classes/db/mysqli.php

   1 <?php
   2 class Db_Mysqli implements IDb {
   3         private $link;
   4
   5         function connect($host, $user, $pass, $db, $port) {
   6                 $this->link = mysqli_connect($host, $user, $pass, $db, $port);
   7
   8                 if ($this->link) {
   9                         $this->init();
  10
  11                         return $this->link;
  12                 } else {
  13                         die("Unable to connect to database (as $user to $host, database $db): " . mysqli_error());
  14                 }
  15         }
  16
  17         function escape_string($s, $strip_tags = true) {
  18                 if ($strip_tags) $s = strip_tags($s);
  19
  20                 return mysqli_real_escape_string($this->link, $s);
  21         }
  22
  23         function query($query, $die_on_error = true) {
  24                 $result = mysqli_query($this->link, $query);
  25                 if (!$result) {
  26                         user_error("Query $query failed: " . ($this->link ? mysqli_error($this->link) : "No connection"),
  27                                 $die_on_error ? E_USER_ERROR : E_USER_WARNING);
  28                 }
  29
  30                 return $result;
  31         }
  32
  33         function fetch_assoc($result) {
  34                 return mysqli_fetch_assoc($result);
  35         }
  36
  37
  38         function num_rows($result) {
  39                 return mysqli_num_rows($result);
  40         }
  41
  42         function fetch_result($result, $row, $param) {
  43                 if (mysqli_data_seek($result, $row)) {
  44                         $line = mysqli_fetch_assoc($result);
  45                         return $line[$param];
  46                 } else {
  47                         return false;
  48                 }
  49         }
  50
  51         function close() {
  52                 return mysqli_close($this->link);
  53         }
  54
  55         function affected_rows($result) {
  56                 return mysqli_affected_rows($this->link);
  57         }
  58
  59         function last_error() {
  60                 return mysqli_error();
  61         }
  62
  63         function init() {
  64                 $this->query("SET time_zone = '+0:0'");
  65
  66                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  67                         $this->query("SET NAMES " . MYSQL_CHARSET);
  68                 }
  69
  70                 return true;
  71         }
  72
  73 }
  74 ?>