Fix #27865; don't dup STDIN, STDOUT or STDERR when running under CLI.

NEWS

@@ -16,6 +16,7 @@ PHP                                                                        NEWS
   (Dmitry)
 - Fixed bug #27997 (SPL: Crash with getInnerIterator()). (Marcus)
 - Fixed bug #27928 (sqlite incorrectly handles invalid filenames). (Ilia)
+- Fixed bug #27865 (STDIN, STDOUT, STDERR are dup()d under CLI). (Wez)
 - Fixed bug #27821 (xml_parse() segfaults when xml_set_object() is called from
   class method). (Andi, Rob)
 - Fixed bug #27742 (WDSL SOAP Parsing Schema bug). (Dmitry)

ext/standard/php_fopen_wrapper.c

@@ -166,11 +166,11 @@ php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, ch
 	}  
 	
 	if (!strcasecmp(path, "stdin")) {
-		fd = dup(STDIN_FILENO);
+		fd = !strcmp(sapi_module.name, "cli") ? STDIN_FILENO : dup(STDIN_FILENO);
 	} else if (!strcasecmp(path, "stdout")) {
-		fd = dup(STDOUT_FILENO);
+		fd = !strcmp(sapi_module.name, "cli") ? STDOUT_FILENO : dup(STDOUT_FILENO);
 	} else if (!strcasecmp(path, "stderr")) {
-		fd = dup(STDERR_FILENO);
+		fd = !strcmp(sapi_module.name, "cli") ? STDERR_FILENO : dup(STDERR_FILENO);
 	} else if (!strncasecmp(path, "filter/", 7)) {
 		/* Save time/memory when chain isn't specified */
 		if (strchr(mode, 'r') || strchr(mode, '+')) {