Two Ways - How to Generate Five Digit Random Number in PHP?

Two Ways - Generate Five Digit Random Number in PHP for storing any file Uniquely

In this tutorial, We are showing five digit random number generation because it has multiple use into PHP programming. we can use it for renaming or adding some extra random digits after or before the image or file name. so that file or image name can become unique for storing value in database.
First Method: -

                    $char = "BC0DEFG1HJK3LMO4PQRS5TUW6XYZa7bcdefg8hijklimno9pqrst";
                        $fivedigit = "";
                        for ($j = 0; $j < 5; $j++) {  // We can Also make any number of code for storing file or image
                        $fivedigit .= $char[mt_rand(0, strlen($char)-1)];
                        }
                        echo $random_code = $fivedigit;

Second Method: -
In this code, just have to add last variable after or before the file or image name.

 
        $uniqueid_long=uniqid(rand(), true);
        $five_digit_unique_number = substr(str_shuffle($uniqueid_long), 0, 5);
        $final_code               = preg_replace('/[^a-zA-Z0-9_ -]/s', '', $five_digit_unique_number); 

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