}
} elseif ($structSearchType === 'exact') {
// exact search
// we will do this by inchi
$results_temp = array();
if ($num_react + $num_prod > 0) {
for ($i = 0; $i < $num_react; $i++) {
$results_temp[] = exact_search($molecules[$i], 'rel_exp_structure_react', $results_id, 'exp_id');
}
for ($i = $num_react; $i < $num_react + $num_prod; $i++) {
$results_temp[] = exact_search($molecules[$i], 'rel_exp_structure_prod', $results_id, 'exp_id');
}
} elseif (count($molecules) > 0) {
for ($i = 0; $i < count($molecules); $i++) {
$x = exact_search($molecules[$i], 'rel_exp_structure_react', $results_id, 'exp_id');
$y = exact_search($molecules[$i], 'rel_exp_structure_prod', $results_id, 'exp_id');
$results_temp[] = array_merge($x, $y);
}
}
} elseif ($structSearchType === 'similarity') {
// similarity search
$results_temp = array();
if ($num_react + $num_prod > 0) {
for ($i = 0; $i < $num_react; $i++) {
$results_temp[] = similarity_search($molecules[$i], 'rel_exp_structure_react', $results_id, $tanimoto, 'exp_id');
}
for ($i = $num_react; $i < $num_react + $num_prod; $i++) {
$results_temp[] = similarity_search($molecules[$i], 'rel_exp_structure_prod', $results_id, $tanimoto, 'exp_id');
}
} elseif (count($molecules) > 0) {
for ($i = 0; $i < count($molecules); $i++) {
$results_id[] = $get_id['id'];
}
// This counts the number of results - and if there wasn't any it gives them a little message explaining that
$count = count($results_id);
if ($count > 0) {
// then, if necessary, do molecule-based search
if (!empty($mol)) {
if ($structSearchType === 'substructure') {
$results_temp = array();
$results_temp[] = substruc_search($mol, 'compound_registry', $results_id, 'id');
} else {
if ($structSearchType === 'exact') {
// exact search
// we will do this by inchi
$results_temp = array();
$results_temp[] = exact_search($mol, 'compound_registry', $results_id, 'id');
} else {
if ($structSearchType === 'similarity') {
// similarity search
$results_temp = array();
$results_temp[] = similarity_search($mol, 'compound_registry', $results_id, $tanimoto, 'id');
}
}
}
// where we have more than one results set, we treat the query as AND. So we find the intersection of the different
// results arrays and return that as result.
if (count($results_temp) > 1) {
$results_id = call_user_func_array('array_intersect', $results_temp);
} else {
$results_id = array_intersect($results_id, $results_temp[0]);
}