Build a web Crawler/Bot

We Need a web crawler/bots (and macros) to get constant data from this url: [login to view URL] Must be made in PHP, and the output must be a JSON file. Must see all listings of properties and get the following info on each property: 1. Promotor 2. TipoImovel 3. Tipologia 4. Preco 5. Preco2 6. PrecoM2 7. Distrito 8. Concelho 9. Freguesia 10. AreaUtil 11. Quartos 12. WC 13. EstadoImovel 14. Descricao 15. Tags 16. AreaBruta 17. AnoConstrucao 18. CertificadoEnergetico 19. AreaTerreno 20. ReferenciaInterna 21. TipoNegocio 22. Perfil 23. LogoAgencia 24. URL 25. DataCriacao 26. DataModificacao 27. Origem 28. Telefone We will give a sample of output file to know how must come the results.