PHP: Advanced Detailed Approach to Master PHP Programming Language for Web Development by MG Martin

Author:MG Martin [Martin, MG]
Language: eng
Format: azw3, epub
Published: 2019-06-20T16:00:00+00:00

This function works the same way as the previous one; it will display a fatal error if $dbh isn’t an instance of the DB_Connection class.

The Factory pattern

This pattern creates a standard means for a class to build objects of other classes. The normal application of this is when you have a function that has to return objects of various classes based on the input parameters.

One of the biggest challenges in relocating services to a different database is identifying all the places where the old wrapper object is used and delivering the new one. Let us say you have a reporting database that is engraved in an Oracle database which you can access exclusively via a class known as DB_Oracle_Reporting:

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.