php生成随机数的三种方法

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Release: 2016-06-20 13:01:15
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php生成随机数的三种方法

php生成随机数的三种方法,生成1-10之间的不重复随机数,php生成不重复随机数的例子,需要的朋友参考下

如何用php生成1-10之间的不重复随机数?

例1,使用shuffle函数生成随机数。

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例2,使用array_unique函数生成随机数。

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例3,使用array_flip函数生成随机数,可以去掉重复值。

"; $arr=array_values($return);// 获得数组的值 foreach($arr as $key) echo $key." "; ?>
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php随机数生成函数示例

 1 && is_numeric($tmp) && $tmp > 0 )|| $format == 'CHAR'){ $is_numer = 1; } if(($is_abc 1 && preg_match('/[a-zA-Z]/',$tmp)) || $format == 'NUMBER'){ $is_abc = 1; } $password.= $tmp; } if($is_numer 1 || $is_abc 1 || empty($password) ){ $password = randpw($len,$format); } return $password; } for($i = 0 ; $i "; }
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