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User: safarimaris (1000)
PHP: 7.2.34-54+ubuntu22.04.1+deb.sury.org+1
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$ pwd: /opt/php-5.6.40/Zend/tests/
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File: //opt/php-5.6.40/Zend/tests/bug33558.phpt
--TEST--
Bug #33558 (warning with nested calls to functions returning by reference)
--INI--
error_reporting=4095
--FILE--
<?php
function & foo() {
    $var = 'ok';
    return $var;
}

function & bar() {
    return foo();
}

$a =& bar();
echo "$a\n";
?>
--EXPECT--
ok
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