include/db.php

   1 <?php
   2
   3 require_once "config.php";
   4
   5 function db_connect($host, $user, $pass, $db) {
   6         if (DB_TYPE == "pgsql") {
   7
   8                 $string = "dbname=$db user=$user";
   9
  10                 if ($pass) {
  11                         $string .= " password=$pass";
  12                 }
  13
  14                 if ($host) {
  15                         $string .= " host=$host";
  16                 }
  17
  18                 if (defined('DB_PORT')) {
  19                         $string = "$string port=" . DB_PORT;
  20                 }
  21
  22                 $link = pg_connect($string);
  23
  24                 if (!$link) {
  25                         die("Connection failed: " . pg_last_error($link));
  26                 }
  27
  28                 return $link;
  29
  30         } else if (DB_TYPE == "mysql") {
  31                 $link = mysql_connect($host, $user, $pass);
  32                 if ($link) {
  33                         $result = mysql_select_db($db, $link);
  34                         if (!$result) {
  35                                 die("Can't select DB: " . mysql_error($link));
  36                         }
  37                         return $link;
  38                 } else {
  39                         die("Connection failed: " . mysql_error($link));
  40                 }
  41         }
  42 }
  43
  44 function db_escape_string($s, $strip_tags = true) {
  45         if ($strip_tags) $s = strip_tags($s);
  46
  47         if (DB_TYPE == "pgsql") {
  48                 return pg_escape_string($s);
  49         } else {
  50                 return mysql_real_escape_string($s);
  51         }
  52 }
  53
  54 function db_query($link, $query, $die_on_error = true) {
  55         //if ($_REQUEST["qlog"])
  56         //      error_log($_SESSION["uid"] . ":" . $_REQUEST["op"] . "/" . $_REQUEST["method"] .
  57         //              " $query\n", 3, "/tmp/ttrss-query.log");
  58
  59         if (DB_TYPE == "pgsql") {
  60                 $result = pg_query($link, $query);
  61                 if (!$result) {
  62                         $query = htmlspecialchars($query); // just in case
  63                         if ($die_on_error) {
  64                                 die("Query <i>$query</i> failed [$result]: " . ($link ? pg_last_error($link) : "No connection"));
  65                         }
  66                 }
  67                 return $result;
  68         } else if (DB_TYPE == "mysql") {
  69                 $result = mysql_query($query, $link);
  70                 if (!$result) {
  71                         $query = htmlspecialchars($query);
  72                         if ($die_on_error) {
  73                                 die("Query <i>$query</i> failed: " . ($link ? mysql_error($link) : "No connection"));
  74                         }
  75                 }
  76                 return $result;
  77         }
  78 }
  79
  80 function db_fetch_assoc($result) {
  81         if (DB_TYPE == "pgsql") {
  82                 return pg_fetch_assoc($result);
  83         } else if (DB_TYPE == "mysql") {
  84                 return mysql_fetch_assoc($result);
  85         }
  86 }
  87
  88
  89 function db_num_rows($result) {
  90         if (DB_TYPE == "pgsql") {
  91                 return pg_num_rows($result);
  92         } else if (DB_TYPE == "mysql") {
  93                 return mysql_num_rows($result);
  94         }
  95 }
  96
  97 function db_fetch_result($result, $row, $param) {
  98         if (DB_TYPE == "pgsql") {
  99                 return pg_fetch_result($result, $row, $param);
 100         } else if (DB_TYPE == "mysql") {
 101                 // I hate incoherent naming of PHP functions
 102                 return mysql_result($result, $row, $param);
 103         }
 104 }
 105
 106 function db_unescape_string($str) {
 107         $tmp = str_replace("\\\"", "\"", $str);
 108         $tmp = str_replace("\\'", "'", $tmp);
 109         return $tmp;
 110 }
 111
 112 function db_close($link) {
 113         if (DB_TYPE == "pgsql") {
 114
 115                 return pg_close($link);
 116
 117         } else if (DB_TYPE == "mysql") {
 118                 return mysql_close($link);
 119         }
 120 }
 121
 122 function db_affected_rows($link, $result) {
 123         if (DB_TYPE == "pgsql") {
 124                 return pg_affected_rows($result);
 125         } else if (DB_TYPE == "mysql") {
 126                 return mysql_affected_rows($link);
 127         }
 128 }
 129
 130 function db_last_error($link) {
 131         if (DB_TYPE == "pgsql") {
 132                 return pg_last_error($link);
 133         } else if (DB_TYPE == "mysql") {
 134                 return mysql_error($link);
 135         }
 136 }
 137
 138 function db_quote($str){
 139         return("'$str'");
 140 }
 141
 142 ?>