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Orientação a Objetos na prática em php
- 1. Orientação a Objetos em PHP augusto@phpsp.org.br @augustohp Thursday, January 28, 2010
- 2. AUGUSTO PASCUTTI •4 anos de experiência • ZCE • Fundador/coordenador PHPSP • Habari, CakePHP Thursday, January 28, 2010
- 3. OBJETIVOS Thursday, January 28, 2010
- 4. ORIENTAR Thursday, January 28, 2010
- 5. PHP 5 Thursday, January 28, 2010
- 6. USAR Thursday, January 28, 2010
- 8. PROGRAMA PROCEDURAL ? Thursday, January 28, 2010
- 9. ESQUEÇA ! Thursday, January 28, 2010
- 10. PENSE DIFERENTE Thursday, January 28, 2010
- 11. PENSE OO Thursday, January 28, 2010
- 12. CLASSES Thursday, January 28, 2010
- 13. BASE DA OO Thursday, January 28, 2010
- 14. MOLDES Thursday, January 28, 2010
- 15. INSTRUÇÕES Thursday, January 28, 2010
- 16. SEM VONTADE PRÓPRIA Thursday, January 28, 2010
- 17. CLASSES Thursday, January 28, 2010
- 18. CLASSES Thursday, January 28, 2010
- 19. CLASSES Thursday, January 28, 2010
- 20. CLASSES Thursday, January 28, 2010
- 21. • Uma classe por arquivo • Padrões de nomenclatura • Padrão_Zend_ou_Pear CLASSES • PadrãoCamelCase • PaDrÃoMiGuXo Thursday, January 28, 2010
- 22. OBJETOS Thursday, January 28, 2010
- 23. FILHOS DAS CLASSES Thursday, January 28, 2010
- 24. INFORMAÇÕES Thursday, January 28, 2010
- 25. INDEPENDENTES Thursday, January 28, 2010
- 26. EXECUTORES Thursday, January 28, 2010
- 27. EXECUTAM Thursday, January 28, 2010
- 28. ATRIBUTOS Thursday, January 28, 2010
- 29. DECLARADOS NA CLASSE Thursday, January 28, 2010
- 30. USADOS NOS OBJETOS Thursday, January 28, 2010
- 31. PROPRIEDADES Thursday, January 28, 2010
- 32. INFORMAÇÕES Thursday, January 28, 2010
- 33. VARIÁVEIS Thursday, January 28, 2010
- 34. 4 Thursday, January 28, 2010
- 35. VARIÁVEIS Thursday, January 28, 2010
- 36. 5 Thursday, January 28, 2010
- 37. VARIÁVEIS Thursday, January 28, 2010
- 38. MÉTODOS Thursday, January 28, 2010
- 39. DECLARADOS NA CLASSE Thursday, January 28, 2010
- 40. USADOS PELOS OBJETOS Thursday, January 28, 2010
- 41. FUNÇÕES Thursday, January 28, 2010
- 42. FAZEM COISAS Thursday, January 28, 2010
- 43. DÃO E RECEBEM Thursday, January 28, 2010
- 44. 4 Thursday, January 28, 2010
- 45. DÃO E RECEBEM Thursday, January 28, 2010
- 46. 5 Thursday, January 28, 2010
- 47. DÃO E RECEBEM Thursday, January 28, 2010
- 48. AUTOLOAD Thursday, January 28, 2010
- 49. AUTOLOAD •Executado na instanciação •Executado somente para classes não declaradas •Nativo do PHP •Duas implementações •__autoload •SPL •Sem includes/requires •Melhora consumo de memória Thursday, January 28, 2010
- 50. AUTOLOAD Thursday, January 28, 2010
- 51. AUTOLOAD Thursday, January 28, 2010
- 52. MEMBROS DA CLASSE Thursday, January 28, 2010
- 53. CONSTANTES Thursday, January 28, 2010
- 54. CONSTANTES Thursday, January 28, 2010
- 55. ESTÁTICOS Thursday, January 28, 2010
- 56. ESTÁTICOS Thursday, January 28, 2010
- 57. ESTÁTICOS Thursday, January 28, 2010
- 58. MENSAGENS Thursday, January 28, 2010
- 59. PODER DA OO Thursday, January 28, 2010
- 60. TROCA DE INFORMAÇÕES Thursday, January 28, 2010
- 61. TROCA DE INFORMAÇÕES Thursday, January 28, 2010
- 62. HERANÇA Thursday, January 28, 2010
- 63. CLASSE PAI Thursday, January 28, 2010
- 64. CLASSE FILHA Thursday, January 28, 2010
- 65. VISIBILIDADE Thursday, January 28, 2010
- 66. PUBLIC Thursday, January 28, 2010
- 67. PROTECTED Thursday, January 28, 2010
- 68. PRIVATE Thursday, January 28, 2010
- 69. POLIMORFISMO Thursday, January 28, 2010
- 70. ERA UMA COISA Thursday, January 28, 2010
- 71. AGORA É OUTRA Thursday, January 28, 2010
- 72. SOBRECARGA Thursday, January 28, 2010
- 73. NA VERDADE: SOBRESCRITA Thursday, January 28, 2010
- 74. NA VERDADE: SOBRESCRITA Thursday, January 28, 2010
- 75. FINAL Thursday, January 28, 2010
- 76. IMPEDE O POLIMORFISMO Thursday, January 28, 2010
- 77. USADO EM CLASSES ... Thursday, January 28, 2010
- 78. E MÉTODOS Thursday, January 28, 2010
- 79. E MÉTODOS Thursday, January 28, 2010
- 80. ABSTRATO Thursday, January 28, 2010
- 81. NÃO PODE SER INSTANCIADA Thursday, January 28, 2010
- 82. USADA COMO PAI Thursday, January 28, 2010
- 83. USADA COMO PAI Thursday, January 28, 2010
- 84. USADA COMO PAI Thursday, January 28, 2010
