Question

I have the following php code, post values are taken from a form-

<?php
$file="data.xml";
$test= new SimpleXMLElement($file, null, true);
echo $_POST['question1'];
echo $test->easy->question[0]->key;
echo $test->easy->question[$_POST['question1']]->key;

Output: 0 3

I am able to get the output for echo $_POST['question1']; also for echo $test->easy->question[0]->key[0]; . But not for echo $test->easy->question[$_POST['question1']]->key[0];

What am I doing wrong here ?

Answer 1

echo $test->easy->question[intval($_POST['question1'])]->key;