PHP INTRODUCTION - Web Development and Design | Tutorial for Java, PHP, HTML, Javascript PHP INTRODUCTION - Web Development and Design | Tutorial for Java, PHP, HTML, Javascript

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Tuesday, November 20, 2018

PHP INTRODUCTION

                   PHP INTRODUCTION




      
PHP



INTRODUCTION

PHP started out as a small open source project that evolved as more and more people found out how useful it was. Rasmus Lerdorf unleashed the first version of PHP way back in 1994.


PHP is a recursive acronym for "PHP: Hypertext Preprocessor".  

PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. 

PHP supports a large number of major protocols such as POP3, IMAP, and LDAP. PHP4 added support for Java and distributed object architectures (COM and CORBA), making n-tier development a possibility for the first time. 

PHP Syntax is C-Like

COMMON USES OF PHP

PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them. The other uses of PHP are:

PHP can encrypt data. 

PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user.

Using PHP, you can restrict users to access some pages of your website. 


Characteristics of PHP

Five important characteristics make PHP's practical nature possible: 

Simplicity.

Efficiency.

Security.

Flexibility.

Familiarity.

HELLO WORLD IN PHP


<html>
<head>
<title>Hello World</title>
<body>
 <?php echo "Hello, World!";?>
</body>
</html>





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