Programming Tools

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February 2017


A CSS comprises of style rules that are interpreted by the browser and then applied to the corresponding elements in your document. A style rule is made of three parts − Selector − A selector is an HTML tag at… Continue Reading →

Introduction to Programming Languages

Define abstraction? Ans: As per dictionary, abstraction is the quality of dealing with ideas rather than events. What is meant by simulation software? Ans: Simulation software is based on the process of modeling a real phenomenon with a set of mathematical formulas. It… Continue Reading →

PHP Operators

PHP Operators Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators Assignment operators Comparison operators Increment/Decrement operators Logical operators String operators Array operators PHP Arithmetic Operators The PHP arithmetic… Continue Reading →



PHP 5 Constants

PHP 5 Constants Constants are like variables except that once they are defined they cannot be changed or undefined. PHP Constants A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid… Continue Reading →

PHP 5 Strings

PHP 5 Strings A string is a sequence of characters, like “Hello world!”. PHP String Functions In this chapter we will look at some commonly used functions to manipulate strings. Get The Length of a String The PHP strlen() function… Continue Reading →

PHP Data Types

PHP Data Types Variables can store data of different types, and different data types can do different things. PHP supports the following data types: String Integer Float (floating point numbers – also called double) Boolean Array Object NULL Resource PHP… Continue Reading →

PHP 5 echo and print Statements

In PHP there are two basic ways to get output: echo and print. PHP echo and print Statements echo and print are more or less the same. They are both used to output data to the screen. The differences are… Continue Reading →

PHP Variables

Variables are “containers” for storing information. Creating (Declaring) PHP Variables In PHP, a variable starts with the $ sign, followed by the name of the variable: Example <?php $txt = “Hello world!”; $x = 7; $y = 6.5; ?> After… Continue Reading →

PHP 5 Syntax

A PHP script is executed on the server, and the plain HTML result is sent back to the browser. Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends… Continue Reading →

PHP Installation

What Do I Need? To start using PHP, you can: Find a web host with PHP and MySQL support Install a web server on your own PC, and then install PHP and MySQL Use a Web Host With PHP Support… Continue Reading →

PHP 5 References

PHP 5 References At ProgrammingTools you will find complete references of all PHP functions: Array functions Calendar functions Date functions Directory functions Error functions Filesystem functions Filter functions FTP functions HTTP functions LibXML functions Mail functions Math functions Misc functions MySQLi… Continue Reading →

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