<?php
function RandomStr($length){
$arr = "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";
$arr = explode(" ", $arr);
for ($i=$length; $i>0; $i--)
{
$x = mt_rand(0, 25); // index of alphabet
$y = mt_rand(0, 9); // only use single digit numbers
$random = mt_rand(0, 1);
$case = mt_rand(0, 1); // additional randomness, incase $random is already set
$char = ($random > 0) ? ($charCase = ($case > 0) ? $arr[$x] : strtoupper($arr[$x])) : $y;
$str .= "$char";
}
return ($str);
}
echo RandomStr(8); // Specify String length
?>
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