--- /dev/null
+--TEST--
+stream_filter_register() and invalid arguments
+--FILE--
+<?php
+
+var_dump(stream_filter_register("", ""));
+var_dump(stream_filter_register("test", ""));
+var_dump(stream_filter_register("", "test"));
+var_dump(stream_filter_register("------", "nonexistentclass"));
+var_dump(stream_filter_register(array(), "aa"));
+var_dump(stream_filter_register("", array()));
+
+echo "Done\n";
+?>
+--EXPECTF--
+Warning: stream_filter_register(): Filter name cannot be empty in %s on line %d
+bool(false)
+
+Warning: stream_filter_register(): Class name cannot be empty in %s on line %d
+bool(false)
+
+Warning: stream_filter_register(): Filter name cannot be empty in %s on line %d
+bool(false)
+bool(true)
+
+Warning: stream_filter_register() expects parameter 1 to be string, array given in %s on line %d
+bool(false)
+
+Warning: stream_filter_register() expects parameter 2 to be string, array given in %s on line %d
+bool(false)
+Done
+--UEXPECTF--
+Warning: stream_filter_register(): Filter name cannot be empty in %s on line %d
+bool(false)
+
+Warning: stream_filter_register(): Class name cannot be empty in %s on line %d
+bool(false)
+
+Warning: stream_filter_register(): Filter name cannot be empty in %s on line %d
+bool(false)
+bool(true)
+
+Warning: stream_filter_register() expects parameter 1 to be binary string, array given in %s on line %d
+bool(false)
+
+Warning: stream_filter_register() expects parameter 2 to be binary string, array given in %s on line %d
+bool(false)
+Done