random string generator php online 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;
}
$myRandomString = generateRandomString(5);
Example 2: Generate Random String in PHP
phpCopy<?php
function secure_random_string($length) {
$rand_string = '';
for($i = 0; $i < $length; $i++) {
$number = random_int(0, 36);
$character = base_convert($number, 10, 36);
$rand_string .= $character;
}
return $rand_string;
}
echo "Sec_Out_1: ",secure_random_string(10),"\n";
echo "Sec_Out_2: ",secure_random_string(10),"\n";
echo "Sec_Out_3: ",secure_random_string(10),"\n";
?>