Write a script to reverse a string in PHP without using strrev() method. In PHP, we can reverse a string easily using strrev() method. But think how will you reverse a string without using an inbuilt strrev() method.
Write a PHP script to swap two numbers. In this tutorial, we are going to write a code to swap two numbers in PHP.
There are multiple approaches by which you can swap two numbers.
i) We can swap two numbers using third or temp variable.
ii) We can swap two numbers without using third variable.