arg1 / (float) $arg2
+            );
+        }
+
+        $result = bcdiv(
+            $arg1,
+            $arg2,
+            self::SCALE
+        );
+
+        if ($result === null) { /** @phpstan-ignore-line  */
+            throw new DivisionByZeroError();
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param numeric-string $arg
+     * @return numeric-string
+     */
+    public static function round(string $arg, int $precision = 0): string
+    {
+        if (!function_exists('bcadd')) {
+            return (string) round((float) $arg, $precision);
+        }
+
+        $addition = '0.' . str_repeat('0', $precision) . '5';
+
+        if ($arg[0] === '-') {
+            $addition = '-' . $addition;
+        }
+
+        assert(is_numeric($addition));
+
+        return bcadd(
+            $arg,
+            $addition,
+            $precision
+        );
+    }
+
+    /**
+     * @param numeric-string $arg1
+     * @param numeric-string $arg2
+     */
+    public static function compare(string $arg1, string $arg2): int
+    {
+        if (!function_exists('bccomp')) {
+            return (float) $arg1 <=> (float) $arg2;
+        }
+
+        return bccomp(
+            $arg1,
+            $arg2,
+            self::SCALE
+        );
+    }
+}