Program to add two numbers in PHP and show their sum with form and with database

Program to add two numbers in PHP and show their sum with form and with database

In this tutorial, we will learn about the followings.

  1. Program to add two numbers in PHP 
  2. Program to add two numbers in PHP  with form
  3. Program to add two numbers in PHP  with database

Program to add two numbers in PHP

In this example, programmer stores the values in the variables. However, if you interested to see the program about taking values in the form, please see example 2. 

Program to add two numbers in PHP  with form

In this example, we will take the inputs from the user and store them in variables.

Program to add two numbers in PHP  with a database

In this example, we will take the inputs from the user and temporarily store them in variables and then finally stores them permanently in the database.

Database of Program to add two numbers in PHP

Program to add two numbers in PHP and show their sum with form and with databases
Figure: Program to add two numbers in PHP and show their sum with form and with databases.

Download database file: addition

 

Read about PHP Sum Of Array Elements

How to write simple SQL queries for addition using PHP?

SELECT SUM(Quantity) AS sold FROM Orders;

This SQL Query return the sum of the “Quantity” field in the “Orders” table.

PHP Add two textbox values and display  in third textbox

Frequently Asked Questions (FAQ)

______ are used in PHP to perform mathematical calculations, such as addition.

(A). Bitwise operators
(B). Binary operators
(C). Unary operators
(D). Arithmetic operators

Answer - Click Here:
(D). Arithmetic operators

The order of precedence for arithmetic expressions causes

(A). increment operations to be done first
(B). multiplication to be done before division
(C). addition to be done before subtraction
(D). modulus operations to be done last

Answer - Click Here:
(C). addition to be done before subtraction

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