Connecting Application to Mysql Database CPanel, utf8_general_ci - mysql

Question

I have software or an application on a MacBook called Nano Hotel Booking, I am trying to connect it to my CPanel server but I get the error Unknown collation: 'utf8_general_ci'. Everything else works besides the error for UTF8 I have checked the setting on the Data
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<?php
$database_host = "localhost";
$database_user = "12345";
$database_password = "12345";
$database_name = "12345";
$db_access_token = "";
$return_format = (isset($_REQUEST['return_format'])) ? $_REQUEST['return_format'] : 'json';
$res = array('success' => true, 'errormsg' => '', 'data' => '');
try
{
$filename = (isset($_FILES['uploadedfile']['name'])) ? $_FILES['uploadedfile']['name'] : '';
if(trim($filename))
{
$upload_dir = 'data';
$ar = explode('___', basename($_FILES['uploadedfile']['name']));
if(sizeof($ar) != 3) throw new Exception('Bad file name '.basename($_FILES['uploadedfile']['name']));
if(!trim($ar[0]) || !trim($ar[1])) throw new Exception('Bad folder name');
if(!trim($ar[2])) throw new Exception('Bad file name '.$ar[2]);
if(!file_exists($upload_dir))
{
if(!#mkdir($upload_dir, 0777)) throw new Exception('Can not create folder '.$upload_dir);
}
$upload_dir .= '/'.trim($ar[0]);
if(!file_exists($upload_dir))
{
if(!#mkdir($upload_dir, 0777)) throw new Exception('Can not create folder '.$upload_dir);
}
$upload_dir .= '/'.trim($ar[1]);
if(!file_exists($upload_dir))
{
if(!#mkdir($upload_dir, 0777)) throw new Exception('Can not create folder '.$upload_dir);
}
$upload_dir .= '/'.trim($ar[2]);
if(file_exists($upload_dir)) #unlink($upload_dir);
if(!move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $upload_dir))
throw new Exception('Can not upload file '.$upload_dir);
} else
{
$params = $_REQUEST;
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
if(!$action) throw new Exception('Action not found.');
$enc_request = (isset($_REQUEST['enc_request'])) ? $_REQUEST['enc_request'] : '';
$params = #json_decode(trim(base64_decode($enc_request)));
if($params == false) throw new Exception('Request is not valid');
$params = (array)$params;
// Connect user
$s_key = '';
if(isset($params['db_access_token']))
{
$s_key = $params['db_access_token'];
}
if($s_key !== $db_access_token) throw new Exception('Bad user.');
$controller = new apiController($database_host, $database_user, $database_password, $database_name);
if($action === 'checkconnection') throw new Exception('ok');
if(method_exists($controller, $action) === false ) throw new Exception('Action is invalid.');
$controller->request = $params;
$res['data'] = $controller->$action();
}
} catch(Exception $e)
{
$res['success'] = 0;
$res['errormsg'] = $e->getMessage();
}
switch($return_format)
{
case 'json': print(json_encode($res)); exit; break;
case 'xml': print(arrayToXml($res)); exit; break;
}
class apiController
{
public $request = array();
protected $conn;
public function __construct($host = '', $user = '', $psw = '', $dbname = '')
{
#$this->conn = mysqli_connect($host, $user, $psw, $dbname);
if(!$this->conn) throw new Exception(mysqli_connect_errno().' '.mysqli_connect_error());
#mysqli_query($this->conn, "SET CHARACTER SET utf8_general_ci");
#mysqli_query($this->conn, "set names utf8");
#mysqli_query($this->conn, "SET collation_connection = utf8_general_ci");
}
public function select()
{
$sql = (isset($this->request['sql'])) ? $this->request['sql'] : '';
$array = array();
if(is_array($sql))
{
foreach($sql as $value)
