The following example will generate random password for the user name .
main.php
<?php
$template=<<<T1
<html>
<head><title>Random Passwod Generator </title>
<script language="JavaScript" src="getRandom.js" type="text/javascript"></script>
</head>
<body>
<table align="center"><tr>
<td colspan='2' align='center'><b>Generate Random Password</b></td>
</tr>
<tr>
<td>User name</td>
<td>
<input type="text" name="txtName" id="txtName">
<input type="button" onclick="getRandompwd()" value="Get Password">
</td>
</tr>
</table>
</body>
</html>
T1;
echo $template;
?>
getRandom.js
function getRandompwd()
{
var nameVal=$("#txtName").val();
var url='randomPwd.php';
var data='name='+nameVal;
$.ajax({
type: "POST",
url: url
data: data,
success: function(msg){
var respArray = msg.split('+');
if(respArray [0]=="randompwd"){
$("#txtName").val=respArray[1];
}
});
}
randomPwd.php
<?php
$name=$_REQUEST['name];
$charsArray=array();
$randPwd='';
$pwdLen=10;
$maxLen=25;
$expLen=0;
$chars = "a,b,c,d,e,f,g,h,j,k,m,n,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,F,G,H,J,K,L,M,N,P,Q,R,S,T,V,W,X,Y,Z,,@,#,%,&,*,$,1,2,3,4,5,6,7,8,9";
$charsArray = explode(",", $chars );
while($expLen < $maxLen){
$rands = rand(0,5);
$rand_keys .= array_rand($charsArray , $rands);
$expLen=strlen($rand_keys);
}
$rands=rand(0,9),
$randPwd= substr($rand_keys,$rands,pwdLen);
echo 'randompwd'.'+'.$randPwd;
?>
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