--TEST--
iconv_strrpos() charset parameter length checks (CVE-2007-4840)
--EXTENSIONS--
iconv
--FILE--
<?php
$a = str_repeat("/", 9000000);
var_dump(iconv_strrpos("a", "b", $a));
?>
--EXPECTF--
Warning: iconv_strrpos(): Encoding parameter exceeds the maximum allowed length of 64 characters in %s on line %d
bool(false)