122 lines
4.4 KiB
PHP
122 lines
4.4 KiB
PHP
<?php
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/**
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* System - PHP Framework
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*
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* PHP Version 5.6
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*
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* @copyright 2016 Ulf Gebhardt (http://www.webcraft-media.de)
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link https://github.com/webcraftmedia/system
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* @package SYSTEM\DB
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*/
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namespace SYSTEM\DB;
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/**
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* MYSQL Connection Class provided by System to connect to MYSQL Database.
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*/
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class ConnectionMYS extends ConnectionAbstr {
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/** ressource Variable to store then open Connection */
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private $connection = NULL;
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/**
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* Connect to the DB upon Construction.
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*
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* @param DBINFO $dbinfo Database Information Object
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* @param bool $new_link Force new Connection
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* @param int $client_flag Client Flag transmitted on connection
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*/
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public function __construct(DBInfo $dbinfo, $new_link = false, $client_flag = 0){
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$this->connection = @mysqli_connect($dbinfo->m_host, $dbinfo->m_user, $dbinfo->m_password, $new_link, $client_flag);
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if(!$this->connection){
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throw new \Exception('Could not connect to Database. Check ur Database Settings');}
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if(!mysqli_select_db($this->connection, $dbinfo->m_database)){
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mysqli_close($this->connection);
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throw new \Exception('Could not select Database. Check ur Database Settings: '.mysqli_error($this->connection));}
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\mysqli_set_charset($this->connection, 'utf8');
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}
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/**
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* Destruct the Database Connection upon Destruction.
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*/
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public function __destruct(){
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$this->close();}
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/**
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* Close the Database Connection.
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*
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* @return bool Returns true or false depending on success
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*/
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public function close(){
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return mysqli_close($this->connection);}
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/**
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* Query the Connection using Prepare Statement
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*
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* @param string $stmtName Name of the Statement - espec for PostgreSQL important
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* @param string $stmt SQL string of the Statement
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* @param array $values Array of Prepare Values
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* @return Result Returns Database Query Result.
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*/
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public function prepare($stmtName, $stmt, $values, $types = null){
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$prepStmt = \mysqli_prepare($this->connection, $stmt);
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if(!$prepStmt){
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throw new \Exception('Prepared Statement prepare fail: '. \mysqli_error($this->connection));}
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$types_ = '';
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$binds = array($prepStmt,null);
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for($i =0; $i < \count($values);$i++){
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$types_ .= self::getPrepareValueType($values[$i]);
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$binds[] = &$values[$i];}
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$binds[1] = $types ? $types : $types_;
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\call_user_func_array('mysqli_stmt_bind_param', $binds); //you need 2 append the parameters - thats the right way to do that.
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if(!mysqli_stmt_execute($prepStmt)){
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throw new \SYSTEM\LOG\ERROR("Could not execute prepare statement: ". \mysqli_stmt_error($prepStmt));}
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return new ResultMysqliPrepare($prepStmt,$this);
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}
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/**
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* Query the Connection using normal Query Statement
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*
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* @param string $query SQL string of the Statement
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* @return Result Returns Database Query Result.
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*/
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public function query($query){
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$result = \mysqli_query($this->connection, $query);
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if(!$result){
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throw new \Exception('Could not query Database. Check ur Query Syntax or required Rights: '.\mysqli_error($this->connection));}
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return $result === true ? $result : new ResultMysqli($result);
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}
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/**
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* Exec Query on Database
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*
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* @param string $query SQL string of the Statement
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* @return Result Returns Database Query Result.
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*/
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public function exec($query){
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throw new \Exception('Could not start Transaction: not implemented');}
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/**
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* Commit a Transaction on the Database Connection
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*
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* @return bool Returns true or false depending on success.
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*/
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public function commit(){
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if(!\mysqli_commit($this->connection)){
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throw new \Exception('Could not start Transaction: '.\mysqli_error($this->connection));}
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return true;}
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/**
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* Open a Transaction on the Database Connection
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*
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* @return bool Returns true or false depending on success.
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*/
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public function trans(){
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if(!\mysqli_begin_transaction($this->connection,MYSQLI_TRANS_START_WITH_CONSISTENT_SNAPSHOT)){
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throw new \Exception('Could not start Transaction: '.\mysqli_error($this->connection));}
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return true;}
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} |