Write a program to implement binary search in PHP.
Given a sorted array, write a PHP code to search an element using binary search algorithm.
For example –
Input : { 1, 3, 5, 6, 7, 8, 9} , k = 6
Output: 3 (6 is found at 3rd index)
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.
How to create a Foreign key in MySql. What’s the use of Foreign key constraint in a MySql. In this tutorial, You’ll learn about Foreign key constraint and it’s advantages.