mysql.php 1.6 KB

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  1. <?php
  2. class Db_Mysql implements IDb {
  3. private $link;
  4. function connect($host, $user, $pass, $db, $port) {
  5. $this->link = mysql_connect($host, $user, $pass);
  6. if ($this->link) {
  7. $result = mysql_select_db($db, $this->link);
  8. if (!$result) {
  9. die("Can't select DB: " . mysql_error($this->link));
  10. }
  11. $this->init();
  12. return $this->link;
  13. } else {
  14. die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
  15. }
  16. }
  17. function escape_string($s, $strip_tags = true) {
  18. if ($strip_tags) $s = strip_tags($s);
  19. return mysql_real_escape_string($s, $this->link);
  20. }
  21. function query($query, $die_on_error = true) {
  22. $result = @mysql_query($query, $this->link);
  23. if (!$result) {
  24. $error = @mysql_error($this->link);
  25. @mysql_query("ROLLBACK", $this->link);
  26. user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
  27. $die_on_error ? E_USER_ERROR : E_USER_WARNING);
  28. }
  29. return $result;
  30. }
  31. function fetch_assoc($result) {
  32. return mysql_fetch_assoc($result);
  33. }
  34. function num_rows($result) {
  35. return mysql_num_rows($result);
  36. }
  37. function fetch_result($result, $row, $param) {
  38. return mysql_result($result, $row, $param);
  39. }
  40. function close() {
  41. return mysql_close($this->link);
  42. }
  43. function affected_rows($result) {
  44. return mysql_affected_rows($this->link);
  45. }
  46. function last_error() {
  47. return mysql_error();
  48. }
  49. function init() {
  50. $this->query("SET time_zone = '+0:0'");
  51. if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  52. $this->query("SET NAMES " . MYSQL_CHARSET);
  53. }
  54. return true;
  55. }
  56. }
  57. ?>