Popular objects
Mars
Saturn
Moon
Sgr A*
Upcoming sky eventsEclipses, conjunctions, meteor showers
Responsible gambling. Factual statistics, not a tip. Excessive gambling is harmful, adults 18+ only.
Adobe Commerce
Adobe Commerce architecture
Indexer and message queue
GraphQL
Cart pricing engine
Shop
Cart
Admin
Layered navigation
Algorithms
Sorting algorithms
Maze
Rubik's cube
Fibonacci
AI
AI code review
AI comparison
Graphics & maths
Fractal generator
Fourier epicycles
Function plotter
Artwork generator
Image upscaler
Language playground
Modern PHP language features
<?phpAll PHP experimentsLive demos running real PHP on the server

Cart

What is in your cart, and exactly how much the enabled discount rules take off - in priority order, cascading.

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Active discount rules

20% off with the VIP20 coupon - overrides every other discountBuy 2 coffees, get 1 free5% off on carts over 10,000 Ft10% off with the SUMMER10 coupon2,000 Ft off on carts over 25,000 FtFree sticker pack on carts over 40,000 Ft

Coupon code

Try: SUMMER10 or VIP20