1. Common.php新增isWin、getNonceByURandom、extendArrayData通用方法

Author: shinn-lancelot

src/Common.php

@@ -30,6 +30,19 @@ public static function httpRequest($url, $data = null)
         return $output;
     }
 
+    /**
+     * 是否为windows系统
+     * @return bool
+     */
+    public static function isWin()
+    {
+        if (strtoupper(substr(PHP_OS,0,3)) === 'WIN') {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     /**
      * 获取字符串
      * @param int $type
@@ -58,6 +71,50 @@ public static function getNonce($type = 1, $length = 16)
         return $nonce;
     }
 
+    /**
+     * 根据URandom获取字符串
+     * @param int $length
+     * @return bool|string
+     */
+    public static function getNonceByURandom($length = 16)
+    {
+        $nonce = '';
+        $binary = '';
+        $fp = @fopen('/dev/urandom', 'rb');
+        if ($fp !== false) {
+            $binary .= @fread($fp, $length);
+            @fclose($fp);
+        } else {
+            trigger_error('Can not open /dev/urandom.');
+        }
+        $string = base64_encode($binary);
+        $nonce = substr($string, 0, $length);
+        return $nonce;
+    }
+
+    /**
+     * 扩展原数组的数据（仅更新原数组已有的键）
+     * @param $rawData
+     * @param $newData
+     * @return array
+     */
+    public static function extendArrayData($rawData, $newData)
+    {
+        if (!is_array($rawData) || count($rawData) <= 0) {
+            return array();
+        }
+
+        if (!is_array($newData)) {
+            return $rawData;
+        }
+
+        foreach ($rawData as $key=>$value) {
+            isset($newData[$key]) && $rawData[$key] = $newData[$key];
+        }
+
+        return $rawData;
+    }
+
     /**
      * 根据错误码获取错误信息
      * @param $errorCode