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PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects (PDO) extension (which defines a lightweight and consistent interface for accessing databases), and numerous performance enhancements. [33] In 2008, PHP 5 became the only stable version under development.
Basic object-oriented programming functionality was added in PHP 3. [41] Object handling was completely rewritten for PHP 5, expanding the feature set and enhancing performance. [42] In previous versions of PHP, objects were handled like primitive types. [42] The drawback of this method was that the whole object was copied when a variable was ...
Ajax is not a technology, but rather a programming concept. HTML and CSS can be used in combination to mark up and style information. The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) the new information.
The Loader–Content–Handler–Handler, or "LCHH", is a web programming architecture that is closely modeled after the HTTP request-response cycle and the 3-tier web structure. As its name suggests, LCHH defines four key implementation components:
PHP Data Objects (PDO) The PHP code consists of a core, with optional extensions to the core functionality. PHP's MySQL-related extensions, such as the MySQLi extension, and the MySQL extension, are implemented using the PHP extension framework. An extension typically exposes an API to the PHP developer, to allow its facilities to be used ...
For example, the DAL might return a reference to an object (in terms of object-oriented programming) complete with its attributes instead of a row of fields from a database table. This allows the client (or user) modules to be created with a higher level of abstraction. This kind of model could be implemented by creating a class of data access ...
For the 12th consecutive quarter, Best Buy posted negative same-store sales growth. Net sales and earnings per share also missed estimates.
As in many programming languages, the operation store(V, x) is often written V ← x (or some similar notation), and fetch(V) is implied whenever a variable V is used in a context where a value is required. Thus, for example, V ← V + 1 is commonly understood to be a shorthand for store(V,fetch(V) + 1).