<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<chapter xml:id="solr.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 &reftitle.examples;
 
    <para>
        Examples of how to use the Apache Solr extension in PHP
    </para>
    <example>
        <title>Contents of the BootStrap file</title>
        <programlisting role="php">
<![CDATA[

<?php

/* Domain name of the Solr server */
define('SOLR_SERVER_HOSTNAME', 'solr.example.com');

/* Whether or not to run in secure mode */
define('SOLR_SECURE', true);

/* HTTP Port to connection */
define('SOLR_SERVER_PORT', ((SOLR_SECURE) ? 8443 : 8983));

/* HTTP Basic Authentication Username */
define('SOLR_SERVER_USERNAME', 'admin');

/* HTTP Basic Authentication password */
define('SOLR_SERVER_PASSWORD', 'changeit');

/* HTTP connection timeout */
/* This is maximum time in seconds allowed for the http data transfer operation. Default value is 30 seconds */
define('SOLR_SERVER_TIMEOUT', 10);

/* File name to a PEM-formatted private key + private certificate (concatenated in that order) */
define('SOLR_SSL_CERT', 'certs/combo.pem');

/* File name to a PEM-formatted private certificate only */
define('SOLR_SSL_CERT_ONLY', 'certs/solr.crt');

/* File name to a PEM-formatted private key */
define('SOLR_SSL_KEY', 'certs/solr.key');

/* Password for PEM-formatted private key file */
define('SOLR_SSL_KEYPASSWORD', 'StrongAndSecurePassword');

/* Name of file holding one or more CA certificates to verify peer with*/
define('SOLR_SSL_CAINFO', 'certs/cacert.crt');

/* Name of directory holding multiple CA certificates to verify peer with */
define('SOLR_SSL_CAPATH', 'certs/');

?>

]]>
        </programlisting>

    </example>

 <example>
  <title>Adding a document to the index</title>
  <programlisting role="php">
<![CDATA[

<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$doc = new SolrInputDocument();

$doc->addField('id', 334455);
$doc->addField('cat', 'Software');
$doc->addField('cat', 'Lucene');

$updateResponse = $client->addDocument($doc);

print_r($updateResponse->getResponse());

?>

]]>
  </programlisting>
  &example.outputs.similar;
  <screen>
<![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 446
        )

)
]]>
  </screen>
 </example>
 
 <example>
  <title>Merging one document into another document</title>
  <programlisting role="php">
   <![CDATA[

<?php

include "bootstrap.php";

$doc = new SolrDocument();

$second_doc = new SolrDocument();

$doc->addField('id', 1123);

$doc->features = "PHP Client Side";
$doc->features = "Fast development cycles";

$doc['cat'] = 'Software';
$doc['cat'] = 'Custom Search';
$doc->cat   = 'Information Technology';

$second_doc->addField('cat', 'Lucene Search');

$second_doc->merge($doc, true);

print_r($second_doc->toArray());


?>

]]>
  </programlisting>
  &example.outputs.similar;
  <screen>
   <![CDATA[
Array
(
    [document_boost] => 0
    [field_count] => 3
    [fields] => Array
        (
            [0] => SolrDocumentField Object
                (
                    [name] => cat
                    [boost] => 0
                    [values] => Array
                        (
                            [0] => Software
                            [1] => Custom Search
                            [2] => Information Technology
                        )

                )

            [1] => SolrDocumentField Object
                (
                    [name] => id
                    [boost] => 0
                    [values] => Array
                        (
                            [0] => 1123
                        )

                )

            [2] => SolrDocumentField Object
                (
                    [name] => features
                    [boost] => 0
                    [values] => Array
                        (
                            [0] => PHP Client Side
                            [1] => Fast development cycles
                        )

                )

        )

)
]]>
  </screen>
 </example>
 
 
 <example>
  <title>Searching for documents - SolrObject responses</title>
  <programlisting role="php">
<![CDATA[

<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery();

$query->setQuery('lucene');

$query->setStart(0);

$query->setRows(50);

$query->addField('cat')->addField('features')->addField('id')->addField('timestamp');

$query_response = $client->query($query);

$response = $query_response->getResponse();

print_r($response);

?>

]]>
  </programlisting>
  &example.outputs.similar;
  <screen>
<![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 1
            [params] => SolrObject Object
                (
                    [wt] => xml
                    [rows] => 50
                    [start] => 0
                    [indent] => on
                    [q] => lucene
                    [fl] => cat,features,id,timestamp
                    [version] => 2.2
                )

        )

    [response] => SolrObject Object
        (
            [numFound] => 3
            [start] => 0
            [docs] => Array
                (
                    [0] => SolrObject Object
                        (
                            [cat] => Array
                                (
                                    [0] => Software
                                    [1] => Lucene
                                )

                            [id] => 334456
                        )

                    [1] => SolrObject Object
                        (
                            [cat] => Array
                                (
                                    [0] => Software
                                    [1] => Lucene
                                )

