Lines Matching refs:null
28 private ?DelimiterInterface $top = null;
34 if ($this->top !== null) {
41 private function findEarliest(?DelimiterInterface $stackBottom = null): ?DelimiterInterface
44 while ($delimiter !== null && $delimiter->getPrevious() !== $stackBottom) {
53 if ($delimiter->getPrevious() !== null) {
58 if ($delimiter->getNext() === null) {
76 while ($delimiter !== null && $delimiter !== $opener) {
83 public function removeAll(?DelimiterInterface $stackBottom = null): void
93 while ($opener !== null) {
112 while ($opener !== null) {
131 while ($closer !== null) {
135 if (! $closer->canClose() || $delimiterProcessor === null) {
146 while ($opener !== null && $opener !== $stackBottom && $opener !== ($openersBottom[$delimiterChar] ?? null)) {
180 \assert($opener !== null);