/**
* Gets the string representation of the instance.
*
* @return string
*/
public function toString()
{
$ret = SysCmdHelper::escapeCmd($this->command);
foreach ($this->args as $arg) {
$ret .= " " . $arg->toString();
}
return $ret;
}
/**
* Is a process running?
*
* Checks if a process is still running.
*
* @param integer $pid Process identifier
*
* @return boolean
*/
public static function isRunning($pid)
{
try {
$result = shell_exec("ps " . SysCmdHelper::escape($pid));
if (count(preg_split("/\n/", $result)) > 2) {
return true;
}
} catch (Exception $e) {
// ignore exception
}
return false;
}
/**
* Gets the string representation of the instance.
*
* @return string
*/
public function toString()
{
$ret = $this->_name ? "-" . SysCmdHelper::escape($this->_name) : null;
if (!TextHelper::isEmpty($this->_value)) {
$value = $this->_value;
if (!$this->_isRaw) {
$value = SysCmdHelper::escape($value);
}
$ret = TextHelper::concat(" ", $ret, $value);
}
return $ret;
}
