a method of selecting random characters from given string

Question

Can anyone help me with a solution that pulls the position and value of a random character from a given string using PHP. For example I have a a string variable $string = \

Answer 1

Using mt_rand(),

You can get the index of a random character by:

$charIndex = mt_rand(0, strlen($string)-1);
$char = $string[$charIndex]; // or substr($string, $charIndex, 1)