What are the differences between FTPS and SFTP in PHP?

FTPS and SFTP are both secure protocols for transferring files, but they have some key differences. FTPS (File Transfer Protocol Secure) is an extension of FTP that adds support for SSL/TLS encryption, while SFTP (SSH File Transfer Protocol) is a separate protocol that runs over SSH and encrypts both commands and data. In PHP, you can use the `ftp_ssl_connect()` function to establish an FTPS connection, while for SFTP, you would typically use a library like phpseclib. 

// Example of connecting to an FTPS server
$ftp_server = 'ftp.example.com';
$ftp_user = 'username';
$ftp_pass = 'password';

$conn_id = ftp_ssl_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_user, $ftp_pass);

if ($conn_id && $login_result) {
    echo 'Connected to FTPS server';
} else {
    echo 'Failed to connect to FTPS server';
}

ftp_close($conn_id);

Keywords

FTPS SFTP PHP FTP functions encryption

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