Getting Started - Become PHP Expert in 30 days.
What is PHP
PHP is a programming language, created for web development.
Who Use PHP
Facebook, Yahoo, Wikipedia, Flickr, SourceForge, Photobucket and many other large sites use PHP.
Lets Say Hello to PHP
This is your first PHP program.
Create a file
hello.php
Paste following content to that file.
PHP Code:
<?php
echo "Hello from PHP";
This is very basic PHP program. Upload it to web site (or local web server), access it with url
http://yoursite/hello.php
In this program, we use one PHP command (programmers call these commands functions) echo. echo function is used to display text. Try changing the text and see how it works.
Find
PHP Code:
echo "Hello from PHP";
Replace with
PHP Code:
echo "I am a PHP Programmer now";
or
PHP Code:
echo "I have 10 cats and 2 dogs";
Exercise
In PHP each instructions end with semicolon (;).
Remove ; from end of PHP line, upload the file to web server and see what error you get.
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