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Aug 10th, 2017
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  1. <?php
  2.  
  3. /*CONEXION BASE DE DATOS*/
  4.  
  5. $hotsdb = "localhost";
  6. $bd = "nombre_base_de_datos";
  7. $usuario = "tu_usuario";
  8. $pass = "tu_password";
  9.  
  10. $conexion = new mysqli($hotsdb, $usuario, $pass, $bd);
  11.  
  12. if ($conexion->connect_errno) {
  13.  
  14. echo "ERROR AL CONECTARSE {$conexion->connect_errno}";
  15. }
  16.  
  17. $id_user = $_POST['id_user'];
  18. $username = $_POST['username'];
  19. $name = $_POST['nombre'];
  20. $email = $_POST['email'];
  21. $phone = $_POST['telefono'];
  22. $dui = $_POST['DUI'];
  23. $fecha = $_POST['fecha_nac'];
  24. $password = $_POST['password'];
  25. $type = $_POST['tipo'];
  26. $departamento = $_POST['departamento'];
  27.  
  28. $buscarUsuario = "SELECT * FROM usuarios WHERE username = '".$username."'";
  29. $resultado = $conexion->query($buscarUsuario);
  30.  
  31. if(count($resultado) > 0)
  32. {
  33. /*AQUI
  34. VAS A COLOCAR TU
  35. CODIGO A EJECUTAR
  36. */
  37. }else{
  38.  
  39. echo"<script>
  40. alert ('El usuario ya ha sido tomado');
  41. window.location='tu_pagina.php';
  42. </script>";
  43. }
  44.  
  45. ?>
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