WP_Filesystem_ftpsockets::mtime( string $file )
Gets the file modification time.
Parameters
- $file
 -  
(string) (Required) Path to file.
 
Return
(int|false) Unix timestamp representing modification time, false on failure.
Source
File: wp-admin/includes/class-wp-filesystem-ftpsockets.php
public function mtime( $file ) {
		return $this->ftp->mdtm( $file );
	}  Changelog
| Version | Description | 
|---|---|
| 2.5.0 | Introduced. | 
    © 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/classes/wp_filesystem_ftpsockets/mtime