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php生成16位随机数的代码

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2016-06-13 09:25:141095browse

php生成16位随机数的代码

   分享一个php生成16位随机数的代码,php生成随机数的二种方法。

  方法1

  代码如下:

  

  $a = mt_rand(10000000,99999999);

  $b = mt_rand(10000000,99999999);

  echo $a.$b;

 

  方法2:

  

  $a = range(0,9);

  for($i=0;$i

  $b[] = array_rand($a);

  } // www.yuju100.com

  var_dump(join("",$b));

  //结果string(16) "0179571910024734"

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