Add test for bug #78569

Author: cmb69

ext/standard/tests/general_functions/bug78569.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Bug #78569 (proc_open() may require extra quoting)
+--SKIPIF--
+<?php
+if (PHP_OS_FAMILY !== 'Windows') die('skip this test is for Windows platforms only');
+?>
+--XFAIL--
+Before PHP 8.0.0 we would need to add extra quotes.
+--FILE--
+<?php
+// We are searching for the following line:
+// FIND ME
+$descriptorspec = array(['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']);
+$cmd = sprintf('"findstr" "/b" "/c:// FIND ME" "%s" 2>&1', __FILE__);
+$proc = proc_open($cmd, $descriptorspec, $pipes);
+fpassthru($pipes[1]);
+proc_close($proc);
+?>
+--EXPECT--
+// FIND ME