PHP str shuffle Function Tutorial

str shuffle Function

Syntax:
str_shuffle(string)

The str_shuffle() function randomly shuffles all the characters of a string.
The str_shuffle() function is mainly used for to to generate a random password or produce random characters for CAPTCHA validation image.
Each time this function executes and it will randomly re-shuffle the string.

Example: 1

        <?php
        $string = 'This is a test';
        $x=str_shuffle($string);
        echo $x;
        ?>

Output

aih istT sest

Random character generator.

Example: 2

        <?php
        $string = 'abcdefghijklmnopqrstwxyz0123456789';
        $x=str_shuffle($string);
        $y = substr($x,0, 5);
        echo $y;
        ?>

Output

g1c3w

Example: 3

        <?php
       $string = 'abcdefghijklmnopqrstwxyz0123456789';
       $x=str_shuffle($string);
       $y = substr($x,0, strlen($string)/2);
       echo $y;
        ?>

Output

57zo04xp3hykcl1ei 

See a password generator program below the link:

Password Generator Program