This document provides an introduction to HTML and PHP tags. It discusses common HTML tags like <title>, <form>, <table>, and <button> and how they are used. It also introduces PHP, describing it as a server-side scripting language commonly used to create dynamic web pages. PHP code can be inserted into HTML files with .php extensions. The document includes basic PHP syntax and provides examples of how HTML can be used to build a calculator.

1. BASIC
INTRODUCTION TO
HTML AND PHP
TAGS
www.lucideus.com KAILASH KUMAR
NSIC Campus,Okhla PhaseIII Lucideus Grade1(5-7)
New Delhi-1100

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INDEX
1-HTML INDRODUCTION
1.1-WHAT IS HTML
1.2-HTML TAGS
1.2.1-TITLE TAG
1.2.2-FORM TAG
1.2.3-TABLE TAG
1.2.4-BUTTON TAG
1.2.5-HEADING TAG
1.2.6-BR TAG
1.2.7-TEXT AREA
2-PHP INDRODUCTION
2.1-WHAT IS PHP
2.2-WHAT IS A PHP FILE
3-CALCULATOR USING HTML

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1-HTML Introduction
1.1-What is HTML?
HTML is a markup language for describing web documents (web
pages).
 HTML stands for Hyper Text Markup Language
 A markup language is a set of markup tags
 HTML documents are described by HTML tags
 Each HTML tag describes different document content
Example:-

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HTML page structure
1.2-HTML Tags
HTML tags are keywords (tag names) surrounded by angle brackets:
<tagname>content</tagname>
 HTML tags normally come in pairs like <p> and </p>
 The first tag in a pair is the start tag, the second tag is the end tag
 The end tag is written like the start tag, but with a forward
slash inserted before the tag name

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1.2.1-TITLE TAG
The <title> tag is required in all HTML documents and it defines the
title of the document.
The <title> element:
 Defines a title in the browser toolbar
 Provides a title for the page when it is added to favorites
 Displays a title for the page in search-engine results

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1.2.2-FORM TAG
The <form> tag is used to create an HTML form for user input.
The <form> element can contain one or more of the following form
elements:
 <input>,<textarea>,<button>,<select>,<option>..etc

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1.2.3-TABLE TAG
The <table> tag defines an HTML table.
An HTML table consists of the <table> element and one or
more <tr>, <th>, and <td> elements.
The <tr> element defines a table row, the <th> element defines a table
header, and the <td> element defines a table cell.

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1.2.4-BUTTON TAG
The <button> tag defines a clickable button.
Inside a <button> element you can put content, like text or images. This
is the difference between this element and buttons created with the
<input> element.
Always specify the type attribute for a <button> element. Different
browsers use different default types for the <button> element.

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1.2.5-HEADING TAG
The <h1> to <h6> tags are used to define HTML headings.
<h1> defines the most important heading. <h6> defines the least
important heading.

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1.2.6-BR TAG
The <br> tag inserts a single line break.
The <br> tag is an empty tag which means that it has no end tag.

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1.2.7-TEXT AREA TAG
The <textarea> tag defines a multi-line text input control.
A text area can hold an unlimited number of characters, and the text
renders in a fixed-width font (usually Courier).
The size of a text area can be specified by the cols and rows attributes,
or even better; through CSS' height and width properties

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2-PHP Introduction
PHP is a server scripting language, and a powerful tool for making
dynamic and interactive Web pages.
PHP is a widely-used, free, and efficient
2.1-What is PHP?
 PHP is an acronym for "PHP: Hypertext Preprocessor"
 PHP is a widely-used, open source scripting language
 PHP scripts are executed on the server
 PHP is free to download and use
2.2-What is a PHP File?
 PHP files can contain text, HTML, CSS, JavaScript, and PHP code
 PHP code are executed on the server, and the result is returned to
the browser as plain HTML
 PHP files have extension ".php"
What Can PHP Do?
 PHP can generate dynamic page content
 PHP can create, open, read, write, delete, and close files on the
server
 PHP can collect form data
 PHP can send and receive cookies
 PHP can add, delete, modify data in your database
 PHP can be used to control user-access
 PHP can encrypt data

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Basic PHP Syntax
A PHP script can be placed anywhere in the document.
A PHP script starts with <?php and ends with ?>:
<?php
// PHP code goes here
?>
The default file extension for PHP files is ".php".
A PHP file normally contains HTML tags, and some PHP scripting
code.

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3-CODING OF CALCULATOR IN HTML:-

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REFERENCES
1-http://www.w3schools.com
2-http://www.tutorialspoint.com/html/html_basic_tags.htm