/**
* @param array $argv
* @param string|null $outputPath
*
* @throws Exception\RuntimeException
*/
public static function startDaemon(array $argv, $outputPath = null)
{
// This part purges the file descriptors of the daemon.
// Caveat : it may contain "Bashisms", for example if a FD is >= 10.
$fdPurge = implode(array_map(function ($fd) {
return ' ' . intval($fd) . '>&-';
}, IdentificationHelper::getMyFileDescriptors(false)));
$command = implode(' ', array_map('escapeshellarg', $argv));
system($command . ' 0</dev/null 1' . ($outputPath !== null ? '>>' . escapeshellarg($outputPath) : '>/dev/null') . ' 2>&1' . $fdPurge . ' &');
}
