code

<?php
# en.php

require_once("phpfastcache/phpfastcache.php");
function getSteamAPIKey() {
	$fileLoc = $_SERVER['DOCUMENT_ROOT'] . '/../passwords.txt';
	if (file_exists($fileLoc)) {
		$fh = fopen($fileLoc, 'r');
		$jsonStr = fgets($fh);
		$arr = json_decode($jsonStr, true);
		$key = $arr['steamAPIKey'];
		fclose($fh);
		return $key;
	} else {
		die('no file found');
	}
}

function getUserStr($steamId) {
	$cache = phpFastCache('files');
	$chatAPIKey = getSteamAPIKey();
	$url = "http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=$chatAPIKey&steamids=$steamId";
	$usersInfoStr = $cache->get($steamId);
	if($usersInfoStr == null) {
		$usersInfoStr = file_get_contents($url);
		$cache->set($steamId, $usersInfoStr, 86400);
	}
	return $usersInfoStr;
}

function getUserInfo($steamId) {
	return getSteamProfileInfoForSteamID(getUserStr($steamId), $steamId);
}

function getItemPrice($itemname) {
	$cache = phpFastCache('files');
	$url = " http://csgobackpack.net/api/GetItemPrice/?id=" . $itemname . "&time=1&key=8rvpzrxnn7s95wd6";
	$itemInfo = $cache->get($itemname);
	if($itemInfo == null) {
		$itemInfo = file_get_contents($url);
		$cache->set($itemname, $itemInfo, 86400);
	}
	return $itemInfo;
}

function getDB() {
	$dbHost = "localhost";
	$db     = "db2";
	$dbUser = "root";

	# Get database password from outside of web root
	$fileLoc = $_SERVER['DOCUMENT_ROOT'] . '/../passwords.txt';
	if (file_exists($fileLoc)) {
		$fh = fopen($fileLoc, 'r');
		$jsonStr = fgets($fh);
		$arr = json_decode($jsonStr, true);
		$dbPass = $arr['default-password'];
		fclose($fh);
	} else {
		die('no file found');
	}

	$db = new PDO("mysql:host=$dbHost;dbname=$db;charset=utf8mb4", $dbUser, "fgFDGH%^%$^FGHFGFG");
	return $db;
}

function getSteamProfileInfoForSteamID($allUsersInfoStr, $steamIDToFind) {
	$allUsersInfo = json_decode($allUsersInfoStr, true);
	$players = $allUsersInfo['response']['players'];

	foreach ($players as $player) {
		$steamID = $player['steamid'];
		$player['personaname'] = htmlentities($player['personaname']);

		if ($steamIDToFind === $steamID) {
			return $player;
		}
	}

	# If the user is not found, then return false
	return false;
}

function getChatSteamProfileInfoForSteamID($allUsersInfoStr, $steamIDToFind) {
	$allUsersInfo = json_decode($allUsersInfoStr, true);
	$players = $allUsersInfo['response']['players'];

	foreach ($players as $player) {
		$steamID = $player['steamid'];
		$player['personaname'] = htmlentities($player['personaname']);

		if ($steamIDToFind === $steamID) {
			$p1 = array();
			$p1["personaname"] = $player["personaname"];
			$p1["avatarfull"] = $player["avatarfull"];
			$p1["profileurl"] = $player["profileurl"];
			$p1["steamid"] = $player["steamid"];
			return $p1;
		}
	}

	# If the user is not found, then return false
	return false;
}

function jsonSuccess($data) {
	echo json_encode(array('success' => 1, 'data' => $data));
}

function jsonErr($errMsg) {
	return json_encode(array('success' => 0, 'errMsg' => $errMsg));
}

function postVar($varName) {
	$var = isset($_POST[$varName]) ? $_POST[$varName] : null;

	if (is_null($var) || strlen($var) === 0) {
		return null;
	} else {
		return $var;
	}
}

function getVar($varName) {
	$var = isset($_GET[$varName]) ? $_GET[$varName] : null;

	if (is_null($var) || strlen($var) === 0) {
		return null;
	} else {
		return $var;
	}
}
?>