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<?php
/**
* \brief This class contains Database Query details [Ex : Insert, Update, Delete etc.]
* \n Features:
* \li Get Database Object
* \li Select Data from Database Table
* \li Update Data into Database Table
* \li Delete Data from Database Table
* \li Execute Queries
* \n
* \author Jayshri Kinge
* \version 1.0
* \date 04/03/2015
* \note (C) 2015 Fermion Infotech Private Limited. All rights reserved. (info@fermion.in)
*/
error_reporting(0);
class Dbop {
/**
* Connection Object $connection
*/
private $connection;
/**
* getObject gets the connection object by calling method getDBObject
* @param Array $database containing the connection data
* <p> This function is use to get the connection object to create connection with database</p>
* @return void
*/
public function getObject($database) {
//error_log("test________DBOP".$database);
$this->connection = DbConn::getDBObject($database);
}
/**
* getParamType gets the type of parameter
* @param String $type containing the datatype
* <p> This function is use to get the type of parameter</p>
* @return Char
*/
private function getParamType($type) {
switch($type) {
case 'integer':
$returnValue = 'i';
break;
case 'double':
$returnValue = 'd';
break;
default:
$returnValue = 's';
}
return $returnValue;
}
public function prepareStmt($sql, $database = 'cube') {
$this->getObject($database);
$statement = $this->connection->prepare($sql);
if(!$statement) {
@@error_log($this->getError() . ' :: ' . $sql);
return false;
}
return $statement;
}
/**
* select retrives data from database table
* @param String $sql containing the query string which executes to retrive data
* @param String $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function retrives the data from database table by calling prepare & execute method</p>
* @return Array
*/
public function select($sql, $params = array(), $database = DB_INVINO, $statement = false) {
$resultArr = array();
//$paramType = '';
$bindParams = array();
$bindParams[0] = '';
$i = 0;
if(!$statement || !is_object($statement)) {
$statement = $this->prepareStmt($sql, $database);
}
if(!$statement) {
@error_log($this->getError() . ' ::--- ' . $sql);
}
if(is_array($params)) {
foreach($params as $param) {
$i++;
$bindParams[0] .= $this->getParamType(gettype($param));
$bindParams[$i] = $param;
}
$tmp = array();
foreach($bindParams as $key => $value) $tmp[$key] = &$bindParams[$key];
call_user_func_array(array($statement, "bind_param"), $tmp);
}
$statement->execute();
if($statement->errno == 0) {
$statement->store_result();
}
if(strlen($statement->error) > 0) {
@error_log($statement->error . ' :: ' . $sql);
}
$allFieldsArr = $statement->result_metadata()->fetch_fields();
foreach($allFieldsArr as $fields) {
$allFields[] = trim($fields->name);
}
$fieldArray = array();
for($fieldI = 0; $fieldI < $statement->field_count; $fieldI++) {
$fieldArray[$fieldI] = '';
}
$tmp = array();
foreach($fieldArray as $key => $value) $tmp[$key] = &$fieldArray[$key];
call_user_func_array(array($statement,"bind_result"), $tmp);
$i = 0;
while($row = $statement->fetch()){
$j = 0;
foreach($fieldArray as $key => $value) {
$resultArr[$i][$allFields[$j]] = $value;
$j++;
}
$i++;
}
$statement->free_result();
if(!$statement || !is_object($statement)) {
$statement->close();
}
return $resultArr;
}
/**
* update edit data from database table
* @param String $sql containing the query string which executes to update data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function update the data from database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function update($sql, $params = array(), $database = DB_INVINO, $statement = false) {
//$resultArr = array();
$bindParams = array();
$bindParams[0] = '';
$i = 0;
if(!$statement || !is_object($statement)) {
$statement = $this->prepareStmt($sql, $database);
}
if(!$statement) {
@error_log($this->getError() . ' :: ' . $sql);
}
if(is_array($params)) {
foreach($params as $param) {
$i++;
$bindParams[0] .= $this->getParamType(gettype($param));
$bindParams[$i] = $param;
}
$tmp = array();
foreach($bindParams as $key => $value) $tmp[$key] = &$bindParams[$key];
call_user_func_array(array($statement, "bind_param"), $tmp);
}
$statement->execute();
if(strlen($statement->error) > 0) {
@error_log($statement->error . ' :: ' . $sql);
}
$affectedRows = $statement->affected_rows;
if(!$statement || !is_object($statement)) {
$statement->close();
}
return $affectedRows;
}
public function truncate($sql, $database = DB_INVINO, $statement = false) {
if(!$statement || !is_object($statement)) {
$statement = $this->prepareStmt($sql, $database);
}
if(!$statement) {
@error_log($this->getError() . ' :: ' . $sql);
}
$statement->execute();
if(strlen($statement->error) > 0) {
@error_log($statement->error . ' :: ' . $sql);
}
$affectedRows = $statement->affected_rows;
if(!$statement || !is_object($statement)) {
$statement->close();
}
return $affectedRows;
}
/**
* delete, deletes data row from database table
* @param String $sql containing the query string which executes to delete data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function deletes the data from database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function delete($sql, $params = array(), $database = DB_INVINO, $statement = false) {
//$resultArr = array();
$bindParams = array();
$bindParams[0] = '';
$i = 0;
if(!$statement || !is_object($statement)) {
$statement = $this->prepareStmt($sql, $database);
}
if(!$statement) {
@error_log($this->getError() . ' :: ' . $sql);
}
if(is_array($params)) {
foreach($params as $param) {
$i++;
$bindParams[0] .= $this->getParamType(gettype($param));
$bindParams[$i] = $param;
}
$tmp = array();
foreach($bindParams as $key => $value) $tmp[$key] = &$bindParams[$key];
call_user_func_array(array($statement, "bind_param"), $tmp);
}
$statement->execute();
if(strlen($statement->error) > 0) {
