2008-02-28 Re: [PHP] reverse string without strrev(); php-gener Robin Vickery 4. * * @param string $string The string to be reversed. Here will create a PHP program to reverse a string in PHP without using string function. 2008-02-28 Re: [PHP] reverse string without strrev(); php-gener Robert Cummings 3. PHP comes with a built-in function to reverse strings. Reverse String Program in PHP. In this article, we will learn about Reverse String in PHP.A string is the collection of characters that are called from the backside. strrev() function is used to reverse any given string in php, but here we perform this operation without using strrev() function. Here will learn you two ways to reverse a string in PHP. Reverse a string in PHP is pretty simple. This is Very simple to Reverse a String in PHP by using inbuild function strrev.