--TEST-- Test stripos() function : usage variations - empty heredoc string for 'haystack' argument --FILE-- getMessage() . "\n"; } var_dump( stripos($empty_string, FALSE) ); var_dump( stripos($empty_string, NULL) ); echo "*** Done ***"; ?> --EXPECT-- *** Testing stripos() function: with heredoc strings *** -- With empty heredoc string -- int(0) stripos(): Argument #3 ($offset) must be contained in argument #1 ($haystack) int(0) int(0) *** Done ***