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sujan
2024-08-06 18:06:00 +05:45
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<?php
namespace Opencart\System\Library\DB;
/**
* Class MySQLi
*
* @package
*/
class MySQLi {
/**
* @var object|\mysqli|null
*/
private object|null $connection;
/**
* Constructor
*
* @param string $hostname
* @param string $username
* @param string $password
* @param string $database
* @param string $port
*/
public function __construct(string $hostname, string $username, string $password, string $database, string $port = '') {
if (!$port) {
$port = '3306';
}
try {
$mysqli = @new \MySQLi($hostname, $username, $password, $database, $port);
$this->connection = $mysqli;
$this->connection->set_charset('utf8mb4');
$this->query("SET SESSION sql_mode = 'NO_ZERO_IN_DATE,NO_ENGINE_SUBSTITUTION'");
$this->query("SET FOREIGN_KEY_CHECKS = 0");
// Sync PHP and DB time zones
$this->query("SET `time_zone` = '" . $this->escape(date('P')) . "'");
} catch (\mysqli_sql_exception $e) {
throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname . '!<br/>Message: ' . $e->getMessage());
}
}
/**
* Query
*
* @param string $sql
*
* @return bool|object
*/
public function query(string $sql): bool|object {
try {
$query = $this->connection->query($sql);
if ($query instanceof \mysqli_result) {
$data = [];
while ($row = $query->fetch_assoc()) {
$data[] = $row;
}
$result = new \stdClass();
$result->num_rows = $query->num_rows;
$result->row = isset($data[0]) ? $data[0] : [];
$result->rows = $data;
$query->close();
unset($data);
return $result;
} else {
return true;
}
} catch (\mysqli_sql_exception $e) {
throw new \Exception('Error: ' . $this->connection->error . '<br/>Error No: ' . $this->connection->errno . '<br/>' . $sql);
}
}
/**
* Escape
*
* @param string value
*
* @return string
*/
public function escape(string $value): string {
return $this->connection->real_escape_string($value);
}
/**
* countAffected
*
* @return int
*/
public function countAffected(): int {
return $this->connection->affected_rows;
}
/**
* getLastId
*
* @return int
*/
public function getLastId(): int {
return $this->connection->insert_id;
}
/**
* isConnected
*
* @return bool
*/
public function isConnected(): bool {
return $this->connection;
}
/**
* Destructor
*
* Closes the DB connection when this object is destroyed.
*
*/
public function __destruct() {
if ($this->connection) {
$this->connection->close();
$this->connection = null;
}
}
}

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system/library/db/pdo.php Normal file
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<?php
namespace Opencart\System\Library\DB;
/**
* Class PDO
*
* @package
*/
class PDO {
/**
* @var object|\PDO|null
*/
private object|null $connection;
/**
* @var array
*/
private array $data = [];
/**
* @var int
*/
private int $affected;
/**
* Constructor
*
* @param string $hostname
* @param string $username
* @param string $password
* @param string $database
* @param string $port
*/
public function __construct(string $hostname, string $username, string $password, string $database, string $port = '') {
if (!$port) {
$port = '3306';
}
try {
$pdo = @new \PDO('mysql:host=' . $hostname . ';port=' . $port . ';dbname=' . $database . ';charset=utf8mb4', $username, $password, array(\PDO::ATTR_PERSISTENT => false, \PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4 COLLATE utf8mb4_general_ci'));
} catch (\PDOException $e) {
throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname . '!');
}
if ($pdo) {
$this->connection = $pdo;
$this->query("SET SESSION sql_mode = 'NO_ZERO_IN_DATE,NO_ENGINE_SUBSTITUTION'");
$this->query("SET FOREIGN_KEY_CHECKS = 0");
// Sync PHP and DB time zones
$this->query("SET `time_zone` = '" . $this->escape(date('P')) . "'");
}
}
/**
* Query
*
* @param string $sql
*
* @return bool|object
*/
