--TEST--
string offset 001
--FILE--
<?php
// Test positive or null string offsets

function foo($x) {
    var_dump($x);
}

function main() {
    $str = "abc";
    var_dump($str[0]);
    var_dump($str[1]);
    var_dump($str[2]);
    var_dump($str[3]);
    var_dump($str[1][0]);

    foo($str[0]);
    foo($str[1]);
    foo($str[2]);
    foo($str[3]);
    foo($str[1][0]);
}


?>
--EXPECTF--
string(1) "a"
string(1) "b"
string(1) "c"
string(0) ""
string(1) "b"
string(1) "a"
string(1) "b"
string(1) "c"
string(0) ""
string(1) "b"