/usr/share/php/ is in php-superclosure 2.2.0-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/SuperClosure/
/usr/share/php/SuperClosure/SerializerInterface.php
/usr/share/php/SuperClosure/Analyzer/
/usr/share/php/SuperClosure/Analyzer/ClosureAnalyzer.php
/usr/share/php/SuperClosure/Analyzer/Token.php
/usr/share/php/SuperClosure/Analyzer/AstAnalyzer.php
/usr/share/php/SuperClosure/Analyzer/TokenAnalyzer.php
/usr/share/php/SuperClosure/Analyzer/Visitor/
/usr/share/php/SuperClosure/Analyzer/Visitor/ThisDetectorVisitor.php
/usr/share/php/SuperClosure/Analyzer/Visitor/ClosureLocatorVisitor.php
/usr/share/php/SuperClosure/Analyzer/Visitor/MagicConstantVisitor.php
/usr/share/php/SuperClosure/Serializer.php
/usr/share/php/SuperClosure/SerializableClosure.php
/usr/share/php/SuperClosure/autoload.php
/usr/share/php/SuperClosure/Exception/
/usr/share/php/SuperClosure/Exception/ClosureUnserializationException.php
/usr/share/php/SuperClosure/Exception/SuperClosureException.php
/usr/share/php/SuperClosure/Exception/ClosureAnalysisException.php