26     private $input;  variable in Symfony\\Component\\Process\\Pipes\\AbstractPipes
33     public function __construct($input)  argument
35         if (\is_resource($input) || $input instanceof \Iterator) {
36             $this->input = $input;
37         } elseif (\is_string($input)) {
38             $this->inputBuffer = $input;
40             $this->inputBuffer = (string) $input;
81         if (\is_resource($this->input)) {
82             stream_set_blocking($this->input, 0);
100         $input = $this->input;
102         if ($input instanceof \Iterator) {
103             if (!$input->valid()) {
104                 $input = null;
105             } elseif (\is_resource($input = $input->current())) {
106                 stream_set_blocking($input, 0);
108                 if (!\is_string($input)) {
109                     if (!is_scalar($input)) {
110 …ut only scalars and stream resources are supported.', \get_class($this->input), \gettype($input)));
112                     $input = (string) $input;
114                 $this->inputBuffer = $input;
115                 $this->input->next();
116                 $input = null;
118                 $input = null;
139             if ($input) {
141                     $data = fread($input, self::CHUNK_SIZE);
153                 if (feof($input)) {
154                     if ($this->input instanceof \Iterator) {
155                         $this->input->next();
157                         $this->input = null;
164 … (!isset($this->inputBuffer[0]) && !($this->input instanceof \Iterator ? $this->input->valid() : $…
165             $this->input = null;