In PHP, how do I reduce strings for beginners?

In PHP, you can reduce a string to a specified length using various functions. One common way to do this is by using the `substr()` function. This function allows you to extract a part of a string by specifying the starting point and the length of the substring.

Here is a simple example:


        <?php
        // Original string
        $string = "Hello, welcome to the world of PHP programming!";
        
        // Reduce string to 20 characters
        $reducedString = substr($string, 0, 20);
        
        // Output the reduced string
        echo $reducedString; // Outputs: Hello, welcome to th
        ?>