ACID (Atomicity Consistency Isolation Durability) Model of database
ACID(Atomicity Consistency Isolation Durability) is a set of properties that guarantee that database transactions are processed reliably. In the context of databases, a single logical operation on the data is called a transaction.   Atomicity Atomicity is an all-or-none proposition. Modifications on the data in the database either fail or succeed. Each transaction is said… (10 comments)

How to fix warning in authorized.net transaction details api?
From last couple of days, I was struggling with an Authorized.net Transaction Details API.   The code I am working with is written in namespaces/blocks, so the problem I was facing is just like below.   SimpleXMLElement::__construct(): Entity: line 1: parser warning : xmlns: URI AnetApi/xml/v1/schema/AnetApiSchema.xsd is not absolute in /classes/anet_php_sdk/lib/AuthorizeNetTD.php on line 188  … (1 comment)

How to achieve and use Polymorphism in PHP
Polymorphism – the concept   Polymorphism is a Greek word that means “many forms”. In object-oriented programming, polymorphism is a mechanism by which objects of different types can process data through a single interface. Using a typical illustrative example, a program might define a type of object called Animal, containing a function called talk() and,… (6 comments)