简单生成密码的方法 (函数)

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简单生成密码的方法



//Original is Zend.com, reproducted by Hunte

/*
usage: $new_password = return_password();
Sample: generated passwords: 2X5bjj2z, ERgid62Y, p2sHtDPv
*/ 

function return_password () { 

// set password length
$pw_length 8
// set ASCII range for random character generation
$low_ascii_bound 50// "2"
$upper_ascii_bound 122// "z"

// Exclude special characters and some confusing alphanumerics
// o,O,0,I,1,l etc
$notuse = array (58,59,60,61,62,63,64,73,79,91,92,93,94,95,96,108,111); 

while (
$i $pw_length) { 
mt_srand ((double)microtime() * 1000000); 
// random limits within ASCII table
$randnum mt_rand ($low_ascii_bound$top_ascii_bound); 
if (!
in_array ($randnum$notuse)) { 
$password $password chr($randnum); 
$i++; 



return 
$password


?>
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