55     private $env;  variable in Symfony\\Component\\Process\\Process
137 …* @param array|null     $env         The environment variables or null to use the same environment…
144 …public function __construct($commandline, $cwd = null, array $env = null, $input = null, $timeout …  argument
160         if (null !== $env) {
161             $this->setEnv($env);
208         $env = 1 < \func_num_args() ? func_get_arg(1) : null;
209         $this->start($callback, $env);
232         $env = 1 < \func_num_args() ? func_get_arg(1) : null;
234         if (0 !== $this->run($callback, $env)) {
266             $env = func_get_arg(1);
274             $env = null;
293         if (null === $env) {
294             $env = $this->env;
296             if ($this->env) {
297                 $env += $this->env;
302         if (null !== $env && $inheritEnv) {
303             $env += $this->getDefaultEnv();
304         } elseif (null !== $env) {
307             $env = $this->getDefaultEnv();
311             $commandline = $this->prepareWindowsCommandLine($commandline, $env);
325             $envPairs = $env;
328             foreach ($env as $k => $v) {
380         $env = 1 < \func_num_args() ? func_get_arg(1) : null;
383         $process->start($callback, $env);
1117         return $this->env;
1131      * @param array $env The new environment variables
1135     public function setEnv(array $env)  argument
1138         $env = array_filter($env, function ($value) {
1142         $this->env = $env;
1628     private function prepareWindowsCommandLine($cmd, array &$env)  argument
1641             function ($m) use (&$env, &$varCache, &$varCount, $uid) {
1659                 $env[$var] = $value;
1730         $env = [];
1734                 $env[$k] = $v;
1740                 $env[$k] = $v;
1744         return $env;