3v4l.org

run code in 300+ PHP versions simultaneously
<?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);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [admins] => Array ( [0] => amy [1] => bill ) [support] => Array ( [0] => charlie [1] => david [2] => edward ) [guests] => Array ( [0] => fernando [1] => ivonne ) )
preferences:
131.45 ms | 1304 KiB | 4 Q