Online PHP editor | output for 8Pgsp

<?php function system_time_zones($blank = NULL, $grouped = FALSE) { $zonelist = timezone_identifiers_list(); $zones = $blank ? ['' => '- None selected -'] : []; foreach ($zonelist as $zone) { // Because many time zones exist in PHP only for backward compatibility // reasons and should not be used, the list is filtered by a regular // expression. if (preg_match('!^((Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)/|UTC$)!', $zone)) { $zones[$zone] = str_replace('_', ' ', $zone); } } // Sort the translated time zones alphabetically. asort($zones); if ($grouped) { $grouped_zones = []; foreach ($zones as $key => $value) { $split = explode('/', $value); $city = array_pop($split); $region = array_shift($split); if (!empty($region)) { $grouped_zones[$region][$key] = empty($split) ? $city : $city . ' (' . join('/', $split) . ')'; } else { $grouped_zones[$key] = $value; } } foreach ($grouped_zones as $key => $value) { if (is_array($grouped_zones[$key])) { asort($grouped_zones[$key]); } } $zones = $grouped_zones; } return $zones; } $ungrouped_count = count(system_time_zones()); $grouped_result = system_time_zones(NULL, TRUE); $grouped_count = 0; array_walk_recursive($grouped_result, function () use (&$grouped_count) { $grouped_count++; }); print $grouped_count . ' '. $ungrouped_count;