How can one troubleshoot FTP upload failures in PHP?

To troubleshoot FTP upload failures in PHP, you can check for errors returned by the FTP functions, verify file permissions, ensure the FTP server is running properly, and confirm the correct FTP credentials are being used. 

// Example PHP code snippet to troubleshoot FTP upload failures

$ftp_server = "ftp.example.com";
$ftp_username = "username";
$ftp_password = "password";
$file_to_upload = "example.txt";

$conn_id = ftp_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_username, $ftp_password);

if (!$conn_id || !$login_result) {
    echo "FTP connection failed!";
} else {
    if (ftp_put($conn_id, "remote_file.txt", $file_to_upload, FTP_ASCII)) {
        echo "File uploaded successfully!";
    } else {
        echo "FTP upload failed!";
    }
}

ftp_close($conn_id);

Keywords

FTP upload failures troubleshooting PHP

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