1. <!--utilizando un arreglo ingresar 5 numeros y calcular su suma-->
  2. <?php
  3. //variables
  4. $suma=0;
  5. //VARABLE CONTADORA
  6. $vc=0;
  7. $par = 0;
  8. $impar = 0;
  10. $valorbuscado = 0;
  11. $encontrado = "falso";
  12. $numerob = 0;
  13. $mayor = 0;
  14. $menor = 0;
  16. // DECLARACION DEL ARREGLO
  18. $n = array();
  20. for ($vc=0; $vc<8; $vc++)
  21. $n[$vc]=0;
  23. if (isset ($_POST["btncalcular"]))
  25. {
  26. $n[0] = (int) $_POST["txtn1"];
  27. $n[1] = (int) $_POST["txtn2"];
  28. $n[2] = (int) $_POST["txtn3"];
  29. $n[3] = (int) $_POST["txtn4"];
  30. $n[4] = (int) $_POST["txtn5"];
  31. $n[5] = (int) $_POST["txtn6"];
  32. $n[6] = (int) $_POST["txtn7"];
  33. $n[7] = (int) $_POST["txtn8"];
  34. $valorbuscado = (int) $_POST["txtnb"];
  37. //PROCESO
  39. //$suma = $n[0]+$n[1]+$n[2]+$n[3]+$n[5];
  41. for ($vc=0; $vc<8; $vc++){
  42. $suma = $suma + $n[$vc];
  43. }//$suma += $n[$vc];
  46. //pares y impares
  47. for ($vc=0; $vc<8; $vc++){
  49. if ($n[$vc] % 2 == 0)
  50. $par++;
  51. else
  52. $impar++;
  54. }
  57. for ($vc=0; $vc<8; $vc++){
  59. if ($n[$vc]== $valorbuscado)
  60. $encontrado = "verdadero";
  63. }
  65. $mayor = $n[0];
  66. $menor = $n[0];
  67. for ($vc=1; $vc<8; $vc++){
  69. if ($n[$vc] > $mayor)
  71. $mayor = $n[$vc];
  73. if ($n[$vc] < $menor)
  75. $menor = $n[$vc];
  77. }
  78. }
  80. //buscar le valor
  84. ?>
  86. <html>
  87. <head>
  88. <title>
  89. Suma de elementos de un arreglo
  90. </title>
  91. </head>
  93. <body>
  94. <form method="POST" action="arreglos.php">
  96. <table>
  97. <tr>
  98. <td>NUMERO 1</td>
  99. <td>
  100. <input name = "txtn1" type = "text" id= "txtn1" value="<?=$n[0]?>"/>
  101. </td>
  102. </tr>
  103. <tr>
  104. <td>NUMERO 2</td>
  105. <td>
  106. <input name = "txtn2" type = "text" id= "txtn2" value="<?=$n[1]?>"/>
  107. </td> </tr>
  108. <tr>
  109. <td>NUMERO 3</td>
  110. <td>
  111. <input name = "txtn3" type = "text" id= "txtn3" value="<?=$n[2]?>"/>
  112. </td> </tr>
  113. <tr>
  114. <td>NUMERO 4</td>
  115. <td>
  116. <input name = "txtn4" type = "text" id= "txtn4" value="<?=$n[3]?>"/>
  117. </td> </tr>
  118. <tr>
  119. <td>NUMERO 5</td>
  120. <td>
  121. <input name = "txtn5" type = "text" id= "txtn5" value="<?=$n[4]?>"/>
  122. </td>
  123. <tr>
  124. <td>NUMERO 6</td>
  125. <td>
  126. <input name = "txtn6" type = "text" id= "txtn6" value="<?=$n[5]?>"/>
  127. </td>
  128. <tr>
  129. <td>NUMERO 7</td>
  130. <td>
  131. <input name = "txtn7" type = "text" id= "txtn7" value="<?=$n[6]?>"/>
  132. </td>
  133. <tr>
  134. <td>NUMERO 8</td>
  135. <td>
  136. <input name = "txtn8" type = "text" id= "txtn8" value="<?=$n[7]?>"/>
  137. </td>
  138. </tr>
  139. <tr>
  140. <td>suma</td>
  141. <td>
  142. <input name = "txtn9" type = "text" id= "txtn9" value="<?=$suma?>"/>
  143. </td> </tr>
  145. <tr>
  146. <td>numero a buscar</td>
  147. <td>
  148. <input name = "txtnb" type = "text" id= "txtnb" value="<?=$numerob?>"/>
  149. </td> </tr>
  150. <tr>
  151. <td>Resultado de busqueda</td>
  152. <td>
  153. <input name = "txtns" type = "text" id= "txtns" value="<?=$encontrado?>"/>
  154. </td> </tr>
  156. <tr>
  157. <tr>
  158. <td>MAYOR</td>
  159. <td>
  160. <input name = "txtMAY" type = "text" id= "txtns" value="<?=$mayor?>"/>
  161. </td> </tr>
  162. <tr>
  163. <td>MENOR</td>
  164. <td>
  165. <input name = "txtMEN" type = "text" id= "txtns" value="<?=$menor?>"/>
  166. </td> </tr>
  167. <td>par</td>
  168. <td>
  169. <input name = "txtpar" type = "text" id= "txtns" value="<?=$par?>"/>
  170. </td> </tr>
  171. <tr>
  172. <td>impar</td>
  173. <td>
  174. <input name = "txtpar" type = "text" id= "txtns" value="<?=$impar?>"/>
  175. </td> </tr>
  177. <td>
  178. <input name = "btncalcular" type = "submit" id= "btncalcular" value="CALCULAR"/>
  179. </td> </tr>
  181. </table>
  183. </form>
  184. </body>
  186. </html>

ARREGLOS 1 - PHP