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PHP PDO Class Wrapper

[A Wrapper Class of PDO]

Version 1.3

New update for PHP8

Project information

• Started: 20 September 2017.
• Project Manager: HackerPro536 (LE VAN PHU) [email protected].
• Copyrights: 2017 LP Group.
• Version: 1.3
• PHP 8.x

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Installation

System requirements

• PHP version: 7.0 and lasted.
• MySQL version: Recommend 5.6 and above.

Please keep in mind that this project is licensed by LP Group:

1. Only authenticated developers can download from the link above.
2. Published website must be PMS authorised clients.

Any other cases of uses not mentioned above is prohibited. If you have illegal copy of this project, please kindly to contact us for our further supporting.

LP Group

1. HackerPro536 (LE VAN PHU) - CEO.

   Introduction:

PDO Class Wrapper is a wrapper class of PDO (PHP Data Object) library. As we know that in any web application, database makes an important role for developer to create a good dynamic web application. We can use different database drivers to make web more and more interactive and dynamic. But in any web project we also know that Security is a big part and concern for developers. Every developer wants to keep user's data very safe. Hence, we use much built-in functionality in PHP to prevent unauthorized access for database e.g. mysql_real_escape_string (), addslashes () etc. But some time it's very difficult to manage big application with big chunk of code. So PHP improves MySQL to MySQLi (MySQL Improved). According to php.net The MySQLi extension has a number of benefits, the key enhancements over the MySQL extension being:Object-oriented interface

1. Support for Prepared Statements
2. Support for Multiple Statements
3. Support for Transactions
4. Enhanced debugging capabilities
5. Embedded server support

What is the PDO MYSQL driver?

The PDO MYSQL driver is not an API as such, at least from the PHP programmer's perspective. In fact the PDO MYSQL driver sits in the layer below PDO itself and provides MySQL-specific functionality. The programmer still calls the PDO API, but PDO uses the PDO MYSQL driver to carry out communication with the MySQL server. The PDO MYSQL driver is one of several available PDO drivers. Other PDO drivers available include those for the Firebird and PostgreSQL database servers. The PDO MYSQL driver is implemented using the PHP extension framework. Its source code is located in the directory ext/pdo_mysql. It does not expose an API to the PHP programmer.

Comparison of MySQL API options for PHP

About PDO Class Wrapper:

PDO Class Wrapper is a wrapper class of PDO (PHP Data Object) library. It has many useful built in functions to manage your web application database code very shorter. Also you will find some helpful method to fix your bug with very ease.

[source: Net Tut+]

Advantage of using PDO:

Many PHP programmers learned how to access databases by using either the MySQL or MySQLi extensions. As of PHP 5.1, there is a better way. PHP Data Objects (PDO) provides methods for prepared statements and working with objects that will make you far more productive!

PDO Class Wrapper Features:

PDO Class Wrapper has very classic methods like any database class library:

MySQL query                                 pdoQuery()
MySQL select query                          select ()
MySQL insert query                          insert ()
MySQL insert batch                          insertBatch()
MySQL update query                          update()
MySQL delete query                          delete()
MySQL truncate table                        truncate()
MySQL drop table                            drop()
MySQL describe table                        describe()
MySQL count records                         count()
Show/debug executed query                   showQuery()
Get last insert id                          getLastInsertId()
Get all last insert id                      getAllLastInsertId()
Get MySQL results                           results()
Get MySQL result                            result()
Get status of executed query                affectedRows()
MySQL begin transactions                    start()
MySQL commit the transaction                end()
MySQL rollback the transaction              back()
Debugger PDO Error                          setErrorLog()

How to Connect PDO Class:

Example: [A]

Example: [B]

PDO Class Wrapper Methods Explanations:

pdoQuery():

Method name and parameter

pdoQuery ( string $sSql, array $aBindWhereParam)

Explanations: This method is use for simple MySQL query; you can execute your MySQL query with parameterized parameter or as simple query.

Example:

select():

Method name and parameter

select (string $sTable , array $aColumn, array $aWhere, string $sOther)

Explanations: The select method is made for get table data from just pass table name in method, if you omit column then you will get all fields of requested table else you can pass table field by an array. If you want to pass a where clause then you can use third parameter of select method and by pass fourth parameter you can send other filters.

Example:

insert():

Method name and parameter

insert( string $sTable, array $aData )

Explanations: By insert method you can insert record into selected table. Just pass data as an array with fields as array key and the array data will insert in to table. Insert method automatically convert your array data in to SQL injection safe data.

Example:

insertBatch():

Method name and parameter

insertBatch(string $sTable, array $aData, boolean $safeModeInsert )

Explanations: You can use this method for inserting multiple array data in same table. You have to just send full array data and rest of thing insertBatch will handle. You can send third parameter as false if you don't want to insert parameterize insert or send true if want to secure insertions. insertBatch works with MySQL transactions so you don't need to worry about failure data. It will be rollback if anything goes wrong.

Example:

update():

Method name and parameter

update( string $sTable, array $aData, array $aWhere, string  $sOther)

Explanations: Update method is use for update a table with array data. You can send array data as update data in table.

Example:

delete():

Method name and parameter

delete( string $sTable, array $aWhere, string  $sOther )

Explanations: You can delete records from table by send table name and your where clause array.

Example:

truncate():

Method name and parameter

truncate( string $sTable )

Explanations: You can truncate table by just pass table name.

Example:

drop():

Method name and parameter

drop( string $sTable )

Explanations: You can drop table by just pass table name.

Example:

describe():

Method name and parameter

describe( string $sTable )

Explanations: You can get a table field name and data type.

Example:

count():

Method name and parameter

count( string $sTable, string $sWhere )

Explanations: This function will return the number of total rows in a table.

Example:

showQuery():

Method name and parameter

showQuery( Boolean $logfile )

Explanations: By this function you can get executed query. It will show raw query on your screen. If you want to logfile to save query then you can send 2nd param as true. By default it's false.

Example:

getLastInsertId():

Method name and parameter

getLastInsertId()

Explanations: Get a newly inserted id by insert function.

Example:

$lid = $db->getLastInsertId();

Return: Number/Integer

getAllLastInsertId():

Method name and parameter

getAllLastInsertId ()

Explanations: Get all newly inserted id by insertBatch function.

Example:

$lid = $db->getAllLastInsertId();

Return: Array

results():

Method name and parameter

results (string $type )

Explanations: Get array result data by executed SELECT or Select Query. You can get result in three formats Array, XML and JSON. Just pass 1st param as 'array' or 'xml' or 'json'. By default it will return array.

Example:

Return: Array | XML | JSON

result():

Method name and parameter

results (integer $iRow)

Explanations: Get result from an array data by request index or false.

Example:

$data = $db->result(1);

Return: Array | false

affectedRows():

Method name and parameter

affectedRows()

Explanations: Get number of affected rows by update, delete and select etc. statement or false.

Example:

$data = $db->affectedRows();

Return: integer | false

start():

Method name and parameter

start()

Explanations: Start the MySQL transaction.

Example:

$db->start();

end():

Method name and parameter

end()

Explanations: Commit the MySQL transaction.

Example:

$db->end();

back():

Method name and parameter

back()

Explanations: Rollback the MySQL transaction.

Example:

$db->back();

setErrorLog():

Method name and parameter

setErrorLog (boolean $mode)

Explanations: setErrorLog, method works for show/hide PDO error. If you send true then all errors will show on screen or if you send false then all errors will store in log file in same location.

Example:

$db->setErrorLog(true);

Example Connection Page: