librenms/includes/port-descr-parser.inc.php

<?php

// Parser should populate $port_ifAlias array with type, descr, circuit, speed and notes
unset($port_ifAlias);

echo $this_port['ifAlias'];

$split = preg_split('/[:\[\]{}()]/', $this_port['ifAlias']);
$type = isset($split[0]) ? trim($split[0]) : null;
$descr = isset($split[1]) ? trim($split[1]) : null;

$circuit = trim(preg_split('/[{}]/', $this_port['ifAlias'])[1] ?? '');
$notes = trim(preg_split('/[()]/', $this_port['ifAlias'])[1] ?? '');
$speed = trim(preg_split('/[\[\]]/', $this_port['ifAlias'])[1] ?? '');

if ($type && $descr) {
    $type = strtolower($type);
    $port_ifAlias['type'] = $type;
    $port_ifAlias['descr'] = $descr;
    $port_ifAlias['circuit'] = $circuit;
    $port_ifAlias['speed'] = substr($speed, 0, 32);
    $port_ifAlias['notes'] = $notes;

    d_echo($port_ifAlias);
}

unset($type, $descr, $circuit, $notes, $speed, $split);