php随机生成易于记忆的密码

1. function random_readable_pwd($length=10){
3. // the wordlist from which the password gets generated
4. // (change them as you like)
5. $words = 'dog,cat,sheep,sun,sky,red,ball,happy,ice,';
6. $words .= 'green,blue,music,movies,radio,green,turbo,';
7. $words .= 'mouse,computer,paper,water,fire,storm,chicken,';
8. $words .= 'boot,freedom,white,nice,player,small,eyes,';
9. $words .= 'path,kid,box,black,flower,ping,pong,smile,';
10. $words .= 'coffee,colors,rainbow,plus,king,tv,ring';
12. // Split by ",":
13. $words = explode(',', $words);
14. if (count($words) == 0){ die('Wordlist is empty!'); }
16. // Add words while password is smaller than the given length
17. $pwd = '';
18. while (strlen($pwd) $r = mt_rand(0, count($words)-1);
19. $pwd .= $words[$r];
20. }
22. // append a number at the end if length > 2 and
23. // reduce the password size to $length
24. $num = mt_rand(1, 99);
25. if ($length > 2){
26. $pwd = substr($pwd,0,$length-strlen($num)).$num;
27. } else {
28. $pwd = substr($pwd, 0, $length);
29. }
31. return $pwd;
33. }
35. //使用范例：
36. random_readable_pwd(10)
37. => returns something like: pingwater6, radiohap28, sunwhite84, happykid44, etc...

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