Revert "Remove code that was needed back when phpunit/php-code-coverage supported PHPDBG as a provider of code coverage data"

This reverts commit 55d9e26.

Author: sebastianbergmann

src/Util/PHP/AbstractPhpProcess.php

@@ -10,6 +10,7 @@
 namespace PHPUnit\Util\PHP;
 
 use const PHP_BINARY;
+use const PHP_SAPI;
 use function array_keys;
 use function array_merge;
 use function assert;
@@ -182,6 +183,14 @@ public function getCommand(array $settings, ?string $file = null): array
 
         $command = array_merge($command, $this->settingsToParameters($settings));
 
+        if (PHP_SAPI === 'phpdbg') {
+            $command[] = '-qrr';
+
+            if (!$file) {
+                $command[] = 's=';
+            }
+        }
+
         if ($file) {
             $command[] = '-f';
             $command[] = $file;