init

lib/PhpSpreadsheet/Calculation/LookupRef/LookupRefValidations.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception;
+use PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue;
+use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
+
+class LookupRefValidations
+{
+    public static function validateInt(mixed $value): int
+    {
+        if (!is_numeric($value)) {
+            if (ErrorValue::isError($value)) {
+                throw new Exception($value);
+            }
+
+            throw new Exception(ExcelError::VALUE());
+        }
+
+        return (int) floor((float) $value);
+    }
+
+    public static function validatePositiveInt(mixed $value, bool $allowZero = true): int
+    {
+        $value = self::validateInt($value);
+
+        if (($allowZero === false && $value <= 0) || $value < 0) {
+            throw new Exception(ExcelError::VALUE());
+        }
+
+        return $value;
+    }
+}