.html vs .php extensions

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Why when I put this online the php content is being ignored when having the page index.html, while when I save the page as index.php the php content is displayed.

index.html

XML

<html>
<body>

<h1>Welcome to my home page.</h1>
<?php include 'vars.php';
echo "I have a $color $car"; // I have a red BMW
?>

</body>
</html>

vars.php

PHP

<?php
$color='red';
$car='BMW';
?>

Posted 1-Jan-14 4:13am

datt265

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Treat my content as plain text, not as HTML

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ZurdoDev · Accepted Answer · 2014-01-01T04:16:00

Solution 1

If you name a file with .html then the server is not going to parse any code pieces. When it sees one with .php it will know that it needs to look for php code.

Basically it's the same as when you double-click on an .xlsx file. The computer knows to open it with Excel.

Posted 1-Jan-14 4:16am

ZurdoDev

Comments

Killzone DeathMan 6-Jan-14 9:18am

Good answer :)

Kornfeld Eliyahu Peter · Accepted Answer · 2014-01-01T04:19:00

The extension tells the server side (web server) to which handler to pass the file.
HTML extension will go to the basic html handler, but files with PHP extension will be passes to an other handler that can process PHP commands.
If your html file contains PHP blocks the basic handler will ignore them as he does not understand it...