The Bakery Everything CakePHP

First, you need Sphinx http://sphinxsearch.com/ installed and configured. I hope that you've already set up.
Now, get the sphinxapi.php from the sphinx distribution and place it in app/vendors.
Download the code and save it to app/models/behaviors/sphinx.php

Behavior code:

Download code
<?php
/**
 * Behavior for simple usage of Sphinx search engine
 * http://www.sphinxsearch.com
 *
 * @copyright 2008, Vilen Tambovtsev
 * @author  Vilen Tambovtsev
 * @license      http://www.opensource.org/licenses/mit-license.php The MIT License
 */


class SphinxBehavior extends ModelBehavior
{
    /**
     * Used for runtime configuration of model
     */
    var $runtime = array();
    var $_defaults = array('server' => 'localhost', 'port' => 3312);

    /**
     * Spinx client object
     *
     * @var SphinxClient
     */
    var $sphinx = null;

    function setup(&$model, $config = array())
    {
        $settings = array_merge($this->_defaults, (array)$config);

        $this->settings[$model->alias] = $settings;

        App::import('Vendor', 'sphinxapi');
        $this->runtime[$model->alias]['sphinx'] = new SphinxClient();
        $this->runtime[$model->alias]['sphinx']->SetServer($this->settings[$model->alias]['server'],
                                                           $this->settings[$model->alias]['port']);
    }

    /**
     * beforeFind Callback
     *
     * @param array $query
     * @return array Modified query
     * @access public
     */
    function beforeFind(&$model, $query)
    {
        if (empty($query['sphinx']) || empty($query['search']))
            return true;

        if ($model->findQueryType == 'count')
        {
            $model->recursive = -1;
            $query['limit'] = 1;
        }

        foreach ($query['sphinx'] as $key => $setting)
        {

            switch ($key)
            {
                case 'filter':
                    foreach ($setting as $arg)
                    {
                        $arg[2] = empty($arg[2]) ? false : $arg[2];
                        $this->runtime[$model->alias]['sphinx']->SetFilter($arg[0], (array)$arg[1], $arg[2]);
                    }
                   break;
                case 'filterRange':
                case 'filterFloatRange':
                    $method = 'Set' . $key;
                    foreach ($setting as $arg)
                    {
                        $arg[3] = empty($arg[3]) ? false : $arg[3];
                        $this->runtime[$model->alias]['sphinx']->{$method}($arg[0], (array)$arg[1], $arg[2], $arg[3]);
                    }
                   break;
                case 'matchMode':
                   $this->runtime[$model->alias]['sphinx']->SetMatchMode($setting);
                   break;
                case 'sortMode':
                    $this->runtime[$model->alias]['sphinx']->SetSortMode(key($setting), reset($setting));
                    break;
                default:
                    break;
            }
        }
        $this->runtime[$model->alias]['sphinx']->SetLimits(($query['page'] - 1) * $query['limit'],
                                                           $query['limit']);

        $indexes = !empty($query['sphinx']['index']) ? implode(',' , $query['sphinx']['index']) : '*';

        $result = $this->runtime[$model->alias]['sphinx']->Query($query['search'], $indexes);

        if ($result === false)
        {
            trigger_error("Search query failed: " . $this->runtime[$model->alias]['sphinx']->GetLastError());
            return false;
        }
        else if(isset($result['matches']))
        {
            if ($this->runtime[$model->alias]['sphinx']->GetLastWarning())
            {
                trigger_error("Search query warning: " . $this->runtime[$model->alias]['sphinx']->GetLastWarning());
            }
        }

        unset($query['conditions']);
        unset($query['order']);
        unset($query['offset']);
        $query['page'] = 1;
        if ($model->findQueryType == 'count')
        {
            $result['total'] = !empty($result['total']) ? $result['total'] : 0;
            $query['fields'] = 'ABS(' . $result['total'] . ') AS count';

        }
        else
        {
            if (isset($result['matches']))
                $ids = array_keys($result['matches']);
            else
                $ids = array(0);
            $query['conditions'] = array($model->alias . '.'.$model->primaryKey => $ids);
            $query['order'] = 'FIND_IN_SET('.$model->alias.'.'.$model->primaryKey.', \'' . implode(',', $ids) . '\')';

        }

        return $query;
    }
}
?>


Usage:

Model Class:

Download code <?php 
class Film extends AppModel {
var $actsAs = array('Sphinx');
}
?>

Controller Class:

Download code <?php 
class FilmsController extends AppController
{
function index()
{
    $sphinx = array('matchMode' => SPH_MATCH_ALL, 'sortMode' => array(SPH_SORT_EXTENDED => '@relevance DESC'));
    $results = $this->Film->find('all', array('search' => 'search string here', 'sphinx' => $sphinx));
}


function paging()
{
        $pagination = array('Film' => array('contain' =>
                                       array('FilmType',
                                             'Genre',
                                             'FilmPicture' => array('conditions' => array('type' => 'smallposter')),
                                             'Country',
                                             'Person' => array('conditions' => array('FilmsPerson.profession_id' => array(1, 3, 4))),
                                             'MediaRating'),
                                        'order' => array('Film.modified' => 'desc'),
                                        'conditions' => array('Film.active' => 1),
                                        'limit' => 30));
        $pagination['Film']['fields'] = array('Film.id', 'Film.imdb_rating', 'Film.title',
                                              'Film.year', 'MediaRating.rating');


        $pagination['Film']['sphinx']['filter'][] = array('country_id', $this->params['named']['country']);
        if (!empty($this->params['named']['search']))
        {
            $search = trim($this->params['named']['search']);

            $sort = ', modified DESC';
            if (!empty($this->params['named']['sort']))
            {
                $sort = explode('.', $this->params['named']['sort']);
                $sort = ', ' . $sort[1] . ' DESC';
            }

            $pagination['Film']['sphinx']['matchMode'] = SPH_MATCH_ALL;
            $pagination['Film']['sphinx']['sortMode'] = array(SPH_SORT_EXTENDED => '@relevance DESC' . $sort);

            $pagination['Film']['search'] = $search;
        }
        $this->paginate = $pagination;
        $films = $this->paginate();

}

}
?>