Lines Matching refs:stack

64         $stack = [];
73                         $stack[] = new PageSet($this->terms[$word]->getEntityFrequencies());
83                     $candidates = end($stack) ?: new PageSet();
84                     $stack[] = $this->matchPhrase($phrase, $this->materialize($candidates));
90                     $stack[] = new NamespacePredicate($ns);
94                     $right = array_pop($stack);
95                     $left = array_pop($stack);
96                     $stack[] = $this->opAnd($left, $right);
100                     $right = array_pop($stack);
101                     $left = array_pop($stack);
102                     $stack[] = $this->opOr($left, $right);
106                     $operand = array_pop($stack);
107                     $stack[] = new NegatedEntry($operand);
112         $result = array_pop($stack) ?? new PageSet();