/** Performs matching on paths specified by arrays or objects.
* @internal **/
private static function _extractPaths($node, $paths, $context)
{
$return = array();
foreach ($paths as $key => $val) {
if (is_int($key)) {
// merge into current level
$x = Matcher::_evalPath($node, $val, $context);
if (is_scalar($x) || $x === null) {
throw new \Exception("Cannot merge scalar value" . (is_string($val) ? " produced by path `{$val}`" : "") . " Expected array or object.");
}
if (is_object($x)) {
$x = (array) $x;
}
$return = array_merge($return, $x);
} else {
$return[$key] = Matcher::_evalPath($node, $val, $context);
}
}
return is_object($paths) ? (object) $return : $return;
}