- 85. MÁGICA Thursday, January 28, 2010
- 86. MÉTODOS MÁGICOS Thursday, January 28, 2010
- 87. EXECUTADOS PELO PHP Thursday, January 28, 2010
- 88. 14 EXISTENTES NO PHP 5.3 Thursday, January 28, 2010
- 89. SEMPRE COMEÇAM COM “_ _” Thursday, January 28, 2010
- 90. CONSTRUINDO Thursday, January 28, 2010
- 91. __CONSTRUCT •Executado na instanciação do objeto •Não pode retornar nada •Pode sofrer sobrecarga •Pode receber argumentos Thursday, January 28, 2010
- 92. __CONSTRUCT Thursday, January 28, 2010
- 93. DESTRUINDO Thursday, January 28, 2010
- 94. •Executado quando objeto sai da memória •Final do script •unset() do objeto •Pode ser útil em •Banco de dados •Logs •etc ... __DESTRUCT Thursday, January 28, 2010
- 95. __DESTRUCT Thursday, January 28, 2010
- 96. MOSTRANDO Thursday, January 28, 2010
- 97. __TOSTRING •Chamado quando objeto é usado como String •O método DEVE retornar uma String •Útil para objetos que devem retornar algo visual •Paginador, Botão •Até a versão 5.2 funcionava só com `print` e `echo` •> 5.2 funciona em qualquer contexto de string •TypeCast •sprintf() Thursday, January 28, 2010
- 98. __TOSTRING Thursday, January 28, 2010
- 99. OUTROS MÉTODOS MÁGICOS •__call •__get •__set •__get •__isset •__clone •http://php.net/manual/en/language.oop5.magic.php Thursday, January 28, 2010
- 100. INTERFACES Thursday, January 28, 2010
- 101. “CLASSES” GENÉRICAS Thursday, January 28, 2010
- 102. DEFINEM COMPORTAMENTOS Thursday, January 28, 2010
- 103. TIPOS DE DADOS Thursday, January 28, 2010
- 104. TIPOS DE DADOS Thursday, January 28, 2010
- 105. •Mais genéricos que Classes Abstratas •Uma classe pode implementar várias Interfaces TIPOS DE DADOS Thursday, January 28, 2010
- 106. EXCEPTIONS Thursday, January 28, 2010
- 107. TRABALHANDO Thursday, January 28, 2010
- 108. OBJETOS E REFERÊNCIAS Thursday, January 28, 2010
- 109. OBJETOS E REFERÊNCIAS Thursday, January 28, 2010
- 110. OBJETOS E REFERÊNCIAS Thursday, January 28, 2010
- 111. OBJETOS E REFERÊNCIAS Thursday, January 28, 2010
- 112. TYPE HINT Thursday, January 28, 2010
- 113. •Forçam um tipo a um argumento •Só podem ser usados como tipo: •Array •Classes TYPE HINT Thursday, January 28, 2010
- 114. TYPE HINT Thursday, January 28, 2010
- 115. TYPE HINT Thursday, January 28, 2010
- 116. INSTANCE OF Thursday, January 28, 2010
- 117. •Checa se um objeto é uma determinada instância •Retorna boolean •Um objeto pode ser checado contra •Classe •Classe Abstrata •Interface INSTANCE OF Thursday, January 28, 2010
- 118. INSTANCE OF Thursday, January 28, 2010
- 119. BANCO DE DADOS Thursday, January 28, 2010
- 120. ABSTRAIA Thursday, January 28, 2010
- 121. •Melhora segurança •Centraliza execuções •Melhor manutenção •Evita dor de cabeças ABSTRAIA Thursday, January 28, 2010
- 122. NÃO REINVENTE A RODA Thursday, January 28, 2010
- 123. USE A PDO Thursday, January 28, 2010
- 124. •O que ela é: •Abstração de Acesso para banco de dados •Nativo do PHP 5.1 •Aprenda uma sintaxe de conexão •Muito/Extremamente TESTADA pra caramba •Mais leve do que qualquer outra USE A PDO Thursday, January 28, 2010
- 125. •O que ela NÃO é: •Não abstrai suas queries •Não evita instalação de drivers dos bancos •Não vai resolver seus problemas •Nem de segurança •Nem de performance USE A PDO Thursday, January 28, 2010
- 126. USANDO A PDO Thursday, January 28, 2010
- 127. USANDO A PDO Thursday, January 28, 2010
- 128. •Agilizam a execução de queries repetidas •Implementam um pouco de segurança •Simplificam o uso de queries repetidas •Simplificam Fetch de resultados PDO STATEMENTS Thursday, January 28, 2010
- 129. PDO STATEMENTS Thursday, January 28, 2010
- 130. PARÂMETROS Thursday, January 28, 2010
- 131. RETORNO ID INSERIDO Thursday, January 28, 2010
- 132. DESIGN PATTERNS Thursday, January 28, 2010
- 133. •Solução comum para problemas comuns •Independem de linguagem •Vocuabulário comum •Primeiros DP: Gang of Four DESIGN PATTERNS Thursday, January 28, 2010
- 134. •Singleton •Factory •Strategy •Data Access Object •Value Objects •MVC DESIGN PATTERNS Thursday, January 28, 2010
- 135. FRAMEWORKS Thursday, January 28, 2010
- 136. Augusto Pascutti augusto@phpsp.org.br @augustohp http://www.slideshare.net/augustopascutti PERGUNTAS ? Thursday, January 28, 2010