wp_ext2type( string $ext )

Retrieve the file type based on the extension name.

Parameters

$ext

(string) (Required) The extension to search.

Return

(string|void) The file type, example: audio, video, document, spreadsheet, etc.

Source

File: wp-includes/functions.php 

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

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

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Related

Uses

Uses
Uses Description
wp-includes/functions.php: wp_get_ext_types()

Retrieves the list of common file extensions and their types.

Changelog

Changelog
Version Description
WP-2.5.0 Introduced.