Additional Examples Which Were Failing

Author: oleibman

src/PhpSpreadsheet/Calculation/MathTrig/Trunc.php

@@ -51,8 +51,9 @@ public static function evaluate(array|float|string|null $value = 0, array|int|st
 
             return ($minusSign === '') ? $result : -$result;
         }
-        $digitsPlus1 = $digits + 1;
-        $result = substr($minusSign . sprintf("%.{$digitsPlus1}f", $value), 0, -1);
+        $resultString = (string) $value;
+        $regExp = '/([.]\\d{' . $digits . '})\\d+$/';
+        $result = $minusSign . (preg_replace($regExp, '$1', $resultString) ?? $resultString);
 
         return (float) $result;
     }

tests/data/Calculation/MathTrig/TRUNC.php

@@ -41,4 +41,8 @@
     'issue4113 small negative fraction keep all' => [-0.04, '-0.04, 2'],
     'issue4113 small fraction lose some' => [0.0, '0.01, 1'],
     'issue4113 small negative fraction lose some' => [0.0, '-0.001, 1'],
+    'issue4113 example 3' => [-43747, '-43747.99122596, 0'],
+    'issue4113 example 3 positive' => [43747, '43747.99122596, 0'],
+    'issue4113 example 4' => [-9.11, '-9.1196419, 2'],
+    'issue4113 example 5' => [-42300.65, '-42300.65099338, 3'],
 ];