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Details of the .php3 file extension

The table below provides useful information about the .php3 file extension. It answers questions such as:

  • What is the .php3 file?
  • What program do I need to open a .php3 file?
  • How can the .php3 file be opened, edited or printed?
  • Where can I find the specifications for .php3?
  • Which MIME-type is associated with the .php3 extension?
  • How can I convert .php3 files to another format?
  • What are other, similar filename extensions to .php3?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

.php file extension details

PHP Script

PHP Script .php file icon
PHP file is a PHP Script. PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Category: Development files
Mime-type: application/x-httpd-php
Magic number: -
Magic string: -
Sample: -
PHP aliases:
php2, php3, php4, php5, phps, pht, phtm, phtml
PHP related links:
PHP related extensions:
Active Server Page

Hypertext Markup Language Document

Perl Script

Cascading Style Sheets

Python Script

JSP Markup Language

JRun Server Application

Multipurpose Internet Mail Extension HTML

ColdFusion Markup Language

Homestead Sitebuilder Document

Other types of files may also use the .php3 file extension.

.php3 file extension error

The .php3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

php, pp3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PHP Script
Callisto PhotoParade Slideshow
RawTherapee Sidecar File
open .php3 file

Can't open a .php3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .php3 file association, check the FAQ.

.php3 file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .php3 file extension, write to us!

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