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