wp_prevent_unsupported_mime_type_uploads – Hook

apply_filters( ‘wp_prevent_unsupported_mime_type_uploads’, bool $check_mime, string|null $mime_type )

Filter whether the server should prevent uploads for image types it doesn’t support. Default true.

Description

Developers can use this filter to enable uploads of certain image types. By default image types that are not supported by the server are prevented from being uploaded.

Parameters

$check_mimebool: Whether to prevent uploads of unsupported image types.
$mime_typestring|null: The mime type of the file being uploaded (if available).

Source

$prevent_unsupported_uploads = apply_filters( 'wp_prevent_unsupported_mime_type_uploads', true, isset( $files['file']['type'] ) ? $files['file']['type'] : null );

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Used by	Description
WP_REST_Attachments_Controller::create_item_permissions_check()`wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php`	Checks if a given request has access to create an attachment.
media_upload_form()`wp-admin/includes/media.php`	Outputs the legacy media upload form.

Changelog

Version	Description
6.8.0	Introduced.

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