classes/db/mysqli.php

   1 <?php
   2 class Db_Mysqli implements IDb {
   3         private $link;
   4
   5         function connect($host, $user, $pass, $db, $port) {
   6                 if ($port)
   7                         $this->link = mysqli_connect($host, $user, $pass, $db, $port);
   8                 else
   9                         $this->link = mysqli_connect($host, $user, $pass, $db);
  10
  11                 if ($this->link) {
  12                         $this->init();
  13
  14                         return $this->link;
  15                 } else {
  16                         die("Unable to connect to database (as $user to $host, database $db): " . mysqli_error());
  17                 }
  18         }
  19
  20         function escape_string($s, $strip_tags = true) {
  21                 if ($strip_tags) $s = strip_tags($s);
  22
  23                 return mysqli_real_escape_string($this->link, $s);
  24         }
  25
  26         function query($query, $die_on_error = true) {
  27                 $result = mysqli_query($this->link, $query);
  28                 if (!$result) {
  29                         user_error("Query $query failed: " . ($this->link ? mysqli_error($this->link) : "No connection"),
  30                                 $die_on_error ? E_USER_ERROR : E_USER_WARNING);
  31                 }
  32
  33                 return $result;
  34         }
  35
  36         function fetch_assoc($result) {
  37                 return mysqli_fetch_assoc($result);
  38         }
  39
  40
  41         function num_rows($result) {
  42                 return mysqli_num_rows($result);
  43         }
  44
  45         function fetch_result($result, $row, $param) {
  46                 if (mysqli_data_seek($result, $row)) {
  47                         $line = mysqli_fetch_assoc($result);
  48                         return $line[$param];
  49                 } else {
  50                         return false;
  51                 }
  52         }
  53
  54         function close() {
  55                 return mysqli_close($this->link);
  56         }
  57
  58         function affected_rows($result) {
  59                 return mysqli_affected_rows($this->link);
  60         }
  61
  62         function last_error() {
  63                 return mysqli_error();
  64         }
  65
  66         function init() {
  67                 $this->query("SET time_zone = '+0:0'");
  68
  69                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  70                         $this->query("SET NAMES " . MYSQL_CHARSET);
  71                 }
  72
  73                 return true;
  74         }
  75
  76 }
  77 ?>