function handle($args)
{
/*
* If we have received neither a term nor a section, we can't do anything.
*/
if (empty($args['term']) && empty($_GET['section'])) {
json_error('Neither a dictionary term nor a section number have been provided.');
die;
}
/*
* Clean up the term.
*/
$term = filter_var($args['term'], FILTER_SANITIZE_STRING);
/*
* If a section has been specified, then clean that up.
*/
if (isset($_GET['section'])) {
$section = filter_input(INPUT_GET, 'section', FILTER_SANITIZE_STRING);
}
$dict = new Dictionary();
/*
* Get the definitions for the requested term, if a term has been requested.
*/
if (!empty($args['term'])) {
if (isset($section)) {
$dict->section_number = $section;
}
$dict->term = $term;
$dictionary = $dict->define_term();
/*
* If, for whatever reason, this term is not found, return an error.
*/
if ($dictionary === FALSE) {
$response = array('definition' => 'Definition not available.');
} else {
/*
* Uppercase the first letter of the first (quoted) word. We perform this twice because
* some egal codes begin the definition with a quotation mark and some do not. (That is,
* some write '"Whale" is a large sea-going mammal' and some write 'Whale is a large
* sea-going mammal.")
*/
if (preg_match('/[A-Za-z]/', $dictionary->definition[0]) === 1) {
$dictionary->definition[0] = strtoupper($dictionary->definition[0]);
} elseif (preg_match('/[A-Za-z]/', $dictionary->definition[1]) === 1) {
$dictionary->definition[1] = strtoupper($dictionary->definition[1]);
}
/*
* If the request contains a specific list of fields to be returned.
*/
if (isset($_GET['fields'])) {
/*
* Turn that list into an array.
*/
$returned_fields = explode(',', urldecode($_GET['fields']));
foreach ($returned_fields as &$field) {
$field = trim($field);
}
/*
* It's essential to unset $field at the conclusion of the prior loop.
*/
unset($field);
foreach ($dictionary as &$term) {
/*
* Step through our response fields and eliminate those that aren't in the
* requested list.
*/
foreach ($term as $field => &$value) {
if (in_array($field, $returned_fields) === FALSE) {
unset($term->{$field});
}
}
}
}
/*
* If a section has been specified, then simplify this response by returning just a
* single definition.
*/
if (isset($section)) {
$dictionary = $dictionary->{0};
}
/*
* Rename this variable to use the expected name.
*/
$response = $dictionary;
}
// end else if term is found
} elseif (!empty($_GET['section'])) {
/*
* Get the structural ID of the container for this section.
*/
$law = new Law();
$law->section_number = $section;
$law->config = FALSE;
$result = $law->get_law();
if ($result == FALSE) {
$response = array('terms' => 'Term list not available.');
} else {
/*
* Now get the term list.
*/
$dict->section_id = $law->section_id;
$dict->structure_id = $law->structure_id;
$response = $dict->term_list();
if ($response == FALSE) {
$response = array('terms' => 'Term list not available.');
}
}
}
// end elseif (!empty($args['section']))
$this->render($response, 'OK', $_REQUEST['callback']);
}