2 ,
"L1Location" => 'USA' ,
"L2ID" => 3 ,
"L2Location" => 'New York',
"L3ID" => 4 ,
"L3Location" => 'Manhanttan',
) ,
Array (
"L1ID" => 2 ,
"L1Location" => 'USA' ,
"L2ID" => 8 ,
"L2Location" => 'New Jersey' ,
"L3ID" => 7 ,
"L3Location" => 'Bergen County',
) ,
Array (
"L1ID" => 5 ,
"L1Location" => 'Canada' ,
"L2ID" => 12,
"L2Location" => 'Ontario' ,
"L3ID" => 50,
"L3Location" => 'Toronto' ,
) ,
Array (
"L1ID" => 6 ,
"L1Location" => 'South Korea',
"L2ID" => 22,
"L2Location" => 'Gyungido' ,
"L3ID" => 25,
"L3Location" => 'Buchon',
) ,
);
$countries = array();
$states = array();
$cities = array();
foreach ($locations as $location) {
if(!array_key_exists($location['L1ID'], $countries))
$countries[$location['L1ID']] = array(
'name' => $location['L1Location'],
'states' => array(),
);
if(!array_key_exists($location['L2ID'], $countries[$location['L1ID']]['states'])){
$countries[$location['L1ID']]['states'][$location['L2ID']] = array(
'name' => $location['L2Location'],
'cities' => array(),
);
}
if(!array_key_exists($location['L3ID'], $countries[$location['L1ID']]['states'][$location['L2ID']])){
$countries[$location['L1ID']]['states'][$location['L2ID']]['cities'][$location['L3ID']] = $location['L3Location'];
}
}
// Generate $countries box
foreach ($countries as $key => $country) {
echo ($key.'
'."\n");
echo ''."\n";
// Generate $states box
foreach ($country['states'] as $key => $state) {
echo ($key.'
'."\n");
echo ''."\n";
// Generate $city box
foreach ($state['cities'] as $key => $city) {
echo ($key.'
'."\n");
echo ''."\n";
}
}
}
?>