<?php

function getPopularItems() {
    $MARKET_URL = "http://steamcommunity.com/market/";
    $DELIM_DROP = 'market_listing_table_showmore';
    $PRICE_PATTERN = '@Starting at(?:.*)&#36;(.*)\</span\>@isU';
    $ITEM_PATTERN = '@\<span id\="result_(?:.*)_name" class\="market_listing_item_name" style\="(?:.*);"\>(.*)\</span\>@isU';
    $raw = "";
    $handle = @fopen($MARKET_URL, "r");
    if (!$handle) {
        trigger_error("FOPEN - Connection Error. ");
        return false;
    } else {
        while (!feof($handle)) {
            $zeile = fgets($handle);
            if (strpos($zeile, $DELIM_DROP)) {
                break;
            }
            $raw.=$zeile;
        }
        fclose($handle);
    }
    $result = preg_match_all($PRICE_PATTERN, $raw, $subpattern);
    if (!$result) {
        trigger_error("PRICE_PATTERN failure");
        return false;
    } else {
        $prices = array_map("htmlentities", array_map("trim", $subpattern[1]));
    }
    $result = preg_match_all($ITEM_PATTERN, $raw, $subpattern);
    if (!$result) {
        trigger_error("ITEM_PATTERN failure");
        return false;
    } elseif (count($subpattern[1]) != count($prices)) {
        trigger_error("ITEM_PATTERN and PRICE_PATTERN-Results does not match");
        return false;
    } else {
        $names = array_map("htmlentities", array_map("trim", $subpattern[1]));
    }
    return array_map(null, $names, $prices);
}

$Items = getPopularItems();
if ($Items) {
    foreach ($Items as $item) {
        // Name
        echo $item[0];

        echo " - ";


        // Preis
        echo $item[1];


        echo "<br>";
    }
}
?>