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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:
2 Type the following URL in the
1 Open a Web browser.. Address bar: http://localhost/hello.php
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:
Abstract And As Break callable
Case catch class clone const
continue declare default do echo
else elseif empty enddeclare endfor
endforeach endif endswitch endwhile extends
final finally fn for foreach
Techipedia (PHP) 165
