apply_filters( 'upload_mimes', array $t , int|WP_User|null $user )
Filters list of allowed mime types and file extensions.
Parameters
- $t
-
(array) Mime types keyed by the file extension regex corresponding to those types.
- $user
-
(int|WP_User|null) User ID, User object or null if not provided (indicates current user).
Source
Changelog
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |
User Contributed Notes
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(example taken from @dotmastaz’s feedback)
Allow SVGZ mime type:
<?php function svgz_mime_types( $mimes ) { // SVGZ allowed mime types. $mimes['svgz'] = 'application/x-gzip'; return $mimes; } add_filter( 'upload_mimes', 'svgz_mime_types' ); ?>And if you want to know what is your real file mime type, you can use this service: https://wp-check-mime-type.com/.
Add MIME types.
function my_custom_mime_types( $mimes ) { // New allowed mime types. $mimes['svg'] = 'image/svg+xml'; $mimes['svgz'] = 'image/svg+xml'; $mimes['doc'] = 'application/msword'; // Optional. Remove a mime type. unset( $mimes['exe'] ); return $mimes; } add_filter( 'upload_mimes', 'my_custom_mime_types' );Expand full source codeCollapse full source code
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Feedback
Allow SVGZ mime type:
<?php function svgz_mime_types( $mimes ) { // SVGZ allowed mime types. $mimes['svgz'] = 'application/x-gzip'; return $mimes; } add_filter( 'upload_mimes', 'svgz_mime_types' ); ?>And if you want to know what is your real file mime type, you can use this service: https://wp-check-mime-type.com/. — By dotMastaz —
Filter the upload mime types to allow JSON files.
<?php /** * Allow JSON file uploads to WordPress media library. * * Filters the uploads mime types to allow JSON files. * * @param array $types Currently allowed types. * * @return array Filtered types. */ add_filter( 'upload_mimes', function( $types ) { return array_merge( $types, array( 'json' => 'text/plain' ) ); } );Expand full source codeCollapse full source code
Allow CSV file type.
function extend_mime_types( $types ) { $types['csv'] = 'text/csv'; return $types; } add_filter( 'upload_mimes', 'extend_mime_types' );Allow uploading fonts files.
function wpdocs_allow_mime_types( $mimes ) { $mimes['ttf'] = 'font/ttf'; $mimes['woff'] = 'font/woff'; $mimes['woff2'] = 'font/woff2'; } return $mimes; } add_filter( 'upload_mimes', 'wpdocs_allow_mime_types' );