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<?php
namespace DB;
final class MySQL {
private $connection;
public function __construct($hostname, $username, $password, $database, $port = '3306') {
if (!$this->connection = mysql_connect($hostname . ':' . $port, $username, $password)) {
trigger_error('Error: Could not make a database link using ' . $username . '@' . $hostname);
exit();
}
if (!mysql_select_db($database, $this->connection)) {
throw new \Exception('Error: Could not connect to database ' . $database);
}
mysql_query("SET NAMES 'utf8'", $this->connection);
mysql_query("SET CHARACTER SET utf8", $this->connection);
mysql_query("SET CHARACTER_SET_CONNECTION=utf8", $this->connection);
mysql_query("SET SQL_MODE = ''", $this->connection);
}
public function query($sql) {
if ($this->connection) {
$resource = mysql_query($sql, $this->connection);
if ($resource) {
if (is_resource($resource)) {
$i = 0;
$data = array();
while ($result = mysql_fetch_assoc($resource)) {
$data[$i] = $result;
$i++;
}
mysql_free_result($resource);
$query = new \stdClass();
$query->row = isset($data[0]) ? $data[0] : array();
$query->rows = $data;
$query->num_rows = $i;
unset($data);
return $query;
} else {
return true;
}
} else {
$trace = debug_backtrace();
throw new \Exception('Error: ' . mysql_error($this->connection) . '<br />Error No: ' . mysql_errno($this->connection) . '<br /> Error in: <b>' . $trace[1]['file'] . '</b> line <b>' . $trace[1]['line'] . '</b><br />' . $sql);
}
}
}
public function escape($value) {
if ($this->connection) {
return mysql_real_escape_string($value, $this->connection);
}
}
public function countAffected() {
if ($this->connection) {
return mysql_affected_rows($this->connection);
}
}
public function getLastId() {
if ($this->connection) {
return mysql_insert_id($this->connection);
}
}
public function isConnected() {
if ($this->connection) {
return true;
} else {
return false;
}
}
public function __destruct() {
if ($this->connection) {
mysql_close($this->connection);
}
}
}
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