What could be causing the 'STOR' command not understood error in the ftp_put function in PHP?

The 'STOR' command not understood error in the ftp_put function in PHP could be caused by the FTP server not supporting the 'STOR' command for file uploads. To solve this issue, you can try using the 'APPE' command instead, which appends the file to the remote file if it already exists or creates a new file if it does not. 

// Connect to FTP server
$ftp_server = 'ftp.example.com';
$ftp_user = 'username';
$ftp_pass = 'password';
$ftp_conn = ftp_connect($ftp_server);
ftp_login($ftp_conn, $ftp_user, $ftp_pass);

// Upload file using 'APPE' command
$file_path = '/local/file/path/example.txt';
$remote_file = 'remote_file.txt';
if (ftp_put($ftp_conn, $remote_file, $file_path, FTP_BINARY, 0, 'APPE')) {
    echo "File uploaded successfully.";
} else {
    echo "Error uploading file.";
}

// Close FTP connection
ftp_close($ftp_conn);

Keywords

FTP ftp_put STOR command error PHP

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