db.php

   1 <?
   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=$user password=$pass";
   9
  10                 if ($host) {
  11                         $string .= " host=$host";
  12                 }
  13
  14                 $link = pg_connect($string);
  15
  16                 if (!$link) {
  17                         die("Connection failed: " . pg_last_error($link));
  18                 }
  19
  20                 return $link;
  21
  22         } else if (DB_TYPE == "mysql") {
  23                 $link = mysql_connect($host, $user, $pass);
  24                 if ($link) {
  25                         $result = mysql_select_db($db, $link);
  26                         if (!$result) {
  27                                 die("Can't select DB: " . mysql_error($link));
  28                         }
  29                         return $link;
  30                 } else {
  31                         die("Connection failed: " . mysql_error($link));
  32                 }
  33         }
  34 }
  35
  36 function db_escape_string($s) {
  37         if (DB_TYPE == "pgsql") {
  38                 return pg_escape_string($s);
  39         } else {
  40                 return mysql_real_escape_string($s);
  41         }
  42 }
  43
  44 /* I hate MySQL :( */
  45
  46 function db_escape_string_2($s, $link) {
  47         if (DB_TYPE == "pgsql") {
  48                 return pg_escape_string($s);
  49         } else {
  50                 return mysql_real_escape_string($s, $link);
  51         }
  52 }
  53
  54 function db_query($link, $query) {
  55         if (DB_TYPE == "pgsql") {
  56                 $result = pg_query($link, $query);
  57                 if (!$result) {
  58                         $query = htmlspecialchars($query); // just in case
  59                         die("Query <i>$query</i> failed: " . pg_last_error($link));
  60                 }
  61                 return $result;
  62         } else if (DB_TYPE == "mysql") {
  63                 $result = mysql_query($query, $link);
  64                 if (!$result) {
  65                         $query = htmlspecialchars($query);
  66                         die("Query <i>$query</i> failed: " . mysql_error($link));
  67                 }
  68                 return $result;
  69         }
  70 }
  71
  72 function db_query_2($query) {
  73         if (DB_TYPE == "pgsql") {
  74                 return pg_query($query);
  75         } else if (DB_TYPE == "mysql") {
  76                 return mysql_query($link);
  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, $param);
 103         }
 104 }
 105
 106 function db_close($link) {
 107         if (DB_TYPE == "pgsql") {
 108
 109                 return pg_close($link);
 110
 111         } else if (DB_TYPE == "mysql") {
 112                 return mysql_close($link);
 113         }
 114 }