How to backup MongoDB data using PHP?

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<?php
// Set the path to the mongodump utility
$dumpPath = '/usr/bin/mongodump';

// Set the MongoDB connection information
$host = 'localhost';
$port = '27017';
$username = 'your_username';
$password = 'your_password';
$database = 'your_database';

// Set the backup directory and filename
$backupDir = '/path/to/backup/directory';
$backupFile = $database . '-' . date('Y-m-d-H-i-s') . '.tar.gz';

// Construct the command to execute
$command = sprintf(
    '%s --host %s --port %s --username %s --password %s --db %s --archive=%s/%s --gzip',
    $dumpPath,
    $host,
    $port,
    $username,
    $password,
    $database,
    $backupDir,
    $backupFile
);

// Execute the command
exec($command, $output, $returnVar);

// Check the return value for errors
if ($returnVar !== 0) {
    echo "Error: Failed to create backup";
} else {
    echo "Backup created successfully: " . $backupFile;
}
?>