PHP Classes

PHP MIME Type: Get the MIME type of files from name extension

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php-mimetype 1.1.6MIT/X Consortium ...5.6PHP 5, Files and Folders


This class can get the MIME type of files from name extension.

It can take the extension of a file name and determine the MIME type.

The class can also determine the file name extension that is associated with a given MIME type.

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September 2017
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MIME types are text strings that represent the type of data contained on a file or email messages for instance.

Usually each MIME type is associated with the extension of the file name.

This class not only can determine the MIME type associated to a given file name extension, but can also return the file name extension typically associated with a file of a given type.

Manuel Lemos
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PHP MimeType library

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Versión en español

PHP library for obtain headers MIME.


This library is supported by PHP versions 5.6 or higher and is compatible with HHVM versions 3.0 or higher.


The preferred way to install this extension is through Composer.

To install PHP MimeType library, simply:

$ composer require Josantonius/MimeType

The previous command will only install the necessary files, if you prefer to download the entire source code you can use:

$ composer require Josantonius/MimeType --prefer-source

You can also clone the complete repository with Git:

$ git clone

Or install it manually:

Download MimeType.php and MimeTypesCollection.php:

$ wget

$ wget

Available Methods

Available methods in this library:

- Get array with all MIME types:


# Return (void)

- Get MIME type from file extension:


| Attribute | Description | Type | Required | --- | --- | --- | --- | | $ext | File extension. | string | Yes |

# Return (string|false) ? MIME type or false

- Get file extension from MIME type:


| Attribute | Description | Type | Required | --- | --- | --- | --- | | $mime | MIME type. | string | Yes |

# Return (string|false) ? File extension or false.

Quick Start

To use this library with Composer:

require __DIR__ . '/vendor/autoload.php';

use Josantonius\MimeType\MimeType;

Or If you installed it manually, use it:

require_once __DIR__ . '/MimeType.php';
require_once __DIR__ . '/MimeTypesCollection.php';

use Josantonius\MimeType\MimeType;


Example of use for this library:

require __DIR__ . '/vendor/autoload.php';

use Josantonius\MimeType\MimeType;

echo MimeType::getMimeFromExtension('.json'); // application/json

echo MimeType::getExtensionFromMime('text/html'); // .html


array(682) {
  string(27) "application/vnd.lotus-1-2-3"
  string(18) "text/vnd.in3d.3dml"
  string(11) "video/3gpp2"
  string(10) "video/3gpp"
  string(27) "application/x-7z-compressed"
  string(28) "application/x-authorware-bin"
  string(11) "audio/x-aac"
  string(28) "application/x-authorware-map"
  string(28) "application/x-authorware-seg"
  string(21) "application/x-abiword"


To run tests you just need composer and to execute the following:

$ git clone

$ cd PHP-MimeType

$ composer install

Run unit tests with PHPUnit:

$ composer phpunit

Run PSR2 code standard tests with PHPCS:

$ composer phpcs

Run PHP Mess Detector tests to detect inconsistencies in code style:

$ composer phpmd

Run all previous tests:

$ composer tests


  • [ ] Add new feature.
  • [ ] Improve tests.
  • [ ] Improve documentation.
  • [ ] Refactor code for disabled code style rules. See phpmd.xml and .php_cs.dist.


If you would like to help, please take a look at the list of issues or the To Do checklist.

Pull requests

  • Fork and clone.
  • Run the command `composer install` to install the dependencies. This will also install the dev dependencies.
  • Run the command `composer fix` to excute code standard fixers.
  • Run the tests.
  • Create a branch, commit, push and send me a pull request.

Thank you to all the people who already contributed to this project!

<img alt="vincent-guesnard" src="" height="117" width="117">|<img alt="MASNathan" src="" height="117" width="117"> :---:|:---:| vincent-guesnard|MASNathan|


The file structure from this repository was created with PHP-Skeleton.


This project is licensed under MIT license. See the LICENSE file for more info.


2016 - 2018 Josantonius,

If you find it useful, let me know :wink:

You can contact me on Twitter or through my email.

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  Files folder image Files  /  src  
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  Plain text file MimeType.php Class Class source
  Plain text file MimeTypesCollection.php Class Class source

  Files folder image Files  /  tests  
File Role Description
  Plain text file MimeTypeTest.php Class Class source

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