ThaiSEOBoard.com

<tr><td>รหัสพนักงาน *</td><td><input type="text" name="ssn" maxlenth="9"/> </td></tr>

<?php

function alphanumeric_rand($num_require=8) {
	$alphanumeric = array('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',0,1,2,3,4,5,6,7,8,9);
	if($num_require > sizeof($alphanumeric)){
		echo "Error alphanumeric_rand(\$num_require) : \$num_require must less than " . sizeof($alphanumeric) . ", $num_require given";
		return;
	}
	$rand_key = array_rand($alphanumeric , $num_require);
	for($i=0;$i<sizeof($rand_key);$i++) $randomstring .= $alphanumeric[$rand_key[$i]];
	return $randomstring;
}

echo  alphanumeric_rand(12);

?>

function random_char(charlist)
{
	var now = new Date();
	var seed = now.getSeconds();
	var num = Math.floor(Math.random(seed) * charlist.length);
	return charlist.charAt(num);
}

function has_number(pass)
{
	var num_count = 0;

	for (i=0; i<pass.length; i++)
	{
		ch=pass.charAt(i);
		if ('0' <= ch && ch <= '9')
		{
			num_count++;
		}
	}

	return num_count;
}

function has_lower_case(pass)
{
	var num_count = 0;

	for (i=0; i<pass.length; i++)
	{
		ch=pass.charAt(i);
		if ('a' <= ch && ch <= 'z')
		{
			num_count++;
		}
	}

	return num_count;
}

function has_upper_case(pass)
{
	var num_count = 0;

	for (i=0; i<pass.length; i++)
	{
		ch=pass.charAt(i);
		if ('A' <= ch && ch <= 'Z')
		{
			num_count++;
		}
	}

	return num_count;
}

var num_pass_tries = 0;

function random_pass()
{
	num_pass_tries++;

	if (num_pass_tries >= 20)
	{
		alert("Unable to generate a password with a number, upper and lower case characters in it. Tried 20 times");
		return "error1";
	}

	var length = 8;
	var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";

	var pass = "";
	var i=0;

	for (i=0; i<length; i++)
	{
		pass = pass + random_char(chars);
	}

	//this basically just says "ok, we need a number" so it recursivly tries again.
	if (!has_number(pass) || !has_lower_case(pass) || !has_upper_case(pass))
	{
		return random_pass();
	}

	return pass;
}

function randomPass()
{
	with (document.reseller)
	{
		ssn.value = random_pass();
	}

	num_pass_tries = 0;
}

<tr><td>รหัสพนักงาน *</td><td><input type="text" name="ssn" maxlenth="9"/> <input type=button value="Random" onClick="randomPass()"></td></tr>

<?php
function alphanumeric_rand($num_require=8) {
	$alphanumeric = array('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',0,1,2,3,4,5,6,7,8,9);
	if($num_require > sizeof($alphanumeric)){
		echo "Error alphanumeric_rand(\$num_require) : \$num_require must less than " . sizeof($alphanumeric) . ", $num_require given";
		return;
	}
	$rand_key = array_rand($alphanumeric , $num_require);
	for($i=0;$i<sizeof($rand_key);$i++) $randomstring .= $alphanumeric[$rand_key[$i]];
	return $randomstring;
}
?>
<form action="xxx.php" method="post">
<input type="text" name="ssn" value="<?=alphanumeric_rand(12)?>">
<input type="submit" value="Submit">
</form>

<?
echo $_POST['ssn'];
?>