> */ public function getNodeTypes() : array { return [String_::class]; } /** * @param String_ $node */ public function refactor(Node $node) : ?Node { $kind = $node->getAttribute(AttributeKey::KIND); if (!\in_array($kind, [String_::KIND_HEREDOC, String_::KIND_NOWDOC], \true)) { return null; } // the doc label is not in the string → ok /** @var string $docLabel */ $docLabel = $node->getAttribute(AttributeKey::DOC_LABEL); if (\strpos($node->value, $docLabel) === \false) { return null; } $node->setAttribute(AttributeKey::DOC_LABEL, $this->uniquateDocLabel($node->value, $docLabel)); // invoke redraw $node->setAttribute(AttributeKey::ORIGINAL_NODE, null); return $node; } private function uniquateDocLabel(string $value, string $docLabel) : string { $docLabel .= self::WRAP_SUFFIX; $docLabelCounterTemplate = $docLabel . '_%d'; $i = 0; while (\strpos($value, $docLabel) !== \false) { $docLabel = \sprintf($docLabelCounterTemplate, ++$i); } return $docLabel; } }