protected function Twig_NodeVisitor_SafeAnalysis::intersectSafe in Translation template extractor 6.3

Same name and namespace in other branches

1. 7.3 vendor/Twig/NodeVisitor/SafeAnalysis.php \Twig_NodeVisitor_SafeAnalysis::intersectSafe()

1 call to Twig_NodeVisitor_SafeAnalysis::intersectSafe()

Twig_NodeVisitor_SafeAnalysis::leaveNode in vendor/Twig/NodeVisitor/SafeAnalysis.php

Called after child nodes are visited.

File

vendor/Twig/NodeVisitor/SafeAnalysis.php, line 115

Class

Twig_NodeVisitor_SafeAnalysis

Code

protected function intersectSafe(array $a = null, array $b = null) {
  if (null === $a || null === $b) {
    return array();
  }
  if (in_array('all', $a)) {
    return $b;
  }
  if (in_array('all', $b)) {
    return $a;
  }
  return array_intersect($a, $b);
}