{
$arr = $this->selectOne($value);
$array[] = (sizeof($arr) > 0) ? $arr[0] : array();
}
} else
{
$array = $this->selectOne($sql);
}
if($this->conn) #mysqli_close($this->conn);
return $array;
}
public function selectOne($sql = '')
{
if(!trim($sql)) throw new Exception('Empty sql.');
$offset = (isset($this->request['offset'])) ? (int)$this->request['offset'] : 0;
$limit = (isset($this->request['limit'])) ? (int)$this->request['limit'] : 20;
if($limit) $sql .= ' LIMIT '.$offset.', '.$limit;
$result = mysqli_query($this->conn, $sql);
if(!$result) throw new Exception(mysqli_error($this->conn));
$rows = mysqli_num_rows($result);
if($rows <= 0)
{
mysqli_free_result($result);
mysqli_close($this->conn);
return array();
}
$array = array();
$fields = mysqli_num_fields($result);
while ($row = mysqli_fetch_row($result))
{
$onerow = array();
for ($i=0; $i < $fields; $i++) $onerow[] = $row[$i];
$array[] = $onerow;
}
mysqli_free_result($result);
return $array;
}
public function execute()
{
$sql = (isset($this->request['sql'])) ? $this->request['sql'] : '';
$array = array();
if(is_array($sql))
{
foreach($sql as $value)
{
$array = $this->executeOne($value);
}
} else
{
$array = $this->executeOne($sql);
}
if($this->conn) #mysqli_close($this->conn);
return $array;
}
public function executeOne($sql = '')
{
$lastid = '';
$result = null;
if(!trim($sql)) throw new Exception('Empty sql.');
$str = strtoupper($sql);
if((strpos($str, 'CREATE') !== false)
&& (strpos($str, 'TABLE') !== false)
)
{
$sql = str_ireplace ('AUTOINCREMENT' , 'AUTO_INCREMENT', $sql);
$sql = str_ireplace ('COLLATE NOCASE' , '', $sql);
}
if((strpos($str, 'INSERT') !== false)
&& (strpos($str, 'INTO') !== false)
&& (strpos($str, 'VALUES') !== false)
&& (strpos($str, '(0,') !== false)
)
{
$result = mysqli_query($this->conn, 'SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"');
if(!$result) throw new Exception(mysqli_error($this->conn));
}
$result = mysqli_query($this->conn, $sql);
if(!$result) throw new Exception(mysqli_error($this->conn));
if((strpos($str, 'INSERT') !== false)
&& (strpos($str, 'INTO') !== false)
&& (strpos($str, 'VALUES') !== false)
)
{
$result = mysqli_query($this->conn, 'SELECT LAST_INSERT_ID()');
if (mysqli_num_rows($result) > 0)
{
while ($row = mysqli_fetch_row($result))
{
$lastid = $row[0];
break;
}
}
}
$array = array();
$array[] = array($lastid);
if($result !== true) mysqli_free_result($result);
return $array;
}
public function getFieldFromSql($sql = '', $def = '')
{
if(!$sql) return $def;
$this->request['offset'] = 0;
$this->request['limit'] = 1;
$arr = $this->selectOne($sql);
if(sizeof($arr) == 0) return $def;
if(sizeof($arr[0]) == 0) return $def;
return $arr[0][0];
}
public function getFieldsFromSql($sql = '', $def = '')
{
if(!$sql) return $def;
$this->request['offset'] = 0;
$this->request['limit'] = 1;
$arr = $this->selectOne($sql);
if(sizeof($arr) == 0) return $def;
return $arr[0];
}
public function getArrayFromSql($sql = '')
{
if(!$sql) return array();
$this->request['offset'] = 0;
$this->request['limit'] = 100000;
return $this->selectOne($sql);
}
public function runScript()
{
$php = (isset($this->request['sql'])) ? trim($this->request['sql']) : '';
$nano = $this;
$php_res = #eval($php);
if($this->conn) #mysqli_close($this->conn);
if(is_array($php_res))
{
if(sizeof($php_res) > 0)
{
if(is_array($php_res[0])) return $php_res;
}
return array($php_res);
}
$array = array();
$array[] = array($php_res);
return $array;
}
}
?>
`
I have tried changing the UTF8 to almost everything else.