https://www.php.net/manual/it/reflectionmethod.isprivate.php
PHP: ReflectionMethod::isPrivate - Manual
Checks if method is private
phpmanual
https://codeql.github.com/codeql-standard-libraries/javascript/semmle/javascript/Classes.qll/predicate.Classes$MemberDeclaration$isPrivate.0.html
isPrivate
API documentation for CodeQL
https://www.php.net/manual/ja/componere-value.isprivate.php
PHP: Componere\Value::isPrivate - Manual
Accessibility Detection
phpvaluemanual