How to access items from a debug_backtrace()?
<p>In this shortened example:</p>

<p><code>print_r($foo);</code></p>

<pre><code>Array
(
    [0] =&gt; Array
        (
            [function] =&gt; exception_handler
            [class] =&gt; LP
            [type] =&gt; ::
            [args] =&gt; Array
                (
                    [0] =&gt; Exception Object
                        (
                            [trace:Exception:private] =&gt; Array
                                (
                                    [0] =&gt; Array
                                        (
                                            [args] =&gt; Array
                                                (
                                                    [0] =&gt; 'hello'
                                                    [1] =&gt; 'world'
                                                )
                                        )
                                )
                        )
                )
        )
)   
</code></pre>

<p>How do I access the last item which is "hello".</p>

<p>I am lost after <code>$foo[0]['args'][0]</code></p>
