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PHP: Difference between revisions
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PHP is a server-side programming language that is very popular and often frowned upon. The acronym PHP was originally Personal Homepage to which later it changed its name to a more accurate Hypertext Pre-Processor. It uses a C style syntax and even a lot basic C functions. | PHP is a server-side programming language that is very popular and often frowned upon. The acronym PHP was originally Personal Homepage to which later it changed its name to a more accurate Hypertext Pre-Processor. It uses a C style syntax and even a lot basic C functions. | ||
==Examples== | ==Examples== | ||
PHP is written inline with HTML documents, making it ideal for people who have experience with designing websites with HTML/CSS and want to create a more dynamic web experience. PHP is processed by the server before it is rendered in the browser. | |||
All of the examples here assume that you have a rudimentary understanding of HTML and have webserver software installed on your system, or access to a webserver with PHP. | |||
===Hello World!=== | |||
<?php echo "Hello world!"; ?> | |||
If you put this code into a file and give it a ''.php'' extension, it will render plain text to the web browser. As you can see every piece of PHP must be opened and closed with the PHP html tags. | |||
===Date=== | |||
<?php | |||
// variable declaration | |||
$date = date("Y/m/d"); | |||
// using the variable with the echo function | |||
echo $date; | |||
?> | |||
[http://ca1.php.net/manual/en/function.date.php The Date function] is a great tool to show how PHP generates dynamic content. The above format displays the full year, the month and day all in numbers like so: 1999/02/16. | |||
==Set Up== | ==Set Up== | ||
Revision as of 19:32, 28 January 2014
PHP is a server-side programming language that is very popular and often frowned upon. The acronym PHP was originally Personal Homepage to which later it changed its name to a more accurate Hypertext Pre-Processor. It uses a C style syntax and even a lot basic C functions.
Examples
PHP is written inline with HTML documents, making it ideal for people who have experience with designing websites with HTML/CSS and want to create a more dynamic web experience. PHP is processed by the server before it is rendered in the browser.
All of the examples here assume that you have a rudimentary understanding of HTML and have webserver software installed on your system, or access to a webserver with PHP.
Hello World!
<?php echo "Hello world!"; ?>
If you put this code into a file and give it a .php extension, it will render plain text to the web browser. As you can see every piece of PHP must be opened and closed with the PHP html tags.
Date
<?php
// variable declaration
$date = date("Y/m/d");
// using the variable with the echo function
echo $date;
?>
The Date function is a great tool to show how PHP generates dynamic content. The above format displays the full year, the month and day all in numbers like so: 1999/02/16.