gistfile1.txt

<?php

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "http://www.reddit.com/r/philadelphia/.json");

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$output = curl_exec($ch);

curl_close($ch);


if($output = json_decode($output)){

        $children = $output->data->children;

        foreach($children as $child){

                // if post is a question (contains a "?" character)
                if(stristr($child->data->title, "?") !== false){

                        echo "(" . $child->data->id . ") " . $child->data->title . (php_sapi_name() == "cli" ? PHP_EOL : "<br>");

                }

        }

}