wp_check_filetype( string $filename, string[] $mimes = null )

Retrieve the file type from the file name.


Description Description

You can optionally define the mime array, if needed.


Top ↑

Parameters Parameters

$filename

(string) (Required) File name or path.

$mimes

(string[]) (Optional) Array of mime types keyed by their file extension regex.

Default value: null


Top ↑

Return Return

(array) Values for the extension and mime type.

  • 'ext'
    (string|false) File extension, or false if the file doesn't match a mime type.
  • 'type'
    (string|false) File mime type, or false if the file doesn't match a mime type.



Top ↑

Source Source

File: wp-includes/functions.php

function wp_check_filetype( $filename, $mimes = null ) {
	if ( empty( $mimes ) ) {
		$mimes = get_allowed_mime_types();
	}
	$type = false;
	$ext  = false;

	foreach ( $mimes as $ext_preg => $mime_match ) {
		$ext_preg = '!\.(' . $ext_preg . ')$!i';
		if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
			$type = $mime_match;
			$ext  = $ext_matches[1];
			break;
		}
	}

	return compact( 'ext', 'type' );
}

Top ↑

Changelog Changelog

Changelog
Version Description
2.0.4 Introduced.

Top ↑

User Contributed Notes User Contributed Notes

You must log in before being able to contribute a note or feedback.