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# ftp_size

(PHP 3>= 3.0.13, PHP 4 , PHP 5)

ftp_size -- Returns the size of the given file

## Description

int ftp_size ( resource ftp_stream, string remote_file)

ftp_size() returns the size of a remote_file in bytes. If an error occurs, or if the given file does not exist, or is a directory, -1 is returned. Not all servers support this feature.

Returns the file size on success, or -1 on error.

示範 1.ftp_size() 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 size of $file $res = ftp_size($conn_id, $file); if ($res != -1) { echo "size of $file is $res bytes"; } else { echo "couldn't get the size"; } // close the connection ftp_close($conn_id); ?>`

See also ftp_rawlist().

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