| private coalesceSources ( mixed $source = null ) : mixed | ||
| $source | mixed | A source data argument, if available. |
| return | mixed | The best available source, after fallbacks. |
private function coalesceSources($source = null)
{
if (isset($source)) {
return $source;
} elseif (isset($this->source)) {
return $this->source;
}
return $_SERVER;
}