                            [id] => 334455
                        )

                    [2] => SolrObject Object
                        (
                            [cat] => Array
                                (
                                    [0] => software
                                    [1] => search
                                )

                            [features] => Array
                                (
                                    [0] => Advanced Full-Text Search Capabilities using Lucene
                                    [1] => Optimized for High Volume Web Traffic
                                    [2] => Standards Based Open Interfaces - XML and HTTP
                                    [3] => Comprehensive HTML Administration Interfaces
                                    [4] => Scalability - Efficient Replication to other Solr Search Servers
                                    [5] => Flexible and Adaptable with XML configuration and Schema
                                    [6] => Good unicode support: héllo (hello with an accent over the e)
                                )

                            [id] => SOLR1000
                            [timestamp] => 2009-09-04T20:38:55.906
                        )

                )

        )

)
]]>
  </screen>
 </example>
 
 <example>
  <title>Searching for documents - SolrDocument responses</title>
  <programlisting role="php">
<![CDATA[

<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery();

$query->setQuery('lucene');

$query->setStart(0);

$query->setRows(50);

$query->addField('cat')->addField('features')->addField('id')->addField('timestamp');

$query_response = $client->query($query);

$query_response->setParseMode(SolrQueryResponse::PARSE_SOLR_DOC);

$response = $query_response->getResponse();

print_r($response);

?>

]]>
  </programlisting>
  &example.outputs.similar;
  <screen>
   <![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 1
            [params] => SolrObject Object
                (
                    [wt] => xml
                    [rows] => 50
                    [start] => 0
                    [indent] => on
                    [q] => lucene
                    [fl] => cat,features,id,timestamp
                    [version] => 2.2
                )

        )

    [response] => SolrObject Object
        (
            [numFound] => 3
            [start] => 0
            [docs] => Array
                (
                    [0] => SolrDocument Object
                        (
                            [_hashtable_index:SolrDocument:private] => 19740
                        )

                    [1] => SolrDocument Object
                        (
                            [_hashtable_index:SolrDocument:private] => 25485
                        )

                    [2] => SolrDocument Object
                        (
                            [_hashtable_index:SolrDocument:private] => 25052
                        )

                )

        )

)
]]>
  </screen>
 </example>
    
 <example>
        <title>Simple TermsComponent example - basic</title>
        <programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery();

$query->setTerms(true);

$query->setTermsField('cat');

$updateResponse = $client->query($query);

print_r($updateResponse->getResponse());

?>
]]>
        </programlisting>
        &example.outputs.similar;
        <screen>
<![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 2
        )

    [terms] => SolrObject Object
        (
            [cat] => SolrObject Object
                (
                    [electronics] => 14
                    [Lucene] => 4
                    [Software] => 4
                    [memory] => 3
                    [card] => 2
                    [connector] => 2
                    [drive] => 2
                    [graphics] => 2
                    [hard] => 2
                    [monitor] => 2
                )

        )

)

]]>
        </screen>
 </example>
    
<example>
    <title>Simple TermsComponent example - using a prefix</title>
    <programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery();

$query->setTerms(true);

/* Return only terms starting with $prefix */
$prefix = 'c';

$query->setTermsField('cat')->setTermsPrefix($prefix);

$updateResponse = $client->query($query);

print_r($updateResponse->getResponse());

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 1
        )

    [terms] => SolrObject Object
        (
            [cat] => SolrObject Object
                (
                    [card] => 2
                    [connector] => 2
                    [camera] => 1
                    [copier] => 1
                )

        )

)
]]>
    </screen>
</example>
    
<example>
    <title>Simple TermsComponent example - specifying a minimum frequency</title>
    <programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery();

$query->setTerms(true);

/* Return only terms starting with $prefix */
$prefix = 'c';

/* Return only terms with a frequency of 2 or greater */
$min_frequency = 2;

$query->setTermsField('cat')->setTermsPrefix($prefix)->setTermsMinCount($min_frequency);

$updateResponse = $client->query($query);

print_r($updateResponse->getResponse());

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
SolrObject Object
(
    [responseHeader] => SolrObject Object
        (
            [status] => 0
            [QTime] => 0
        )

    [terms] => SolrObject Object
        (
            [cat] => SolrObject Object
                (
                    [card] => 2
                    [connector] => 2
                )

        )

)
]]>
    </screen>
</example>
    
<example>
<title>Simple Facet Example</title>
<programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery('*:*');

$query->setFacet(true);

$query->addFacetField('cat')->addFacetField('name')->setFacetMinCount(2);

$updateResponse = $client->query($query);

$response_array = $updateResponse->getResponse();

$facet_data = $response_array->facet_counts->facet_fields;

print_r($facet_data);

