how to create random alphanumeric in php

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Gigi
16 Jul 2019
1<?php 
2// online code for creating alphanumeric in php 
3// this will generate 6 charactor, you can create as many just change the 6 from code
4$pass = substr(str_shuffle("0123456789abcdefghijklmnopqrstvwxyz"), 0, 6);
5echo $pass;
6
7//output : 17w2y8
8?>
Emma
24 Mar 2016
1function generateRandomString($length = 25) {
2    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
3    $charactersLength = strlen($characters);
4    $randomString = '';
5    for ($i = 0; $i < $length; $i++) {
6        $randomString .= $characters[rand(0, $charactersLength - 1)];
7    }
8    return $randomString;
9}
10//usage 
11$myRandomString = generateRandomString(5);
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