[wp-trac] [WordPress Trac] #21055: Interface for wpdb compatibility

[WordPress Trac]

#21055: Interface for wpdb compatibility
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 Reporter:  santec           |      Owner:
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Database         |    Version:
 Severity:  normal           |   Keywords:
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 ==Summary==

 From the wp-includes/wp-db.php file:
 {{{
 It is possible to replace this class with your own
 by setting the $wpdb global variable in wp-content/db.php
 file to your class. The wpdb class will still be included,
 so you can extend it or simply use your own.
 }}}

 When one implements a db class that does not extend wpdb, it would be
 safer that the new class implements an interface. This interface may be
 called wpdb_compat and would assure that the class has all necessary
 methods/properties. Of course, wpdb_compat should be supported by wpdb
 too.

 == Design Strategies ==

 My patch adds:
 * wp-includes/interfaces/wpdb-compat.php

 Very small edits to:
 * wp-includes/wp-db.php
 * wp-includes/load.php
 * wp-admin/install.php

 At the moment, WordPress does not include any interface; this means that
 there is not a directory for interfaces.[[BR]]
 In my first draft, I put it in wp-includes/interfaces so that - if more
 interfaces will be added in the future - they will have a logical place.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21055>
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