PHP Interduction
PHP originally stood for Personal Home Page, but it now stands for the recursive backronym PHP: Hypertext Preprocessor. Originally created by Rasmus Lerdorf in 1994.
PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page.
PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page.
PHP Characteristics
Five important characteristics make PHP's practical nature possible
- Simplicity
- Efficiency
- Security
- Flexibility
- Familiarity
PHP File
PHP file can contain text, html, css, JavaScript, Images and PHP code.
PHP file have extension ".php".
PHP code start with '<?php' and end with '<?' in a php fie.
PHP code start with '<?php' and end with '<?' in a php fie.
First PHP Example
<!DOCTYPE html>
<html>
<body>
<?php
echo "Hello friends! This is Jahul Hasan from http://php-points.blogspot.in.";
?>
</body>
</html>
OUTPUT
Hello friends! This is Jahul Hasan from http://php-points.blogspot.in.
