Online PHP editor | refs for SoWKT

<?php $str = 'lo: 00:00:00:00:00:00 enp0s25: 00:21:cc:d4:2a:23 wlp3s0: 84:3a:4b:03:3c:3a wwp0s20u4: 7a:e3:2a:de:66:09 br-a02a0801833f: 02:42:75:b4:8b:58 docker0: 02:42:cb:f0:5f:0d'; preg_match_all('/([a-z0-9-]+):\s+((?:[0-9a-f]{2}:){5}[0-9a-f]{2})/i', $str, $matches); $output = array_combine($matches[1], $matches[2]); echo json_encode($output, JSON_PRETTY_PRINT);