--TEST--
testing the behavior of string offsets
--FILE--
<?php
$string = "foobar";
const FOO = "BAR"[0];
var_dump(FOO);
var_dump($string[0]);
var_dump($string[1]);
var_dump(isset($string[0]));
var_dump(isset($string[0][0]));
var_dump($string["foo"]);
var_dump(isset($string["foo"]["bar"]));

?>
--EXPECTF--
string(1) "B"
string(1) "f"
string(1) "o"
bool(true)
bool(true)

Warning: Illegal string offset "foo" in %s on line %d
string(1) "f"
bool(false)