public function query(string $sql): bool|object {
$sql = preg_replace('/(?:\'\:)([a-z0-9]*.)(?:\')/', ':$1', $sql);
$statement = $this->connection->prepare($sql);
try {
if ($statement && $statement->execute($this->data)) {
$this->data = [];
if ($statement->columnCount()) {
$data = $statement->fetchAll(\PDO::FETCH_ASSOC);
$result = new \stdClass();
$result->row = isset($data[0]) ? $data[0] : [];
$result->rows = $data;
$result->num_rows = count($data);
$this->affected = 0;
return $result;
} else {
$this->affected = $statement->rowCount();
return true;
}
$statement->closeCursor();
} else {
return true;
}
} catch (\PDOException $e) {
throw new \Exception('Error: ' . $e->getMessage() . ' <br/>Error Code : ' . $e->getCode() . ' <br/>' . $sql);
}
return false;
}
/**
* Escape
*
* @param string value
*
* @return string
*/
public function escape(string $value): string {
$key = ':' . count($this->data);
$this->data[$key] = $value;
return $key;
}
/**
* countAffected
*
* @return int
*/
public function countAffected(): int {
return $this->affected;
}
/**
* getLastId
*
* @return int
*/
public function getLastId(): int {
return $this->connection->lastInsertId();
}
/**
* isConnected
*
* @return bool
*/
public function isConnected(): bool {
return $this->connection;
}
/**
* Destructor
*
* Closes the DB connection when this object is destroyed.
*
*/
public function __destruct() {
$this->connection = null;
}
}

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system/library/db/pgsql.php Normal file
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<?php
namespace Opencart\System\Library\DB;
/**
* Class PgSQL
*
* @package
*/
class PgSQL {
/**
* @var object|resource|null
*/
private object|null $connection;
/**
* Constructor
*
* @param string $hostname
* @param string $username
* @param string $password
* @param string $database
* @param string $port
*/
public function __construct(string $hostname, string $username, string $password, string $database, string $port = '') {
if (!$port) {
$port = '5432';
}
try {
$pg = @pg_connect('host=' . $hostname . ' port=' . $port . ' user=' . $username . ' password=' . $password . ' dbname=' . $database . ' options=\'--client_encoding=UTF8\' ');
} catch (\Exception $e) {
throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname);
}
if ($pg) {
$this->connection = $pg;
pg_query($this->connection, "SET CLIENT_ENCODING TO 'UTF8'");
// Sync PHP and DB time zones
pg_query($this->connection, "SET TIMEZONE = '" . $this->escape(date('P')) . "'");
}
}
/**
* Query
*
* @param string $sql
*
* @return bool|object
*/
public function query(string $sql): bool|object {
$resource = pg_query($this->connection, $sql);
if ($resource) {
if (is_resource($resource)) {
$i = 0;
$data = [];
while ($result = pg_fetch_assoc($resource)) {
$data[$i] = $result;
$i++;
}
pg_free_result($resource);
$query = new \stdClass();
$query->row = isset($data[0]) ? $data[0] : [];
$query->rows = $data;
$query->num_rows = $i;
unset($data);
return $query;
} else {
return true;
}
} else {
throw new \Exception('Error: ' . pg_result_error($resource) . '<br/>' . $sql);
}
}
/**
* Escape
*
* @param string value
*
* @return string
*/
public function escape(string $value): string {
return pg_escape_string($this->connection, $value);
}
/**
* countAffected
*
* @return int
*/
public function countAffected(): int {
return pg_affected_rows($this->connection);
}
/**
* getLastId
*
* @return int
*/
public function getLastId(): int {
$query = $this->query("SELECT LASTVAL() AS `id`");
return $query->row['id'];
}
/**
* isConnected
*
* @return bool
*/
public function isConnected(): bool {
return pg_connection_status($this->connection) == PGSQL_CONNECTION_OK;
}
/**
* Destructor
*
* Closes the DB connection when this object is destroyed.
*
*/
public function __destruct() {
if ($this->connection) {
pg_close($this->connection);
$this->connection = null;
}
}
}