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 $db): " . mysqli_connect_error());
  17                 }
  18         }
  19
  20         function escape_string($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                 global $last_query;
  28
  29                 if (strpos($query, "ttrss_error_log") === FALSE) $last_query = $query;
  30
  31                 $result = @mysqli_query($this->link, $query);
  32                 if (!$result) {
  33                         $error = @mysqli_error($this->link);
  34
  35                         @mysqli_query($this->link, "ROLLBACK");
  36                         user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
  37                                 $die_on_error ? E_USER_ERROR : E_USER_WARNING);
  38                 }
  39
  40                 return $result;
  41         }
  42
  43         function fetch_assoc($result) {
  44                 return mysqli_fetch_assoc($result);
  45         }
  46
  47
  48         function num_rows($result) {
  49                 return mysqli_num_rows($result);
  50         }
  51
  52         function fetch_result($result, $row, $param) {
  53                 if (mysqli_data_seek($result, $row)) {
  54                         $line = mysqli_fetch_assoc($result);
  55                         return $line[$param];
  56                 } else {
  57                         return false;
  58                 }
  59         }
  60
  61         function close() {
  62                 return mysqli_close($this->link);
  63         }
  64
  65         function affected_rows($result) {
  66                 return mysqli_affected_rows($this->link);
  67         }
  68
  69         function last_error() {
  70                 return mysqli_error();
  71         }
  72
  73         function init() {
  74                 $this->query("SET time_zone = '+0:0'");
  75
  76                 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
  77                         $this->query("SET NAMES " . MYSQL_CHARSET);
  78                 }
  79
  80                 return true;
  81         }
  82
  83 }
  84 ?>