--- /dev/null
+--TEST--
+php_strip_whitespace() and output buffer
+--SKIPIF--
+<?php if( substr(PHP_OS, 0, 3) != "WIN") die('skip Windows only test');?>
+--INI--
+log_errors_max_len=4096
+--FILE--
+<?php
+$file = str_repeat("A", PHP_MAXPATHLEN - strlen(__DIR__ . DIRECTORY_SEPARATOR . __FILE__));
+
+var_dump(php_strip_whitespace($file));
+var_dump(ob_get_contents());
+
+?>
+===DONE===
+--EXPECTF--
+Warning: php_strip_whitespace(%s): failed to open stream: No such file or directory in %s on line %d
+string(0) ""
+bool(false)
+===DONE===