src/MemoizedCombinedRegexp.php:40:46: MixedInferredReturnType: Could not verify return type 'bool' for Yiisoft\Strings\MemoizedCombinedRegexp::matches (see https://psalm.dev/047)

src/MemoizedCombinedRegexp.php:44:16: MixedArrayAccess: Cannot access array value on mixed variable $this->results[$string] (see https://psalm.dev/051)

src/MemoizedCombinedRegexp.php:44:16: MixedReturnStatement: Could not infer a return type (see https://psalm.dev/138)

src/MemoizedCombinedRegexp.php:62:65: MixedInferredReturnType: Could not verify return type 'int' for Yiisoft\Strings\MemoizedCombinedRegexp::getMatchingPatternPosition (see https://psalm.dev/047)

src/MemoizedCombinedRegexp.php:66:16: MixedReturnStatement: Could not infer a return type (see https://psalm.dev/138)

src/MemoizedCombinedRegexp.php:66:55: UnrecognizedExpression: Psalm does not understand PhpParser\Node\Expr\Throw_ for PHP 7 4 (see https://psalm.dev/048)

src/MemoizedCombinedRegexp.php:83:13: MixedArrayAssignment: Cannot access array value on mixed variable $this->results[$string]['matches'] (see https://psalm.dev/117)

src/MemoizedCombinedRegexp.php:84:13: MixedArrayAssignment: Cannot access array value on mixed variable $this->results[$string]['position'] (see https://psalm.dev/117)

src/MemoizedCombinedRegexp.php:86:13: MixedArrayAssignment: Cannot access array value on mixed variable $this->results[$string]['matches'] (see https://psalm.dev/117)

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