random symbols from string php 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;
}
//usage 
$myRandomString = generateRandomString(5);

Example 2: Generate Random String in PHP

phpCopy<?php
function random_str_generator ($len_of_gen_str){
    $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    $var_size = strlen($chars);
    echo "Random string ="; 
    for( $x = 0; $x < $len_of_gen_str; $x++ ) {  
        $random_str= $chars[ rand( 0, $var_size - 1 ) ];  
        echo $random_str;  
    }
echo "\n";
}
random_str_generator (8)
?>