This function returns a Uniq ID!

By : CodeKadiya

<?php
// Call function myUniqID(int Id length, str Id prefix)
myUniqId(25,"phpuser");

function myUniqId($numStr,$strPrx)
{
srand((double)microtime()*rand(1000000,9999999)); // Seed random number generator
$arrChar=array(); // New array
$uId=$strPrx; // Write prefix in the uniq id

for($i=65;$i<90;$i++)
{
array_push($arrChar,chr($i)); // Add A-Z to array
array_push($arrChar,strtolower(chr($i))); // Add a-z to array
}
for($i=48;$i<57;$i++)
{
array_push($arrChar,chr($i)); // Add 0-9 to array
}
for($i=0;$i<$numStr;$i++)
{
$uId.=$arrChar[rand(0,count($arrChar))]; // Write random picked chars in the uniq id
}
print "Uniq ID is : $uId"; // Print uniq ID on the screen
}
?>

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