Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.


Test if the current device has the capability to upload files.

Description Description

Return Return

(bool) Whether the device is able to upload files.

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Source Source

File: wp-includes/functions.php

function _device_can_upload() {
	if ( ! wp_is_mobile() ) {
		return true;


	if ( strpos( $ua, 'iPhone' ) !== false
		|| strpos( $ua, 'iPad' ) !== false
		|| strpos( $ua, 'iPod' ) !== false ) {
			return preg_match( '#OS ([\d_]+) like Mac OS X#', $ua, $version ) && version_compare( $version[1], '6', '>=' );

	return true;

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Changelog Changelog

Version Description
3.4.0 Introduced.

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