added an assert for roundingMode in PHP fix #2171

ccxt · May 31, 2018 · c66a4b3 · c66a4b3
1 parent c323a36
commit c66a4b3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/php/Exchange.php b/php/Exchange.php
@@ -1806,6 +1806,7 @@ public static function decimalToPrecision ($x, $roundingMode = ROUND, $numPrecis
     }
 
     public static function decimal_to_precision ($x, $roundingMode = ROUND, $numPrecisionDigits = null, $countingMode = DECIMAL_PLACES, $paddingMode = NO_PADDING) {
+
         if ($numPrecisionDigits < 0) {
             throw new BaseError ('Negative precision is not yet supported');
         }
@@ -1818,6 +1819,8 @@ public static function decimal_to_precision ($x, $roundingMode = ROUND, $numPrec
             throw new BaseError ('Invalid number');
         }
 
+        assert ($roundingMode === ROUND || $roundingMode === TRUNCATE);
+
         $result = '';
         if ($roundingMode === ROUND) {
             if ($countingMode === DECIMAL_PLACES) {