init

lib/PhpSpreadsheet/Calculation/MathTrig/Trunc.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
+
+use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
+use PhpOffice\PhpSpreadsheet\Calculation\Exception;
+
+class Trunc
+{
+    use ArrayEnabled;
+
+    /**
+     * TRUNC.
+     *
+     * Truncates value to the number of fractional digits by number_digits.
+     *
+     * @param array|float $value Or can be an array of values
+     * @param array|int $digits Or can be an array of values
+     *
+     * @return array|float|string Truncated value, or a string containing an error
+     *         If an array of numbers is passed as an argument, then the returned result will also be an array
+     *            with the same dimensions
+     */
+    public static function evaluate(array|float|string|null $value = 0, array|int|string $digits = 0): array|float|string
+    {
+        if (is_array($value) || is_array($digits)) {
+            return self::evaluateArrayArguments([self::class, __FUNCTION__], $value, $digits);
+        }
+
+        try {
+            $value = Helpers::validateNumericNullBool($value);
+            $digits = Helpers::validateNumericNullSubstitution($digits, null);
+        } catch (Exception $e) {
+            return $e->getMessage();
+        }
+
+        $digits = floor($digits);
+
+        // Truncate
+        $adjust = 10 ** $digits;
+
+        if (($digits > 0) && (rtrim((string) (int) ((abs($value) - abs((int) $value)) * $adjust), '0') < $adjust / 10)) {
+            return $value;
+        }
+
+        return ((int) ($value * $adjust)) / $adjust;
+    }
+}