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lib/PhpSpreadsheet/Calculation/TextData/Helpers.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation\TextData;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
+use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcExp;
+use PhpOffice\PhpSpreadsheet\Calculation\Functions;
+use PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue;
+use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
+
+class Helpers
+{
+    public static function convertBooleanValue(bool $value): string
+    {
+        if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_OPENOFFICE) {
+            return $value ? '1' : '0';
+        }
+
+        return ($value) ? Calculation::getTRUE() : Calculation::getFALSE();
+    }
+
+    /**
+     * @param mixed $value String value from which to extract characters
+     */
+    public static function extractString(mixed $value, bool $throwIfError = false): string
+    {
+        if (is_bool($value)) {
+            return self::convertBooleanValue($value);
+        }
+        if ($throwIfError && is_string($value) && ErrorValue::isError($value)) {
+            throw new CalcExp($value);
+        }
+
+        return (string) $value;
+    }
+
+    public static function extractInt(mixed $value, int $minValue, int $gnumericNull = 0, bool $ooBoolOk = false): int
+    {
+        if ($value === null) {
+            // usually 0, but sometimes 1 for Gnumeric
+            $value = (Functions::getCompatibilityMode() === Functions::COMPATIBILITY_GNUMERIC) ? $gnumericNull : 0;
+        }
+        if (is_bool($value) && ($ooBoolOk || Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE)) {
+            $value = (int) $value;
+        }
+        if (!is_numeric($value)) {
+            throw new CalcExp(ExcelError::VALUE());
+        }
+        $value = (int) $value;
+        if ($value < $minValue) {
+            throw new CalcExp(ExcelError::VALUE());
+        }
+
+        return (int) $value;
+    }
+
+    public static function extractFloat(mixed $value): float
+    {
+        if ($value === null) {
+            $value = 0.0;
+        }
+        if (is_bool($value)) {
+            $value = (float) $value;
+        }
+        if (!is_numeric($value)) {
+            throw new CalcExp(ExcelError::VALUE());
+        }
+
+        return (float) $value;
+    }
+
+    public static function validateInt(mixed $value): int
+    {
+        if ($value === null) {
+            $value = 0;
+        } elseif (is_bool($value)) {
+            $value = (int) $value;
+        }
+
+        return (int) $value;
+    }
+}