June 2005
Intermediate to advanced
794 pages
18h 27m
German
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Kapitel 7. Klassen und Objekte
7.0 Einführung
Ursprünglich war PHP keine objektorientierte (OO-)Sprache. In der weiteren Entwicklung tauchten dann immer mehr objektorientierte Eigenschaften auf. Als Erstes konnte man Klassen definieren, aber es gab noch keine Konstruktoren. Dann erschienen die Konstruktoren, aber es gab keine Destruktoren. Als immer mehr Leute begannen, an die Grenzen der PHP-Syntax zu stoßen, wurden dann allmählich weitere Möglichkeiten hinzugefügt, um dem Bedarf entgegenzukommen.
In Version 5 verfügt PHP mit der Zend Engine 2 nun endlich über ein ausgereiftes und durchdachtes Objektmodell, das sich mit dem anderer objektorientierter Sprachen messen lassen kann. Neben den bereits aus PHP 4 bekannten fundamentalen Konzepten Klasse, ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.