In what scenarios would using FTP be more appropriate than HTTP for accessing PHP files on external servers?

Using FTP would be more appropriate than HTTP for accessing PHP files on external servers when you need to securely transfer files between servers, such as when updating or deploying PHP files. FTP allows for direct file manipulation and transfer, making it a more suitable choice for managing server-side files compared to HTTP, which is primarily used for client-server communication. 

// Example PHP code for uploading a file to an external server using FTP

$ftp_server = "ftp.example.com";
$ftp_username = "username";
$ftp_password = "password";
$file_to_upload = "local_file.php";
$remote_file_path = "/public_html/remote_file.php";

// Connect to the FTP server
$ftp_conn = ftp_connect($ftp_server);
$login = ftp_login($ftp_conn, $ftp_username, $ftp_password);

// Upload the file
if (ftp_put($ftp_conn, $remote_file_path, $file_to_upload, FTP_ASCII)) {
    echo "File uploaded successfully";
} else {
    echo "Failed to upload file";
}

// Close the FTP connection
ftp_close($ftp_conn);

Keywords

FTP HTTP PHP files external servers accessing

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