/**
*
* A better version of exec()
* @param string $strCommand The command to run
* @param array $arrOutput An array where you'll get the output
* @param array $arrError An array where you'll get the errors
* @param integer $intRetVal The return value of the command
* @param boolean $blnInBackground Whether to launch the command in background
* @param array $env Associative array with environment variables
* @param string $cwd The directory to switch to before running the command
* @param boolean $blnLogErrors Whether to log the errors in the database
*
* @return boolean
*/
public static function Exec($strCommand, &$arrOutput, &$arrError, &$intRetVal, $blnInBackground = false, $env = null, $cwd = null, $blnLogErrors = true)
{
$process = proc_open($strCommand . ($blnInBackground ? ' &' : ''), array(1 => array("pipe", 'w'), 2 => array("pipe", 'w')), $pipes, $cwd, $env);
if (!$blnInBackground) {
if (is_resource($process)) {
$arrOutput = explode("\n", stream_get_contents($pipes[1]));
fclose($pipes[1]);
$arrError = explode("\n", stream_get_contents($pipes[2]));
fclose($pipes[2]);
// It is important that you close any pipes before calling
// proc_close in order to avoid a deadlock
$intRetVal = proc_close($process);
if ($intRetVal != 0 && $blnLogErrors) {
NarroLogger::LogError(sprintf('Running "%s" in "%s" returned %d', $strCommand, is_null($cwd) ? getcwd() : $cwd, $intRetVal));
foreach ($arrOutput as $strOutput) {
NarroLogger::LogInfo($strOutput);
}
foreach ($arrError as $strOutput) {
NarroLogger::LogError($strOutput);
}
return false;
}
NarroLogger::LogDebug(sprintf('Running "%s" in "%s"', $strCommand, is_null($cwd) ? getcwd() : $cwd));
return true;
} else {
return false;
}
} else {
if (is_resource($process)) {
return true;
} else {
return false;
}
}
}
