程式設計@筆記

[php]str_shuffle — 隨機打亂一個字符串


官方範例
<?php
$str = 'abcdef';
$shuffled = str_shuffle($str);


// 輸出類似於: bfdaec
echo $shuffled;
?>


其它範例1
function generatePasswd($numAlpha=6,$numNonAlpha=2)
{
   $listAlpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
   $listNonAlpha = ',;:!?.$/*-+&@_+;./*&?$-!,';
   return str_shuffle(
      substr(str_shuffle($listAlpha),0,$numAlpha) .
      substr(str_shuffle($listNonAlpha),0,$numNonAlpha)
    );
}


其它範例2
function random_password($chars = 8) {
   $letters = 'abcefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
   return substr(str_shuffle($letters), 0, $chars);
}


其它範例3
function RandomPass($numchar)  
{  
    $word = "a,b,c,d,e,f,g,h,i,j,k,l,m,1,2,3,4,5,6,7,8,9,0";  
    $array=explode(",",$word);  
    shuffle($array);  
    $newstring = implode($array,"");  
    return substr($newstring, 0, $numchar);  
}