check_upload_mimes( array $mimes ): array

Checks an array of MIME types against a list of allowed types.


Description

WordPress ships with a set of allowed upload filetypes, which is defined in wp-includes/functions.php in get_allowed_mime_types() . This function is used to filter that list against the filetypes allowed provided by Multisite Super Admins at wp-admin/network/settings.php.


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Parameters

$mimes array Required

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Return

array


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Source

File: wp-includes/ms-functions.php. View all references

function check_upload_mimes( $mimes ) {
	$site_exts  = explode( ' ', get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) );
	$site_mimes = array();
	foreach ( $site_exts as $ext ) {
		foreach ( $mimes as $ext_pattern => $mime ) {
			if ( '' !== $ext && false !== strpos( $ext_pattern, $ext ) ) {
				$site_mimes[ $ext_pattern ] = $mime;
			}
		}
	}
	return $site_mimes;
}


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Changelog

Changelog
Version Description
MU (3.0.0) Introduced.

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