Merge branch '5.4' into 6.4

* 5.4:
  create_new_console option only on Windows

Author: javiereguiluz

components/process.rst

@@ -108,6 +108,12 @@ You can configure the options passed to the ``other_options`` argument of
     // this option allows a subprocess to continue running after the main script exited
     $process->setOptions(['create_new_console' => true]);
 
+.. caution::
+
+    Most of the options defined by ``proc_open()`` (such as ``create_new_console``
+    and ``suppress_errors``) are only supported on Windows operating systems.
+    Check out the `PHP documentation for proc_open()`_ before using them.
+
 Using Features From the OS Shell
 --------------------------------
 
@@ -596,3 +602,4 @@ whether `TTY`_ is supported on the current operating system::
 .. _`PHP streams`: https://www.php.net/manual/en/book.stream.php
 .. _`output_buffering`: https://www.php.net/manual/en/outcontrol.configuration.php
 .. _`TTY`: https://en.wikipedia.org/wiki/Tty_(unix)
+.. _`PHP documentation for proc_open()`: https://www.php.net/manual/en/function.proc-open.php