?php class mysql { private $defaultDB = null; private $link = null; private $sql = null; private $bindValue = null; public $num_rows = 0; public $affected_rows = 0; public $insert_id = 0; public $queries = 0; public function __construct() {
<?php
class mysql {
private $defaultDB = null;
private $link = null;
private $sql = null;
private $bindValue = null;
public $num_rows = 0;
public $affected_rows = 0;
public $insert_id = 0;
public $queries = 0;
public function __construct() {
if(func_num_args()) {
$argv = func_get_arg(0);
if(!empty($argv) && is_array($argv)) {
$this->connect($argv);
$argv['charset'] = isset($argv['charset']) ? $argv['charset'] : 'utf8';
$this->setCharset($argv['charset']);
}
}
}
public function connect($argv, $charset = null) {
if($this->link) return false;
$argv = func_get_arg(0);
$argv['port'] = isset($argv['port']) ? $argv['port'] : 3306;
$this->link = mysqli_connect( $argv['host'], $argv['user'], $argv['password'], $argv['database'], $argv['port']);
if(mysqli_connect_errno()) { echo mysqli_connect_error(); exit(0); }
$this->defaultDB = $argv['database'];
if($charset)
$this->setCharset($charset);
}
public function selectDB($database){
$int = mysqli_select_db($this->link, $database);
if($int) $this->defaultDB = $database;
return $int;
}
public function query($sql) {
$result = mysqli_query($this->link, $sql);
if(mysqli_errno($this->link)) { echo mysqli_error($this->link); exit(0); }
$this->queries++;
if(preg_match('/^use\\s+(\\w+)/', $sql, $matches)) list($range, $this->defaultDB) = $matches;
$pattern = array('read'=> '/(?<=select|show)(.+)$/i', 'write'=> '/(?<=alter|use|replace|insert|update|delete)(.+)$/i');
if(preg_match($pattern['write'], $sql)) {
$this->affected_rows = mysqli_affected_rows($this->link);
}else{
$this->num_rows = mysqli_num_rows($result);
}
if(preg_match('/^insert(.+)$/i', $sql)) {
$this->insert_id = mysqli_insert_id($this->link);
}
return $result;
}
public function find($sql) {
$collection = array();
$result = $this->query($sql);
while($rows = mysqli_fetch_assoc($result))
array_push($collection, $rows);
mysqli_free_result($result);
return $collection;
}
public function findOne($sql) {
$result = $this->query($sql);
$rows = mysqli_fetch_assoc($result);
mysqli_free_result($result);
return $rows;
}
public function setCharset($charset) {
return mysqli_set_charset($this->link, $charset);
}
public function prepare($sql) {
$this->sql = $sql;
}
public function bindValue($search, $value) {
$this->bindValue = array();
$this->bindValue[$search] = $value;
}
public function execute() {
if(func_num_args()) {
$argv = func_get_arg(0);
if(!empty($argv) && is_array($argv)) {
if(!is_array($this->bindValue)) $this->bindValue = array();
$this->bindValue = array_merge($this->bindValue, $argv);
}
}
if($this->bindValue) {
foreach($this->bindValue as $search => $value) {
$this->sql = str_replace($search, $this->escape($value), $this->sql);
}
$this->bindValue = null;
}
$int = $this->query($this->sql);
//$this->sql = null;
return (boolean) $int;
}
public function escape($string) {
return mysqli_real_escape_string($this->link, $string);
}
public function close() {
return mysqli_close($this->link);
}
public function ping() {
return mysqli_ping($this->link);
}
public function autoCommit($boolean) {
return mysqli_autocommit($this->link, $boolean);
}
public function commit() {
return mysqli_commit($this->link);
}
public function rollback() {
return mysqli_rollback($this->link);
}
public function __destruct() {
if($this->link) $this->close();
unset($this->link, $this->defaultDB, $this->bindValue, $this->sql, $this->result, $this->num_rows, $this->affected_rows, $this->insert_id);
}
}
$argv = array(
'host' => 'localhost',
'user' => 'root',
'password' => '',
'port' => 3306,
'database' => 'test',
'charset'=> 'utf8');
// Using the "mysql::__construct" method to connect MySQL database
$mysql = new mysql($argv);
var_dump($mysql->find('select version()'));
var_dump($mysql->queries);
// Using the "mysql::connect" method to connect MySQL database
$mysql = new mysql();
$mysql->connect($argv);
var_dump($mysql->find('select version()'));
var_dump($mysql->queries);
$mysql = new mysql();
$mysql->connect($argv);
$mysql->setCharset($argv['charset']);
var_dump($mysql->find('select version()'));
var_dump($mysql->queries);