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编辑当前文件:/home/qrafawbu/kwesioben.com/store/system/library/db/mysqli.php

<?php
namespace DB;
class MySQLi {
	private $connection;

public function __construct($hostname, $username, $password, $database, $port = '3306') {
		try {
			$mysqli = @new \MySQLi($hostname, $username, $password, $database, $port);
		} catch (mysqli_sql_exception $e) {
			throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname . '!');
		}

if (!$mysqli->connect_errno) {
			$this->connection = $mysqli;
			$this->connection->report_mode = MYSQLI_REPORT_ERROR;
			$this->connection->set_charset('utf8');
			$this->connection->query("SET SESSION sql_mode = 'NO_ZERO_IN_DATE,NO_ENGINE_SUBSTITUTION'");
		} else {
			throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname . '!');
		}
	}

public function query($sql) {
		$query = $this->connection->query($sql);

if (!$this->connection->errno) {
			if ($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;
			}
		} else {
			throw new \Exception('Error: ' . $this->connection->error  . '<br />Error No: ' . $this->connection->errno . '<br />' . $sql);
		}
	}

public function escape($value) {
		return $this->connection->real_escape_string($value);
	}

public function countAffected() {
		return $this->connection->affected_rows;
	}

public function getLastId() {
		return $this->connection->insert_id;
	}

public function isConnected() {
		if ($this->connection) {
			return $this->connection->ping();
		} else {
			return false;
		}
	}

/**
	 * __destruct
	 *
	 * Closes the DB connection when this object is destroyed.
	 *
	 */
	public function __destruct() {
		if ($this->connection) {
			$this->connection->close();

$this->connection = '';
		}
	}
}