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function is not described

wp_ext2type() WP 2.5.0

Retrieve the file type based on the extension name.

No Hooks.

Return

String|null. The file type, example: audio, video, document, spreadsheet, etc.

Usage

wp_ext2type( $ext );
$ext(string) (required)
The extension to search.

Changelog

Since 2.5.0 Introduced.

Code of wp_ext2type() WP 5.8.2

function wp_ext2type( $ext ) {
	$ext = strtolower( $ext );

	$ext2type = wp_get_ext_types();
	foreach ( $ext2type as $type => $exts ) {
		if ( in_array( $ext, $exts, true ) ) {
			return $type;
		}
	}
}