function runChildProcesses(Config $config, OutputInterface $output, array $toProcess)
{
$error = false;
$files = [];
$groupSize = intval(count($toProcess) / $config->getProcessCount());
for ($i = 0; $i < $config->getProcessCount(); ++$i) {
$group = $i == $config->getProcessCount() - 1 ? array_slice($toProcess, $groupSize * $i) : array_slice($toProcess, $groupSize * $i, $groupSize);
file_put_contents("scan.tmp.{$i}", implode("\n", $group));
$cmd = escapeshellarg($GLOBALS['argv'][0]);
$cmdLine = "php -d memory_limit=1G {$cmd} -a -s ";
if ($config->getOutputFile()) {
$outputFileName = $this->getMultipartFileName($config, $i);
$cmdLine .= " -o " . escapeshellarg($outputFileName) . " ";
}
if ($config->getOutputLevel() == 1) {
$cmdLine .= " -v ";
}
if ($config->getOutputLevel() == 2) {
$cmdLine .= " -v -v ";
}
$cmdLine .= escapeshellarg($config->getConfigFileName()) . " " . escapeshellarg("scan.tmp.{$i}");
$output->outputExtraVerbose($cmdLine . "\n");
$file = popen($cmdLine, "r");
$files[] = $file;
}
while (count($files) > 0) {
$readFile = $files;
$empty1 = $empty2 = null;
$count = stream_select($readFile, $empty1, $empty2, 5);
if ($count > 0) {
foreach ($readFile as $index => $file) {
echo fread($file, 1000);
if (feof($file)) {
unset($files[array_search($file, $files)]);
if (!$error) {
$error = pclose($file) == 0;
}
$output->outputExtraVerbose("Child process completed\n");
}
}
} else {
$output->output("T", "Timed out waiting for next file to scan");
}
}
for ($i = 0; $i < $config->getProcessCount(); ++$i) {
unlink("scan.tmp.{$i}");
}
return $error ? 1 : 0;
}
