Fix wrong boolean values

Author: nicolas-grekas

Pipes/AbstractPipes.php

@@ -72,10 +72,10 @@ protected function unblock(): void
         }
 
         foreach ($this->pipes as $pipe) {
-            stream_set_blocking($pipe, 0);
+            stream_set_blocking($pipe, false);
         }
         if (\is_resource($this->input)) {
-            stream_set_blocking($this->input, 0);
+            stream_set_blocking($this->input, false);
         }
 
         $this->blocked = false;
@@ -97,7 +97,7 @@ protected function write(): ?array
             if (!$input->valid()) {
                 $input = null;
             } elseif (\is_resource($input = $input->current())) {
-                stream_set_blocking($input, 0);
+                stream_set_blocking($input, false);
             } elseif (!isset($this->inputBuffer[0])) {
                 if (!\is_string($input)) {
                     if (!\is_scalar($input)) {

Tests/PipeStdinInStdoutStdErrStreamSelect.php

@@ -17,9 +17,9 @@
 $read = [\STDIN];
 $write = [\STDOUT, \STDERR];
 
-stream_set_blocking(\STDIN, 0);
-stream_set_blocking(\STDOUT, 0);
-stream_set_blocking(\STDERR, 0);
+stream_set_blocking(\STDIN, false);
+stream_set_blocking(\STDOUT, false);
+stream_set_blocking(\STDERR, false);
 
 $out = $err = '';
 while ($read || $write) {