$ga = $this->service->data_ga->get( 5525412, "2013-05-05", "2013-06-04", "ga:visits,ga:bounces,ga:visitors,ga:newVisits,ga:pageviews,ga:timeOnPage", array( "filters" => "ga:hasSocialSourceReferral==Yes" ) );
And the data will be as follows only with social traffic.
Google_GaData Object ( [kind] => analytics#gaData [rows] => Array ( [0] => Array ( [0] => 215 [1] => 120 [2] => 115 [3] => 101 [4] => 536 [5] => 42342.0 ) ) [containsSampledData] => [totalResults] => 1 [itemsPerPage] => 1000 [totalsForAllResults] => Array ( [ga:visits] => 215 [ga:bounces] => 120 [ga:visitors] => 115 [ga:newVisits] => 101 [ga:pageviews] => 536 [ga:timeOnPage] => 42342.0 ) [nextLink] => [id] => https://www.googleapis.com/analytics/v3/data/ga?ids=ga:XXXXXX&metrics=ga:visits,ga:bounces,ga:visitors,ga:newVisits,ga:pageviews,ga:timeOnPage&filters=ga:hasSocialSourceReferral%3D%3DYes&start-date=2013-05-05&end-date=2013-06-04 [__queryType:protected] => Google_GaDataQuery [__queryDataType:protected] => [query] => Google_GaDataQuery Object ( [max_results] => [sort] => [dimensions] => [start_date] => [start_index] => [segment] => [ids] => ga:XXXXXX [metrics] => Array ( [0] => ga:visits [1] => ga:bounces [2] => ga:visitors [3] => ga:newVisits [4] => ga:pageviews [5] => ga:timeOnPage ) [filters] => ga:hasSocialSourceReferral==Yes [end_date] => [start-date] => 2013-05-05 [end-date] => 2013-06-04 [start-index] => 1 [max-results] => 1000 ) [previousLink] => [__profileInfoType:protected] => Google_GaDataProfileInfo [__profileInfoDataType:protected] => [profileInfo] => Google_GaDataProfileInfo Object ( [webPropertyId] => UA-XXXXXX-1 [internalWebPropertyId] => XXXXXX [tableId] => ga:XXXXXX [profileId] => XXXXXX [profileName] => XXXXXX.com.au [accountId] => XXXXXX ) [__columnHeadersType:protected] => Google_GaDataColumnHeaders [__columnHeadersDataType:protected] => array [columnHeaders] => Array ( [0] => Google_GaDataColumnHeaders Object ( [dataType] => INTEGER [columnType] => METRIC [name] => ga:visits ) [1] => Google_GaDataColumnHeaders Object ( [dataType] => INTEGER [columnType] => METRIC [name] => ga:bounces ) [2] => Google_GaDataColumnHeaders Object ( [dataType] => INTEGER [columnType] => METRIC [name] => ga:visitors ) [3] => Google_GaDataColumnHeaders Object ( [dataType] => INTEGER [columnType] => METRIC [name] => ga:newVisits ) [4] => Google_GaDataColumnHeaders Object ( [dataType] => INTEGER [columnType] => METRIC [name] => ga:pageviews ) [5] => Google_GaDataColumnHeaders Object ( [dataType] => TIME [columnType] => METRIC [name] => ga:timeOnPage ) ) [selfLink] => https://www.googleapis.com/analytics/v3/data/ga?ids=ga:XXXXXX&metrics=ga:visits,ga:bounces,ga:visitors,ga:newVisits,ga:pageviews,ga:timeOnPage&filters=ga:hasSocialSourceReferral%3D%3DYes&start-date=2013-05-05&end-date=2013-06-04 )