Online PHP editor | refs for heD2Y

<?php //$rawGroups = file('/pat/to/.htgroup'); $rawGroups = [ 'admins: amy bill', 'support: charlie david edward', 'guests: fernando ivonne', ]; $usersByGroup = []; foreach ($rawGroups as $rawGroup) { if (!preg_match('/^\s*(?P<group>[\S]+)\s*:\s*(?P<users>.+)\s*$/', $rawGroup, $matches)) { continue; } $usersByGroup[$matches['group']] = preg_split('/\s+/', $matches['users']); } print_r($usersByGroup);