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Zend
                         and the art of search
                                                             Dave Dash
                                                           Spindrop LLC
                                                          Minneapolis USA




* I’m a symfony evangelist for any who’ll listen
* I write articles and how-tos on spindrop.us
* I’m the lead developer for reviewsby.us
* I’ve worked on a number of symfony sites, many which boast search powered by Zend
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*
   The core symfony framework can do quite a lot


                                                                                      pea rsel                     u
                                                                                                         rse
*
   The greatest strength of symfony is it’s ability to extend beyond the core

    *
     Plugins

                                                                                          t yo f. do lf. do

    *
     PEAR libraries

    *
     other frameworks?
                                                                                               urs       n’t
*
   In symfony (and other frameworks) we embrace the idea of DRY: Don’t Repeat Yourself

                                                                                                   elf.      rep

    *
     Not just in our applications, or the framework itself, but open source PHP in general

                                                                                                                 e

    *
     If there’s good code available, don’t re-invent the wheel.
bridge = simple

*
   Even without help, Zend and ezComponents are easy to use within symfony
*
   But why not build a bridge
*
   The Bridge is simple, it allows us to call classes from Zend or other frameworks and autoload them
*
   That’s it
lucene




*
      We’re going to specifically look at Zend Search Lucene
*
      Great way to quickly add a powerful search engine to your web app
*
      Apache Lucene is a feature-rich, but easy to use search engine library written in Java

       *
     Ported to C, Ruby and of course PHP
*
      The ports generally use binary compatible libraries, meaning we can write one part of the search in Java and another part in PHP if necessary
*
      PHP isn’t always the best language for heavy server-side lifting, so we can pull out resource-intensive processes that are unbecoming of a PHP script and use Java to take care of
them.   We’ll touch on that later
search = 3 things




*
     We’ve got a bridge, we’ve got a php library, search is a snap, so let’s talk about adding it to our applications
*
     There’s three or four things we do with a search engine

      *
      Index records

      *
      Delete records

      *
      Query records

      *
      We do update, but at least with Lucene that involves deleting and indexing
*
     If you’ve seen the tutorials I have online they are written in a propel-specific manner, this is by no means a requirement, we can very easily use Doctrine or
any type of object we want to index
*
     If we have time, which we might, I’ll show a demo with the code in action if people would like
*
     Since our primary task is searching or querying records we’ll start there

      *
      In either our Peer or Table class for our object which we have indexed we’ll want a query method.

      *
      This method loads the search index and uses the Zend Search Lucene library to query
*
     All these queries will be useless without a built up index

      *
      In our object’s class we override the save method and have it delete all the old records of the object in the index (if any) and create a new one from
scratch using the Zend API

      *
      We store the fields we’d want to search on in the index
*
     Finally we need to override our delete method for our object and make sure it removes its records in the search index upon deletion
extension
questions?
i can has demo?

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Zend and the Art of Search

  • 1. Zend and the art of search Dave Dash Spindrop LLC Minneapolis USA * I’m a symfony evangelist for any who’ll listen * I write articles and how-tos on spindrop.us * I’m the lead developer for reviewsby.us * I’ve worked on a number of symfony sites, many which boast search powered by Zend
  • 2. you at yo eat y peat ep urs ours your rse don lf. do elf. d elf. s on’ don’ ’t re n’t rep pea repe t rep t you eat yo t y at y eat our rse urs our don lf. do elf. d self. self D RY on’ don’ . ’t re n’t rep eat peat repea t rep t rep you you t yo eat y you rse lf. d rself. rself urse ou don don . don lf. do ’t re on’t rep eat peat repea ’t rep ’t rep n you you t yo eat y eat you rse lf. d rself. rself urse ours don don . don lf. do el ’t re on’t rep pea repe ’t rep ’t re n’t r you eat yo t y eat peat e at y urs ours rse our you you lf. d elf. elf. don self don don . do rself. on’ rep ’t rep t re do ’t re ’t r n’t eat pea eat pea epea repe you t yo you t yo t yo at rse urs rse lf. d elf. ursel urse lf. d you on’ lf don f. d on’ rse t re ’t re on’t t re lf. d pea pea pea r on’ t re t you t you t yo * The core symfony framework can do quite a lot pea rsel u rse * The greatest strength of symfony is it’s ability to extend beyond the core * Plugins t yo f. do lf. do * PEAR libraries * other frameworks? urs n’t * In symfony (and other frameworks) we embrace the idea of DRY: Don’t Repeat Yourself elf. rep * Not just in our applications, or the framework itself, but open source PHP in general e * If there’s good code available, don’t re-invent the wheel.
  • 3. bridge = simple * Even without help, Zend and ezComponents are easy to use within symfony * But why not build a bridge * The Bridge is simple, it allows us to call classes from Zend or other frameworks and autoload them * That’s it
  • 4. lucene * We’re going to specifically look at Zend Search Lucene * Great way to quickly add a powerful search engine to your web app * Apache Lucene is a feature-rich, but easy to use search engine library written in Java * Ported to C, Ruby and of course PHP * The ports generally use binary compatible libraries, meaning we can write one part of the search in Java and another part in PHP if necessary * PHP isn’t always the best language for heavy server-side lifting, so we can pull out resource-intensive processes that are unbecoming of a PHP script and use Java to take care of them. We’ll touch on that later
  • 5. search = 3 things * We’ve got a bridge, we’ve got a php library, search is a snap, so let’s talk about adding it to our applications * There’s three or four things we do with a search engine * Index records * Delete records * Query records * We do update, but at least with Lucene that involves deleting and indexing * If you’ve seen the tutorials I have online they are written in a propel-specific manner, this is by no means a requirement, we can very easily use Doctrine or any type of object we want to index * If we have time, which we might, I’ll show a demo with the code in action if people would like * Since our primary task is searching or querying records we’ll start there * In either our Peer or Table class for our object which we have indexed we’ll want a query method. * This method loads the search index and uses the Zend Search Lucene library to query * All these queries will be useless without a built up index * In our object’s class we override the save method and have it delete all the old records of the object in the index (if any) and create a new one from scratch using the Zend API * We store the fields we’d want to search on in the index * Finally we need to override our delete method for our object and make sure it removes its records in the search index upon deletion
  • 8. i can has demo?