php-src/Zend/tests/const_dereference_001.phpt

--TEST--
Const array deference
--FILE--
<?php
error_reporting(E_ALL);

var_dump(array(1, 2, 3, 4,) [3]);
var_dump(array(1, 2, 3, 4,) ['foo']);
var_dump(array(array(1,2,3), array(4, 5, 6))[1][2]);

foreach (array(array(1, 2, 3))[0] as $var) {
     echo $var;
}
?>
--EXPECTF--
int(4)

Warning: Undefined array key "foo" in %s on line %d
NULL
int(6)
123