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Execute PHP From an HTML File

PHP is a server-side programming language. It is used in conjunction with HTML to enhance the features of a website. We can also use it to add a log-in screen,  redirect visitors, and plenty of other features. If your website is already published on the web, you’ll need to alter it a bit to use the PHP. Generally …

By InDesign Media | Monday 9th October 2017
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Html to PHP

PHP is a server-side programming language. It is used in conjunction with HTML to enhance the features of a website. We can also use it to add a log-in screen,  redirect visitors, and plenty of other features. If your website is already published on the web, you’ll need to alter it a bit to use the PHP.

Generally speaking, if it sees a .htm or .html file, it sends it right to the browser. Because it doesn’t have anything to process on the server. If it sees a .php extension, it knows that it needs to execute the appropriate code before passing it along to the browser.

HOW CAN I EXECUTE PHP CODE ON MY EXISTING MYFILE.HTML PAGE?

When someone access a webpage, the server checks the extension to know how to handle the page.

WHAT’S THE PROBLEM?

You find the perfect script, and you want to run it on your website, but you need to include PHP on your page for it to work. You could just rename your pages to yourpage.php instead of yourpage.html, but you may already have incoming links or search engine ranking, so you don’t want to change the file name.

What can you do?

If you are creating a new file anyway, you may as well use .php, but the way to execute PHP on a .html page is to modify the .htaccess file. This file may be hidden, so depending upon your FTP program, you may have to modify some settings to see it. Then you just need to add this line for .html:

AddType application/x-httpd-php .html

or for .htm:

AddType application/x-httpd-php .htm

If you only plan on including the PHP on one page, it is better to set it up this way:


AddType application/x-httpd-php .html

This code makes the PHP executable only on the yourpage.html file and not on all of your html pages.

THINGS TO WATCH OUT FOR

If you have an existing .htaccess file, add the new code to it, do not overwrite it or other settings may stop working. Always be cautious when working on your .htaccess file and ask your host if you need help.
Anything in your .html files that starts with <? will now be executed as PHP, so if it’s in your file for some other reason (as an XML tag, for example), you need to echo these lines to prevent errors. For example, use:

source: https://www.thoughtco.com/execute-php-from-a-html-file-2693780

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