/**
* Substitute defined variables, if any found and return the new configuration object
*
* @param Config $config
* @param string $prefix
* @param string $suffix
* @return Config
*/
protected function substituteVars(Config $config, $prefix = '{', $suffix = '}')
{
$arrayConfig = $config->toArray();
if (isset($arrayConfig['variables'])) {
$vars = array_map(function ($x) use($prefix, $suffix) {
return $prefix . $x . $suffix;
}, array_keys($arrayConfig['variables']));
$vals = array_values($arrayConfig['variables']);
$tokens = array_combine($vars, $vals);
$processor = new Token();
$processor->setTokens($tokens);
$processor->process($config);
// Remove variables node
unset($config->variables);
}
return $config;
}
