mysqli.php 1.5 KB

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  1. <?php
  2. class Db_Mysqli implements IDb {
  3. private $link;
  4. function connect($host, $user, $pass, $db, $port) {
  5. $this->link = mysqli_connect($host, $user, $pass, $db, $port);
  6. if ($this->link) {
  7. $this->init();
  8. return $this->link;
  9. } else {
  10. die("Unable to connect to database (as $user to $host, database $db): " . mysqli_error());
  11. }
  12. }
  13. function escape_string($s, $strip_tags = true) {
  14. if ($strip_tags) $s = strip_tags($s);
  15. return mysqli_real_escape_string($this->link, $s);
  16. }
  17. function query($query, $die_on_error = true) {
  18. $result = mysqli_query($this->link, $query);
  19. if (!$result) {
  20. user_error("Query $query failed: " . ($this->link ? mysqli_error($this->link) : "No connection"),
  21. $die_on_error ? E_USER_ERROR : E_USER_WARNING);
  22. }
  23. return $result;
  24. }
  25. function fetch_assoc($result) {
  26. return mysqli_fetch_assoc($result);
  27. }
  28. function num_rows($result) {
  29. return mysqli_num_rows($result);
  30. }
  31. function fetch_result($result, $row, $param) {
  32. if (mysqli_data_seek($result, $row)) {
  33. $line = mysqli_fetch_assoc($result);
  34. return $line[$param];
  35. } else {
  36. return false;
  37. }
  38. }
  39. function close() {
  40. return mysqli_close($this->link);
  41. }
  42. function affected_rows($result) {
  43. return mysqli_affected_rows($this->link);
  44. }
  45. function last_error() {
  46. return mysqli_error();
  47. }
  48. function init() {
  49. $this->query("SET time_zone = '+0:0'");
  50. if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  51. $this->query("SET NAMES " . MYSQL_CHARSET);
  52. }
  53. return true;
  54. }
  55. }
  56. ?>