| 1 | <?php |
| 2 | /** |
| 3 | * @author Jan Altensen (Stricted) |
| 4 | * @copyright 2013-2014 Jan Altensen (Stricted) |
| 5 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> |
| 6 | */ |
| 7 | |
| 8 | class DB { |
| 9 | /** |
| 10 | * PDO object |
| 11 | * @var object |
| 12 | */ |
| 13 | private $conn = NULL; |
| 14 | |
| 15 | /** |
| 16 | * error string |
| 17 | * @var string |
| 18 | */ |
| 19 | private $error = ''; |
| 20 | |
| 21 | /** |
| 22 | * Connects to SQL Server |
| 23 | * |
| 24 | * @param string $driver |
| 25 | * @param string $host |
| 26 | * @param string $username |
| 27 | * @param string $password |
| 28 | * @param string $database |
| 29 | * @param integer $port |
| 30 | * @param array $options |
| 31 | * @return boolean |
| 32 | */ |
| 33 | public function connect($driver, $host, $username, $password, $database, $port = 0, $options = array()) { |
| 34 | if (!extension_loaded("pdo")) { |
| 35 | // check if extension loaded |
| 36 | die("Missing <a href=\"http://www.php.net/manual/en/book.pdo.php\">PDO</a> PHP extension."); |
| 37 | } |
| 38 | |
| 39 | $driver = strtolower($driver); |
| 40 | try { |
| 41 | if ($driver == "mysql") { |
| 42 | if (!extension_loaded("pdo_mysql")) { |
| 43 | // check if extension loaded |
| 44 | die("Missing <a href=\"http://php.net/manual/de/ref.pdo-mysql.php\">pdo_mysql</a> PHP extension."); |
| 45 | } |
| 46 | |
| 47 | if (empty($port)) { |
| 48 | $port=3306; |
| 49 | } |
| 50 | |
| 51 | $this->conn = new PDO("mysql:host=".$host.";port=".$port.";dbname=".$database, $username, $password, $options); |
| 52 | } |
| 53 | else if ($driver == "pgsql") { |
| 54 | if (!extension_loaded("pdo_pgsql")) { |
| 55 | // check if extension loaded |
| 56 | die("Missing <a href=\"http://php.net/manual/de/ref.pdo-pgsql.php\">pdo_pgsql</a> PHP extension."); |
| 57 | } |
| 58 | |
| 59 | if (empty($port)) { |
| 60 | $port=5432; |
| 61 | } |
| 62 | |
| 63 | $this->conn = new PDO("pgsql:host=".$host.";port=".$port.";dbname=".$database, $username, $password, $options); |
| 64 | } |
| 65 | else if ($driver == "sqlite") { |
| 66 | if (!extension_loaded("pdo_sqlite")) { |
| 67 | // check if extension loaded |
| 68 | die("Missing <a href=\"http://php.net/manual/de/ref.pdo-sqlite.php\">pdo_sqlite</a> PHP extension."); |
| 69 | } |
| 70 | |
| 71 | if (!file_exists($database)) { |
| 72 | @touch($database); |
| 73 | } |
| 74 | |
| 75 | if (file_exists($database) && is_readable($database) && is_writable($database)) { |
| 76 | $this->conn = new PDO("sqlite:".$database, $username, $password, $options); |
| 77 | } |
| 78 | else { |
| 79 | $this->error = "cant crate/connect the/to sqlite database"; |
| 80 | return false; |
| 81 | } |
| 82 | } |
| 83 | else{ |
| 84 | $this->error = "not supported database type found"; |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | return true; |
| 89 | |
| 90 | } |
| 91 | catch (PDOException $e) { |
| 92 | $this->error = $e->getMessage(); |
| 93 | return false; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * close the database connection |
| 99 | */ |
| 100 | public function close () { |
| 101 | $this->conn = NULL; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Sends a database query to SQL server. |
| 106 | * |
| 107 | * @param string $res |
| 108 | * @param array $bind |
| 109 | * @return integer |
| 110 | */ |
| 111 | public function query ($res, $bind = array()) { |
| 112 | try { |
| 113 | $query = Null; |
| 114 | $query = $this->conn->prepare($res); |
| 115 | |
| 116 | if (is_array($bind) && !empty($bind)) { |
| 117 | $query->execute($bind); |
| 118 | } |
| 119 | else { |
| 120 | $query->execute(); |
| 121 | } |
| 122 | |
| 123 | return $query; |
| 124 | } |
| 125 | catch (PDOException $e) { |
| 126 | $this->error = $e->getMessage(); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Gets a row from SQL database query result. |
| 132 | * |
| 133 | * @param string $res |
| 134 | * @return array |
| 135 | */ |
| 136 | public function fetch_array ($res) { |
| 137 | try { |
| 138 | return $res->fetch(PDO::FETCH_ASSOC); |
| 139 | } |
| 140 | catch (PDOException $e) { |
| 141 | $this->error = $e->getMessage(); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * return the last insert id |
| 147 | * |
| 148 | * @return integer |
| 149 | */ |
| 150 | public function last_id () { |
| 151 | return $this->conn->lastInsertId(); |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Returns SQL last error. |
| 156 | * |
| 157 | * @return string |
| 158 | */ |
| 159 | public function error () { |
| 160 | return $this->error; |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * call PDO methods |
| 165 | * |
| 166 | * @param string $name |
| 167 | * @param array $arguments |
| 168 | * @return mixed |
| 169 | */ |
| 170 | public function __call($name, $arguments) { |
| 171 | if (!method_exists($this->conn, $name)) { |
| 172 | throw new Exception("unknown method '".$name."'"); |
| 173 | } |
| 174 | |
| 175 | return call_user_func_array(array($this->conn, $name), $arguments); |
| 176 | } |
| 177 | } |
| 178 | ?> |