ftp_systype() function in PHP

The ftp_systype() function returns the system type identifier of the remote FTP server. This information can be useful for determining the operating system of the FTP server you're connected to.

Syntax

ftp_systype(connection);

Parameters

The function accepts the following parameter ?

• connection − Required. The FTP connection resource created by ftp_connect() or ftp_ssl_connect()

Return Value

The ftp_systype() function returns a string containing the system type on success, or FALSE on failure. Common return values include "UNIX", "Windows_NT", or other system identifiers.

Example

The following example demonstrates how to retrieve the FTP server's system type ?

<?php
    $ftp_server = "192.168.0.4";
    $ftp_user = "jacob";
    $ftp_pass = "tywg61gh";
    
    // Establish FTP connection
    $conn = ftp_ssl_connect($ftp_server) or die("Could not connect to $ftp_server");
    $login = ftp_login($conn, $ftp_user, $ftp_pass);
    
    // Get system type
    if ($system_type = ftp_systype($conn)) {
        echo "System type = $system_type";
    } else {
        echo "Cannot get the system type!";
    }
    
    // Close connection
    ftp_close($conn);
?>

System type = UNIX

Key Points

• Requires an active FTP connection established via ftp_connect() or ftp_ssl_connect()

• Returns different values depending on the server's operating system

• Useful for conditional logic based on server type

• Always check the return value as it may return FALSE on failure

Conclusion

The ftp_systype() function provides a simple way to identify the operating system of an FTP server. This information can help in writing platform-specific FTP operations and troubleshooting connection issues.