PHP is the most powerful and popular scripting language in the web. It is used to enhance

web page, build a full length web site, create login pages and passwords etc. PHP is known

as a server side language, that’s because PHP does not get executed on the user’s computer

but on the computer the user requested the pages from. The results are then handed over

to the user and displayed in the browser. There are scripting languages like Asp.net, Python

and Perl. There is no need to know any of these before starting with PHP. However, one

should have a strong foundation of HTML. Infact, no programming experience is necessary

to follow PHP.

Before trying to run and test PHP scripts, the users will need a server. Fortunately, these

are available with server hosting companies to get a web space or make the user’s

computer pretend that it has a server installed on it. The best thing about PHP is that it is

compatible with all other Operating Systems.

PHP allows web developers create dynamic websites that interact with databases. Before the

inception of PHP, the web world was running on the very slow CGI technology i.e Common

Gateway Interface. PHP stands for PHP Hypertext Preprocessor where PHP is the acronym.

Hypertext is the markup language or HTML with which PHP will be working and Preprocessor

because PHP processes the codes before sending to the browser.

PHP is a scripting / programming language which is very similar to C.

It’s free and open source which means users can simply download the PHP from any

website with the attached licenses or permits and then get started.

The PHP needs no compilation as PHP codes are processed first and then sent to the

browser as the final output.

It is very easy to learn and use but it is a very powerful language.

PHP pages are added to normal web pages so there is no need for a special

development environment or an editor.

Moreover, PHP is all about community as there are lots of sharing going on.

PHP is very object oriented programming so students and candidates can find a center for

PHP training in Kolkata to know more about the subject itself.

How to create variables in PHP?

The variables are created to store any kind of change of modifications. Such PHP courses

in Kolkata teaches how to create variables in PHP the user has to input the Dollar symbol $

and then type the variable after which will come an equal sign to identify the variable that

has to be put.

<?php

//String Variable

$myName= “John”;

To Input Integer:

//Integer Variable

$age=28;

It is important to note that the quotes are not written as we have to save the integers.

The next important chart is how to make a Float variable.

//Float Variable

$height=5.0;

It is essential to note certain points before running PHP scripts:

There should always be the $ sign.

The alphabets are case sensitive.

The variable can start with an underscore _, capital letter, small letter or numbers

and no other special characters allowed.

To print the scripts on to the screen:

Echo $myName . $age . $height;

The dot or period is known as concatenation of letter which means that all the commands

will be joined together and will not be displayed as separate. Apart from these, there are

more commands for which one needs to enroll at a good software training institute to get

the in depth knowledge.

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