| commit | author | age | ||
| 4e17e6 | 1 | <?php |
| T | 2 | |
| 3 | /* | |
| 4 | +-----------------------------------------------------------------------+ | |
| 5 | | program/include/rcube_mysql.inc | | |
| 6 | | | | |
| 7 | | This file is part of the RoundCube Webmail client | | |
| 8 | | Copyright (C) 2005, RoundCube Dev. - Switzerland | | |
| 9 | | All rights reserved. | | |
| 10 | | | | |
| 11 | | PURPOSE: | | |
| 12 | | MySQL wrapper class that implements PHP MySQL functions | | |
| 13 | | See http://www.php.net/manual/en/ref.mysql.php | | |
| 14 | | | | |
| 15 | +-----------------------------------------------------------------------+ | |
| 16 | | Author: Thomas Bruederli <roundcube@gmail.com> | | |
| 17 | +-----------------------------------------------------------------------+ | |
| 18 | ||
| 19 | $Id$ | |
| 20 | ||
| 21 | */ | |
| 22 | ||
| 23 | ||
| 24 | class rcube_mysql | |
| 25 | { | |
| 26 | var $db_link; | |
| 27 | var $db_host = 'localhost'; | |
| 28 | var $db_name = ''; | |
| 29 | var $db_user = ''; | |
| 30 | var $db_pass = ''; | |
| 31 | var $a_query_results = array('dummy'); | |
| 32 | var $last_res_id = 0; | |
| 33 | ||
| 34 | ||
| 35 | // PHP 5 constructor | |
| 36 | function __construct($db_name='', $user='', $pass='', $host='localhost') | |
| 37 | { | |
| 38 | $this->db_host = $host; | |
| 39 | $this->db_name = $db_name; | |
| 40 | $this->db_user = $user; | |
| 41 | $this->db_pass = $pass; | |
| 42 | } | |
| 43 | ||
| 44 | // PHP 4 compatibility | |
| 45 | function rcube_mysql($db_name='', $user='', $pass='', $host='localhost') | |
| 46 | { | |
| 47 | $this->__construct($db_name, $user, $pass, $host); | |
| 48 | } | |
| 49 | ||
| 50 | ||
| 51 | function connect() | |
| 52 | { | |
| 53 | $this->db_link = mysql_connect($this->db_host, $this->db_user, $this->db_pass); | |
| 54 | ||
| 55 | if (!$this->db_link) | |
| 56 | { | |
| 57 | raise_error(array('code' => 500, | |
| 58 | 'type' => 'mysql', | |
| 59 | 'line' => __LINE__, | |
| 60 | 'file' => __FILE__, | |
| 61 | 'message' => "Can't connect to database"), TRUE, FALSE); | |
| 62 | return FALSE; | |
| 63 | } | |
| 64 | ||
| 65 | return TRUE; | |
| 66 | } | |
| 67 | ||
| 68 | ||
| 69 | function select_db($name) | |
| 70 | { | |
| 71 | $this->db_name = $name; | |
| 72 | ||
| 73 | if ($this->db_link) | |
| 74 | mysql_select_db($name, $this->db_link); | |
| 75 | } | |
| 76 | ||
| 77 | ||
| 78 | function query($query) | |
| 79 | { | |
| 80 | // establish a connection | |
| 81 | if (!$this->db_link) | |
| 82 | { | |
| 83 | if (!$this->connect()) | |
| 84 | return FALSE; | |
| 85 | } | |
| 86 | ||
| 87 | $sql_result = mysql_db_query($this->db_name, $query, $this->db_link); | |
| 88 | return $this->_add_result($sql_result, $query); | |
| 89 | } | |
| 90 | ||
| 91 | ||
| 92 | function num_rows($res_id=NULL) | |
| 93 | { | |
| 94 | if (!$this->db_link) | |
| 95 | return FALSE; | |
| 96 | ||
| 97 | $sql_result = $this->_get_result($res_id); | |
| 98 | ||
| 99 | if ($sql_result) | |
| 100 | return mysql_num_rows($sql_result); | |
| 101 | else | |
| 102 | return FALSE; | |
| 103 | } | |
| 104 | ||
| 105 | ||
| 106 | function affected_rows() | |
| 107 | { | |
| 108 | if (!$this->db_link) | |
| 109 | return FALSE; | |
| 110 | ||
| 111 | return mysql_affected_rows($this->db_link); | |
| 112 | } | |
| 113 | ||
| 114 | ||
| 115 | function insert_id() | |
| 116 | { | |
| 117 | if (!$this->db_link) | |
| 118 | return FALSE; | |
| 119 | ||
| 120 | return mysql_insert_id($this->db_link); | |
| 121 | } | |
| 122 | ||
| 123 | ||
| 124 | function fetch_assoc($res_id=NULL) | |
| 125 | { | |
| 126 | $sql_result = $this->_get_result($res_id); | |
| 127 | ||
| 128 | if ($sql_result) | |
| 129 | return mysql_fetch_assoc($sql_result); | |
| 130 | else | |
| 131 | return FALSE; | |
| 132 | } | |
| 133 | ||
| 134 | ||
| 135 | function seek($res_id=NULL, $row=0) | |
| 136 | { | |
| 137 | $sql_result = $this->_get_result($res_id); | |
| 138 | ||
| 139 | if ($sql_result) | |
| 140 | return mysql_data_seek($sql_result, $row); | |
| 141 | else | |
| 142 | return FALSE; | |
| 143 | } | |
| 144 | ||
| 145 | ||
| 146 | ||
| 147 | function _add_result($res, $query) | |
| 148 | { | |
| 149 | // sql error occured | |
| 150 | if ($res===FALSE) | |
| 151 | { | |
| 152 | $sql_error = mysql_error($this->db_link); | |
| 153 | raise_error(array('code' => 500, | |
| 154 | 'type' => 'mysql', | |
| 155 | 'line' => __LINE__, | |
| 156 | 'file' => __FILE__, | |
| 157 | 'message' => $sql_error."; QUERY: ".preg_replace('/[\r\n]+\s*/', ' ', $query)), TRUE, FALSE); | |
| 158 | ||
| 159 | return FALSE; | |
| 160 | } | |
| 161 | else | |
| 162 | { | |
| 163 | $res_id = sizeof($this->a_query_results); | |
| 164 | $this->a_query_results[$res_id] = $res; | |
| 165 | $this->last_res_id = $res_id; | |
| 166 | ||
| 167 | return $res_id; | |
| 168 | } | |
| 169 | } | |
| 170 | ||
| 171 | ||
| 172 | function _get_result($res_id) | |
| 173 | { | |
| 174 | if ($res_id===NULL) | |
| 175 | $res_id = $this->last_res_id; | |
| 176 | ||
| 177 | if ($res_id && isset($this->a_query_results[$res_id])) | |
| 178 | return $this->a_query_results[$res_id]; | |
| 179 | else | |
| 180 | return FALSE; | |
| 181 | } | |
| 182 | ||
| 183 | } | |
| 184 | ||
| 185 | ||
| 186 | ?> | |
