Web Development: July 2020

Saturday 11 July 2020

Variables in Php

Variables

Variables are use to Store the value like Numeric,Characters,Strings.

We can say that "Variables is like a container . Which is store the Value.or Hold The Value"

Php Variables are Start With "$" Sign.

Some Important Things For Variables in Php

We can create variables like that:

$ABC, $Abc, $abc, $_abc, $a_bc, $abc_1

we can't create variable like that:

$12abc , $ abc

Example

<?php

$a =1;

$b=2;

$c=$a+$b;

echo $c;

Comments in Php

Comments

Comments is not Execute in Php. It is part That new Developer can read it and Understand the Code.

Comment section Text Never Show On Browser During Execution.

There are Two Types of Php Comments :

1. Single-Line Comments.

2. Multiple-Line Comments.

Single Line Comments

<?php

// This is Single-Line Comments.

# This is Single-Line Comments.

echo "Hello World";

By using Single-Line Comment We can Comment a single Statement.

Multiple-Line Comments

<?php

statement-1

statement-2

statement-3

echo "Hello World";

By using Multiple-Line Comment We can Comment Multiple Statement.

Easiley Embded With Html

<!DOCTYPE html>

<html>

<head>

<title>

Easiley Embded With Html

</title>

</head>

<body>

<?php echo "Hello World"; ?>

</div>

</body>

</html>

Here You Can See php is Easiley Embded With html .

Php First Programe

There are two Types of Php Tag

<?php (Open Tag)
?> (Close Tag)

Start First Programe

<?php

echo "Hello World";

Save This File any name with .php Extension.

Ex. a.php, b.php, c.php, abc.php, xyz.php etc.

"echo" is Php Predefine Function , Which Show output on the Browser.

use semicolon (;) for Terminate the Statement.

Friday 10 July 2020

PHP

PHP Stands For "Php Hypertext Preprocessor". php used to making dynamic and interactive Web pages.

PHP is a server-side scripting language just becouse of
Without Server php code could't be Run.

How To Work In Php and Important Tools.

Requirements for Php:

Server
Code Editior

Server

We can use different types of server

a) XAMPP (Windows Operating System)

b) WAMP (Windows Operating System)

c) MAMP (Mac Operating System)

d) LAMP (Linux Operating System)

Code Editior

Code Editior Means "Where You Can write Your Code"

Which is

a) Notepad

b) Notepad++

c) Sublime

I Have Work on Xampp Server and Sublime.

Now Download And Install the xampp server as per Your System Requirment (36 or 64 bit OS)

I have Install Xampp Server in C drive

After Install The Server You can See The Directory

>> Go The location Where You Install The Xampp Serever

My Server Location is c drive

>> Now Select Xampp Folder and Open

>> Now Selct htdoc Folder and Open

Here You Can Create Your Own Folder And Start Work

I have Create "projects" Folder To Work.

In This Folder we can create a File and save this file with any name but extension is > .php

Example : abc.php , XYZ.php, ak.php etc

After That The Question arise How We access This File

Now You go to your XAMPP server and Start Apache and mysql

After That go the Browser and Type on url > localhost/projects/index.php

Now You Can see The Result on Browser.