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  • Create a random string of x characters using defined string of possible characters

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    To create a random string of x characters using defined string of possible characters we will first of all define a function which will return a random string of length that you have passed as a parameter to the function. The script is given below:

    <?php
    function randomStr($len) { 
       srand(date("s")); 
       $possible="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890!@#$%^&*()"; 
       $str=""; 
       while(strlen($str)<$len) { 
          $str.=substr($possible,(rand()%(strlen($possible))),1); 
       } 
       return($str); 
    } 
    
    echo randomStr(8); //calling the function which will generate a random string of 8 characters.
    ?>
    
    

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