<?php

/**

* Created by PhpStorm.

* User: Farzan

* Date: 9/4/2015

* Time: 5:34 PM

*/

header("Access-Control-Allow-Origin: *");

include 'assets\lib\wa_wrapper\WolframAlphaEngine.php';

$response = 'Nothing here';

$appID = 'API-CODE-GOES-HERE';

$qArgs = array();

if (isset($_GET['str'])) {

// echo json_encode($_GET['str']);

$engine = new WolframAlphaEngine($appID);

$response = $engine->getResults($_GET['str'], $qArgs);

$ans = array();

//echo json_encode($response);

//the if to see if the request suceeded:

if ($response->attributes['success']) {

if (count($response->getPods()) > 0) {

foreach ($response->getPods() as $pod) {

array_push($ans, $pod->attributes['title']);

// each pod can contain multiple sub pods but must have at least one

foreach ($pod->getSubpods() as $subpod) {

// if format is an image, the subpod will contain a WAImage object

//echo '"'.$subpod->image->attributes['src'].'",';

array_push($ans, $subpod->image->attributes['src']);

}

}

}

echo (json_encode($ans));

//echo '["Input","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP151iac346h8915gfg500001630h0249f5dci06?MSPStoreType=image\/gif&s=7","Result","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP161iac346h8915gfg5000040dah7b92616458h?MSPStoreType=image\/gif&s=7","Number name","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP171iac346h8915gfg500002dd1a8c158947igg?MSPStoreType=image\/gif&s=7","Visual representation","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP181iac346h8915gfg500004dc0e451abib9i2f?MSPStoreType=image\/gif&s=7","Number line","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP191iac346h8915gfg500000ff99bcb7h7bi59i?MSPStoreType=image\/gif&s=7","Illustration","http:\/\/www4b.wolframalpha.com\/Calculate\/MSP\/MSP201iac346h8915gfg500003fii278bae8d87cg?MSPStoreType=image\/gif&s=7"]';

}

} else {

echo json_encode($response);

}