$polygonBox = [
    [55.761515, 37.600375],
    [55.759428, 37.651156],
    [55.737112, 37.649566],
    [55.737649, 37.597301],
];

$sbPolygonEngine = new sbPolygonEngine($polygonBox);

$isCrosses = $sbPolygonEngine->isCrossesWith(55.746768, 37.625605);

// $isCrosses is boolean

$sbPolygonEngine->previewBounds($draw_perpendicular = true, $draw_center_dot = true);
// it will return an <img src="src="data:image/jpeg;base64,....">