Method is_static

codegraph-kernel/src/php.rs:440–444

(&self, node: Node)

    }

    fn is_static(&self, node: Node) -> bool {
        (0..node.child_count())
            .filter_map(|i| node.child(i))
            .any(|c| c.kind() == "static_modifier")
    }

    /// extractPhpReturnType — `self`/`static` collapse to the `'self'` marker
    /// (#608 chained-call fuel); primitives/unions → None.