Function backend_set_version

tests/integration/php_version.rs:581–585

()

#[test]
fn backend_set_version() {
    let backend = create_test_backend();
    backend.set_php_version(PhpVersion::new(8, 2));
    assert_eq!(backend.php_version(), PhpVersion::new(8, 2));
}

// ─── End-to-end: hover uses version filtering ───────────────────────────────