/**
* Replace all backreferences in the to pattern with the matched groups.
* groups of the source.
* @param string $source The source filename.
*/
private function replaceReferences($source)
{
// FIXME
// Can't we just use engine->replace() to handle this? the Preg engine
// will automatically convert \1 references to $1
// the expression has already been processed (when ->matches() was run in Main())
// so no need to pass $source again to the engine.
$groups = (array) $this->reg->getGroups();
// replace \1 with value of $groups[1] and return the modified "to" string
return preg_replace('/\\\\([\\d]+)/e', "\$groups[\$1]", $this->to);
}