?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
SolrObject Object
(
    [cat] => SolrObject Object
        (
            [electronics] => 14
            [memory] => 3
            [Lucene] => 2
            [Software] => 2
            [card] => 2
            [connector] => 2
            [drive] => 2
            [graphics] => 2
            [hard] => 2
            [monitor] => 2
            [search] => 2
            [software] => 2
        )

    [name] => SolrObject Object
        (
            [gb] => 6
            [1] => 3
            [184] => 3
            [2] => 3
            [3200] => 3
            [400] => 3
            [500] => 3
            [ddr] => 3
            [i] => 3
            [ipod] => 3
            [memori] => 3
            [pc] => 3
            [pin] => 3
            [pod] => 3
            [sdram] => 3
            [system] => 3
            [unbuff] => 3
            [canon] => 2
            [corsair] => 2
            [drive] => 2
            [hard] => 2
            [mb] => 2
            [n] => 2
            [power] => 2
            [retail] => 2
            [video] => 2
            [x] => 2
        )

)
]]>
</screen>
</example>
    
<example>
    <title>Simple Facet Example - with optional field override for mincount</title>
    <programlisting role="php">
        <![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery('*:*');

$query->setFacet(true);

$query->addFacetField('cat')->addFacetField('name')->setFacetMinCount(2)->setFacetMinCount(4, 'name');

$updateResponse = $client->query($query);

$response_array = $updateResponse->getResponse();

$facet_data = $response_array->facet_counts->facet_fields;

print_r($facet_data);

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
        <![CDATA[
SolrObject Object
(
    [cat] => SolrObject Object
        (
            [electronics] => 14
            [memory] => 3
            [Lucene] => 2
            [Software] => 2
            [card] => 2
            [connector] => 2
            [drive] => 2
            [graphics] => 2
            [hard] => 2
            [monitor] => 2
            [search] => 2
            [software] => 2
        )

    [name] => SolrObject Object
        (
            [gb] => 6
        )

)
]]>
    </screen>
</example>

<example>
<title>Facet Date Example</title>
<programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
        'hostname' => SOLR_SERVER_HOSTNAME,
        'login'    => SOLR_SERVER_USERNAME,
        'password' => SOLR_SERVER_PASSWORD,
        'port'     => SOLR_SERVER_PORT,
);

$client = new SolrClient($options);

$query = new SolrQuery('*:*');

$query->setFacet(true);

$query->addFacetDateField('manufacturedate_dt');

$query->setFacetDateStart('2006-02-13T00:00:00Z');

$query->setFacetDateEnd('2012-02-13T00:00:00Z');

$query->setFacetDateGap('+1YEAR');

$query->setFacetDateHardEnd(1);

$query->addFacetDateOther('before');

$updateResponse = $client->query($query);

$response_array = $updateResponse->getResponse();

$facet_data = $response_array->facet_counts->facet_dates;

print_r($facet_data);

?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
SolrObject Object
(
    [manufacturedate_dt] => SolrObject Object
        (
            [2006-02-13T00:00:00Z] => 9
            [2007-02-13T00:00:00Z] => 0
            [2008-02-13T00:00:00Z] => 0
            [2009-02-13T00:00:00Z] => 0
            [2010-02-13T00:00:00Z] => 0
            [2011-02-13T00:00:00Z] => 0
            [gap] => +1YEAR
            [start] => 2006-02-13T00:00:00Z
            [end] => 2012-02-13T00:00:00Z
            [before] => 2
        )

)
]]>
</screen>
</example>

<example>
        <title>Connecting to SSL-Enabled Server</title>
        <programlisting role="php">
<![CDATA[
<?php

include "bootstrap.php";

$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
    'timeout'  => SOLR_SERVER_TIMEOUT,
    'secure'   => SOLR_SECURE,
    'ssl_cert' => SOLR_SSL_CERT_ONLY,
    'ssl_key'  => SOLR_SSL_KEY,
    'ssl_keypassword' => SOLR_SSL_KEYPASSWORD,
    'ssl_cainfo' => SOLR_SSL_CAINFO,
);

$client = new SolrClient($options);

$query = new SolrQuery('*:*');

$query->setFacet(true);

$query->addFacetField('cat')->addFacetField('name')->setFacetMinCount(2)->setFacetMinCount(4, 'name');

$updateResponse = $client->query($query);

$response_array = $updateResponse->getResponse();

$facet_data = $response_array->facet_counts->facet_fields;

print_r($facet_data);

?>
]]>
        </programlisting>
        &example.outputs.similar;
        <screen>
            <![CDATA[
SolrObject Object
(
    [cat] => SolrObject Object
        (
            [electronics] => 14
            [memory] => 3
            [Lucene] => 2
            [Software] => 2
            [card] => 2
            [connector] => 2
            [drive] => 2
            [graphics] => 2
            [hard] => 2
            [monitor] => 2
            [search] => 2
            [software] => 2
        )

    [name] => SolrObject Object
        (
            [gb] => 6
        )

)
]]>
        </screen>
    </example>
    
</chapter>

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