Parse error: syntax error, unexpected ‘ch’ (T_STRING)

// To protect MySQL injection for Security purpose
$stmt = $conn->prepare($SQuery);
$stmt->bind_param("i", $user_id);
$stmt->execute();
$stmt->bind_result($fullName);
$stmt->store_result();
if($stmt->fetstmt->store_result()
ch()) //fetching the contents of the row