PHP Generate Random String Fixed Length

Generate 8 Digit Alpha Numeric Unique Random String Using PHP, Generate Six Digit Unique Random String Using PHP, 8 Digit Random String Generete with php, Generate Unique Random String in PHP with Example

PHP Code: PHP Generate Unique Random Alphanumeric String


<?php 
 
function getRandomString($digits) { 
    $total_characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; 
    $randomString = ''; 
        for ($i = 0; $i < $digits; $i++) { 
            $index = rand(0, strlen($total_characters) - 1); 
            $randomString .= $total_characters[$index]; 
        }
    return $randomString; 
}

echo getRandomString(8); 
?>

<?php

function getRandomString($digits) {

$total_characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

$randomString = '';

for ($i = 0; $i < $digits; $i++) {

$index = rand(0, strlen($total_characters) - 1);

$randomString .= $total_characters[$index];

}

return $randomString;

}

echo getRandomString(8);

Alternative:


<?php 
$sixdigit=6; 
function getRandomString($digits) { 
    $charset = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $rand_str = '';
    while(strlen($rand_str) < $digits)
    $rand_str .= substr(str_shuffle($charset), 0, 1);
    return $rand_str; 
}

echo getRandomString(8); 
?>

<?php

$sixdigit=6;

function getRandomString($digits) {

$charset = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

$rand_str = '';

while(strlen($rand_str) < $digits)

$rand_str .= substr(str_shuffle($charset), 0, 1);

return $rand_str;

}

echo getRandomString(8);

You have been told well above through the code of php. How to get alpha variable in a variable by telling a unique random string of 8 digits. You copy this code and save it in your file. You can try running it on your server.

PHP Generate Random String Fixed Length1 min read

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