public static function getStudyChunk($studyName)
{
//Provide complete data for a single study:
$sId = DataProvider::getStudyId($studyName);
//The representation that will be returned:
return array('study' => DataProvider::getStudy($studyName), 'families' => DataProvider::getFamilies($sId), 'regions' => DataProvider::getRegions($studyName), 'regionLanguages' => DataProvider::getRegionLanguages($studyName), 'languages' => DataProvider::getLanguages($studyName), 'words' => DataProvider::getWords($studyName), 'meaningGroupMembers' => DataProvider::getMeaningGroupMembers($sId), 'transcriptions' => DataProvider::getTranscriptions($studyName), 'defaults' => DataProvider::getDefaults($sId));
}
$languages = array();
foreach (explode(',', $_GET['languages']) as $lIx) {
$languages[$lIx] = true;
}
foreach (DataProvider::getLanguages($_GET['study']) as $l) {
$lIx = $l['LanguageIx'];
if (array_key_exists($lIx, $languages)) {
$languages[$lIx] = $l;
}
}
//Words to work with:
$words = array();
foreach (explode(',', $_GET['words']) as $wIx) {
$words[$wIx] = true;
}
foreach (DataProvider::getWords($_GET['study']) as $w) {
$wIx = $w['IxElicitation'] . $w['IxMorphologicalInstance'];
if (array_key_exists($wIx, $words)) {
$words[$wIx] = $w;
}
}
//Transcriptions to work with:
$transcriptions = array();
foreach (DataProvider::getTranscriptions($_GET['study']) as $t) {
$lIx = $t['LanguageIx'];
if (array_key_exists($lIx, $languages)) {
$wIx = $t['IxElicitation'] . $t['IxMorphologicalInstance'];
if (array_key_exists($wIx, $words)) {
$tIx = $lIx . '-' . $wIx;
if (array_key_exists($tIx, $transcriptions)) {
array_push($transcriptions[$tIx], $t);
