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[tt-rss.git] / 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                 if (defined('DB_PORT')) {
15                         $string = "$string port=" . DB_PORT;
16                 }
17
18                 $link = pg_connect($string);
19
20                 if (!$link) {
21                         die("Connection failed: " . pg_last_error($link));
22                 }
23
24                 return $link;
25
26         } else if (DB_TYPE == "mysql") {
27                 $link = mysql_connect($host, $user, $pass);
28                 if ($link) {
29                         $result = mysql_select_db($db, $link);                  
30                         if (!$result) {
31                                 die("Can't select DB: " . mysql_error($link));
32                         }                       
33                         return $link;
34                 } else {
35                         die("Connection failed: " . mysql_error($link));
36                 }
37         }
38 }
39
40 function db_escape_string($s) {
41         if (DB_TYPE == "pgsql") {       
42                 return pg_escape_string($s);
43         } else {
44                 return mysql_real_escape_string($s);
45         }
46 }
47
48 /* I hate MySQL :( */
49
50 function db_escape_string_2($s, $link) {
51         if (DB_TYPE == "pgsql") {       
52                 return pg_escape_string($s);
53         } else {
54                 return mysql_real_escape_string($s, $link);
55         }
56 }
57
58 function db_query($link, $query) {
59         if (DB_TYPE == "pgsql") {
60                 $result = pg_query($link, $query);
61                 if (!$result) {
62                         $query = htmlspecialchars($query); // just in case
63                         die("Query <i>$query</i> failed: " . pg_last_error($link));                     
64                 }
65                 return $result;
66         } else if (DB_TYPE == "mysql") {
67                 $result = mysql_query($query, $link);
68                 if (!$result) {
69                         $query = htmlspecialchars($query);
70                         die("Query <i>$query</i> failed: " . mysql_error($link));
71                 }
72                 return $result;
73         }
74 }
75
76 function db_query_2($query) {
77         if (DB_TYPE == "pgsql") {
78                 return pg_query($query);
79         } else if (DB_TYPE == "mysql") {
80                 return mysql_query($link);
81         }
82 }
83
84 function db_fetch_assoc($result) {
85         if (DB_TYPE == "pgsql") {
86                 return pg_fetch_assoc($result);
87         } else if (DB_TYPE == "mysql") {
88                 return mysql_fetch_assoc($result);
89         }
90 }
91
92
93 function db_num_rows($result) {
94         if (DB_TYPE == "pgsql") {
95                 return pg_num_rows($result);
96         } else if (DB_TYPE == "mysql") {
97                 return mysql_num_rows($result);
98         }
99 }
100
101 function db_fetch_result($result, $row, $param) {
102         if (DB_TYPE == "pgsql") {
103                 return pg_fetch_result($result, $row, $param);
104         } else if (DB_TYPE == "mysql") {
105                 // I hate incoherent naming of PHP functions
106                 return mysql_result($result, $row, $param);
107         }
108 }
109
110 function db_unescape_string($str) {
111         $tmp = str_replace("\\\"", "\"", $str);
112         $tmp = str_replace("\\'", "'", $tmp);
113         return $tmp;
114 }
115
116 function db_close($link) {
117         if (DB_TYPE == "pgsql") {
118
119                 return pg_close($link);
120
121         } else if (DB_TYPE == "mysql") {
122                 return mysql_close($link);
123         }
124 }
125
126 function db_affected_rows($link, $result) {
127         if (DB_TYPE == "pgsql") {
128                 return pg_affected_rows($result);
129         } else if (DB_TYPE == "mysql") {
130                 return mysql_affected_rows($link);
131         }
132 }
133 ?>