get_allowed_mime_types( int|WP_User $user = null )

Retrieve list of allowed mime types and file extensions.


Description Description


Parameters Parameters

$user

(int|WP_User) (Optional) User to check. Defaults to current user.

Default value: null


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Return Return

(array) Array of mime types keyed by the file extension regex corresponding to those types.


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Source Source

File: wp-includes/functions.php

function get_allowed_mime_types( $user = null ) {
	$t = wp_get_mime_types();

	unset( $t['swf'], $t['exe'] );
	if ( function_exists( 'current_user_can' ) )
		$unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );

	if ( empty( $unfiltered ) )
		unset( $t['htm|html'] );

	/**
	 * Filters list of allowed mime types and file extensions.
	 *
	 * @since 2.0.0
	 *
	 * @param array            $t    Mime types keyed by the file extension regex corresponding to
	 *                               those types. 'swf' and 'exe' removed from full list. 'htm|html' also
	 *                               removed depending on '$user' capabilities.
	 * @param int|WP_User|null $user User ID, User object or null if not provided (indicates current user).
	 */
	return apply_filters( 'upload_mimes', $t, $user );
}

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Changelog Changelog

Changelog
Version Description
2.8.6 Introduced.


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User Contributed Notes User Contributed Notes

  1. Skip to note content
    Contributed by Codex

    Function to retrieve the mime type icon of a file by its extension.

    <?php
    /**
     * Get mime type icon URL based on file extension.
     *
     * @param $file_ext The file extension to get the icon for.
     * @return string Icon URL.
     */
    function wpdocs_get_icon_by_file_extension($file_ext) {
    	$mimes = get_allowed_mime_types();
    	if ( ! empty( $mimes ) ) {
    		foreach ($ mimes as $type => $mime ) {
    			if ( false !== strpos( $type, $file_ext ) ) {
    				return wp_mime_type_icon($mime);
    			}
    		}
    	}
    }
    ?>
    <img src="<?php echo esc_url( wpdocs_get_icon_by_file_extension( 'mp4' ) ); ?>" />
    

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