random string generator php function code example
Example 1: PHP random string generator
function generateRandomString($length = 25) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
$myRandomString = generateRandomString(5);
Example 2: Generate Random String in PHP
phpCopy<?php
echo uniqid('user_');
?>