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Writing First PHP Script
The echo statement is used in a PHP script to display the output on the web page. It can be used with
or without parenthesis. Let us write a PHP script to display Hello World! message. Perform the following
steps to create the script:
Step 1: Open Notepad and type the following code:
<HTML>
<HEAD> <TITLE> First PHP Script </TITLE> </HEAD>
<BODY>
<?php
echo "Hello World!";
?>
</BODY>
</HTML>
Step 2: Save the file with the Hello.php name under the C:\xampp\htdocs folder.
Running a Script
Perform the following steps to run a script:
Type the following URL in the Address
Open a web browser. 1 bar: http://localhost/hello.php 2
The echo statement will display Hello World! on the web page. Note that every PHP statement should be
terminated with a semicolon. Ensure that the Apache HTTP Server should be running before executing
the script.
PHP KEYWORDS
PHP provides a set of keywords that are reserved words. They cannot be used as variable names, class
names or method names. Some of the keywords are as follows:
and as break case catch
class const continue default do
echo else elseif endfor endforeach
endif endswitch endwhile extends final
finally for foreach function global
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