ftp_mdtm

(PHP 4, PHP 5, PHP 7)

ftp_mdtm — Returns the last modified time of the given file

설명

int ftp_mdtm ( resource $ftp_stream , string $remote_file )

ftp_mdtm() gets the last modified time for a remote file.

Note:
Not all servers support this feature!

Note:
ftp_mdtm() does not work with directories.

인수

ftp_stream: The link identifier of the FTP connection.
remote_file: The file from which to extract the last modification time.

반환값

Returns the last modified time as a Unix timestamp on success, or -1 on error.

예제

Example #1 ftp_mdtm() example


<?php

$file = 'somefile.txt';

// set up basic connection
$conn_id = ftp_connect($ftp_server);

// login with username and password
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);

//  get the last modified time
$buff = ftp_mdtm($conn_id, $file);

if ($buff != -1) {
    // somefile.txt was last modified on: March 26 2003 14:16:41.
    echo "$file was last modified on : " . date("F d Y H:i:s.", $buff);
} else {
    echo "Couldn't get mdtime";
}

// close the connection
ftp_close($conn_id);

?>