I get this error Parse error: syntax error, unexpected '['

I get this error Parse error: syntax error, unexpected '['

"Log In"]); ?>
/** * Renders template, passing in values. */ function render($template,
$values = []) { // if template exists, render it if
(file_exists("../templates/$template")) { // extract variables into local
scope extract($values);
// render header
require("../templates/header.php");
// render template
require("../templates/$template");
// render footer
require("../templates/footer.php");
}
// else err
else
{
trigger_error("Invalid template: $template", E_USER_ERROR);
}
}