round公用四舍五入去除

app/common.php

@@ -897,3 +897,21 @@ if (!function_exists("is_json")){
         return true;
     }
 }
+
+
+
+if (!function_exists("roundOptimize")){
+    /**
+     * round公用四舍五入去除
+     * @param $number
+     * @return string
+     */
+    function roundOptimize($amount, $decimals = 2): string
+    {
+        if ($amount > 0) {
+            $factor = pow(10, $decimals);
+            return floor($amount * $factor) / $factor;
+        }
+        return $amount;
+    }
+}