@error_log($statement->error . ' :: ' . $sql);
}
$affectedRows = $statement->affected_rows;
if(!$statement || !is_object($statement)) {
$statement->close();
}
return $affectedRows;
}
/**
* insert is a normal method to insert data row into database table
* @param String $sql containing the query string which executes to insert data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function inserted the data in database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function insert($sql, $params = array(), $database = DB_INVINO, $statement = false) {
$success = false;
//$resultArr = array();
$bindParams = array();
$bindParams[0] = '';
$i = 0;
if(!$statement || !is_object($statement)) {
$statement = $this->prepareStmt($sql, $database);
}
if(!$statement) {
@error_log($this->getError() . ' :: ' . $sql);
}
if(is_array($params)) {
foreach($params as $param) {
$i++;
$bindParams[0] .= $this->getParamType(gettype($param));
$bindParams[$i] = $param;
}
$tmp = array();
foreach($bindParams as $key => $value) $tmp[$key] = &$bindParams[$key];
call_user_func_array(array($statement, "bind_param"), $tmp);
}
$success = $statement->execute();
if($success !== true) {
@error_log($this->getError() . ' :: ' . $sql);
}
if(strlen($statement->error) > 0) {
@error_log($statement->error . ' :: ' . $sql);
}
$insertID = $statement->insert_id;
if(!$statement || !is_object($statement)) {
$statement->close();
}
return $insertID;
}
/**
* select retrives data from database table
* @param String $sql containing the query string which executes to retrive data
* @param String $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function retrives the data from database table by calling prepare & execute method</p>
* @return Array
*/
public function execSelect($sql, $database = DB_INVINO) {
$this->getObject($database);
$resultObj = $this->connection->query($sql);
if($resultObj === false) {
@error_log($this->connection->error . ' :: ' . $sql);
} else {
//$resultArr = $resultObj->fetch_all(MYSQLI_ASSOC);
for ($resultArr = array(); $tmp = $resultObj->fetch_array(MYSQLI_ASSOC);) $resultArr[] = $tmp;
}
$resultObj->close();
return $resultArr;
}
/**
* update edit data from database table
* @param String $sql containing the query string which executes to update data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function update the data from database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function execUpdate($sql, $database = DB_INVINO) {
$this->getObject($database);
$success = $this->connection->query($sql);
if($success === false) {
@error_log($this->connection->error . ' :: ' . $sql);
}
$affectedRows = $resultObj->affected_rows;
return $affectedRows;
}
/**
* delete, deletes data row from database table
* @param String $sql containing the query string which executes to delete data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function deletes the data from database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function execDelete($sql, $database = DB_INVINO) {
$this->getObject($database);
$success = $this->connection->query($sql);
if($success === false) {
@error_log($this->connection->error . ' :: ' . $sql);
}
$affectedRows = $this->connection->affected_rows;
return $affectedRows;
}
/**
* execInsert is a normal method to insert data row into database table
* @param String $sql containing the query string which executes to insert data
* @param Array $params is array variable which stores parameter types
* @param Array $database contains database details
* <p> This function inserted the data in database table by calling prepare & execute method</p>
* @return INT [Number of affected_rows]
*/
public function execInsert($sql, $database = DB_INVINO) {
$this->getObject($database);
$success = $this->connection->query($sql);
if($success === false) {
@error_log($this->connection->error . ' :: ' . $sql);
}
$insertID = $this->connection->insert_id;
return $insertID;
}
/**
* execQuery is a normal method to execute the query
* @param String $sql containing the query string which executes to update data
* @param Array $database contains database details
* <p> This function executes query which passed as an argument after creation of database connection</p>
* @return Boolean [true or false] or ResultSet
*/
public function execQuery($sql, $database) {
$this->getObject($database);
try {
return $this->connection->query($sql);
}
catch (Exception $err){
$err = $this->connection->error;
throw new Exception($err);
}
}
/**
* getError displays the error message
* <p> This function displays error message if code is not executed successfully</p>
* @return String [Error message]
*/
public function getError() {
return $this->connection->error;
}
/**
* multiQuery displays the error message
* @param String $sql contains the SQL Query
* @param String $database contains the Database Connection Object
* <p> This function executes one or multiple queries which are concatenated by a semicolon. </p>
* @return Boolean [Returns FALSE if the first statement failed otherwise true]
*/
public function multiQuery($sql, $database) {
$this->getObject($database);
try {
return $this->connection->multi_query($sql);
}
catch (Exception $err){
$err = $this->connection->error;
throw new Exception($err);
}
}
/**
* getUUID create unique ID through uuid() of mysqli
* @param Array $database contains the details of database
* <p> This function creates UUID which is a 128-bit number represented by a utf8 string of five hexadecimal numbers in aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee format: </p>
* @return String Returns a Universal Unique Identifier
*/
public function getUUID($database) {
$this->getObject($database);
try {
$query = 'select uuid() as uuid';
$uidArr = $this->select($query, '', $database);
return $uidArr[0]['uuid'];
}
catch (Exception $err){
$err = $this->connection->error;
throw new Exception($err);
}
return '';
}
}
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