Leverage PHP8's get_debug_type()

Author: nicolas-grekas

Pipes/AbstractPipes.php

@@ -103,7 +103,7 @@ protected function write(): ?array
             } elseif (!isset($this->inputBuffer[0])) {
                 if (!\is_string($input)) {
                     if (!is_scalar($input)) {
-                        throw new InvalidArgumentException(sprintf('%s yielded a value of type "%s", but only scalars and stream resources are supported.', \get_class($this->input), \gettype($input)));
+                        throw new InvalidArgumentException(sprintf('%s yielded a value of type "%s", but only scalars and stream resources are supported.', get_debug_type($this->input), get_debug_type($input)));
                     }
                     $input = (string) $input;
                 }

composer.json

@@ -16,7 +16,8 @@
         }
     ],
     "require": {
-        "php": "^7.2.5"
+        "php": "^7.2.5",
+        "symfony/polyfill-php80": "^1.15"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Process\\": "" },