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<?php
namespace gipfl\LinuxHealth;
class Network
{
public static function getInterfaceCounters($procFile = '/proc/net/dev')
{
// Header looks like this:
// Inter-| Receive | Transmit
// face |bytes packets errs drop fifo frame compressed multicast|bytes packets
// (...from above line) errs drop fifo colls carrier compressed
$lines = \file($procFile, FILE_IGNORE_NEW_LINES);
\array_shift($lines);
$headers = preg_split('/\|/', array_shift($lines));
$rxHeaders = preg_split('/\s+/', $headers[1]);
$txHeaders = preg_split('/\s+/', $headers[2]);
$headers = [];
foreach ($rxHeaders as $rx) {
$headers[] = 'rx' . ucfirst($rx);
}
foreach ($txHeaders as $tx) {
$headers[] = 'tx' . ucfirst($tx);
}
$interfaces = [];
foreach ($lines as $line) {
$parts = preg_split('/\s+|\|/', trim($line));
$ifName = rtrim(array_shift($parts), ':');
$interfaces[$ifName] = (object) array_combine($headers, $parts);
}
return $interfaces;
}
}
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