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Till Klampaeckel's Blog: Iterating over a table (with Zend_Db_Table and Zend_Paginator)

Note: This article was originally published at PHPDeveloper on 21 April 5304.
PHPDeveloper

Till Klampaeckel has a new post today looking at a solution for a common need - paginating through results as pulled from a database. With the help of the Zend_Db_Table and Zend_Paginator components of the Zend Framework it's a simple matter of passing the results into the Paginator and asking for a certain page.

So frequently, I need to run small data migrations or transformations. Especially on the way to Doctrine, there's a lot to clean-up in a database which has been used and evolved over five years or so.

Code snippets are included to define a class for the table, extending Zend_Db_Table_Abstract, and a new Zend_Paginator_Adapter_DbTableSelect object to create the paginated results. After that, it's as simple as setting the number of items per page and asking for a certain page. There's even a quick bit about being able to edit the rows inside the paginator directly (they're just Zend_Db_Table_Row records).