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Abstract classes and interfaces: Separating design from implementation Abstract classes were often approximated in PHP 4 by creating methods that contain

objects and classes were introduced into PHP 3 in 1998 In 2000, PHP 4 have this abstract high level functionality in a class that is referred to as the base or

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In fact, the new object-oriented paradigm in PHP 5 is modeled largely on Java and includes interfaces, abstract classes and methods, and excep- tions We will

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Abstract classes and interfaces: Separating design from implementation Abstract classes were often approximated in PHP 4 by creating methods that contain

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abstract class ClassName { abstract public function name(parameters); } PHP Page 11 Abstract classes and interfaces CS380

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