CODEWITHSUNDEEP
phpgoogle-api
Sushi
Sushi

Reputation: 676

How to get only the result value when using google currency api with php?

I'm using the "new" google currency calculator, and instead of the precedent version, now we have a form, with dropdown menus..etc, what i need is just to get the result value.

This is my simple php function :

    // GOOGLE CURRENCY CONVERTER API
function converter_currency($amount, $from){
    $result = file_get_contents('https://www.google.com/finance/converter?a='.$amount.'&from='.$from.'&to=USD');

    print_r ($result);
    // echo gettype($result); <== said that it's a string
}
  converter_currency(5, 'EUR'); //converts 5euros to USD

That returns a form ..ect with the result : 5 EUR = 5.4050 USD How to get only : 5.4050 ?

Thank you.

Upvotes: 1

Views: 770

Answers (2)

Scholtz
Scholtz

Reputation: 3746

function converter_currency($amount, $from, $to="USD"){
    $result = file_get_contents('https://www.google.com/finance/converter?a='.$amount.'&from='.$from.'&to='.$to);
    if($doc = @DomDocument::loadhtml($result)){
        if($xpath=new DomXpath($doc)){
            if($node = $xpath->query("//span")->item(0)){
                $result = $node->nodeValue;
                if($pos = strpos($result," ")){
                    return substr($result,0,$pos);
                }
            }
        }
    }
    return "Error occured";
}

Upvotes: 3

Federkun
Federkun

Reputation: 36964

function converter_currency($amount, $from){
    $result = file_get_contents('https://www.google.com/finance/converter?a='.$amount.'&from='.$from.'&to=USD');
    preg_match('#\<span class=bld\>(.+?)\<\/span\>#s', $result, $finalData);
    return $finalData[1];
}

echo converter_currency(5, 'EUR'); // 5.4125 USD

list($amount, $currency) = explode(' ', converter_currency(5, 'EUR'));
var_dump($amount, $currency); // string(6) "5.4125" string(3) "USD"

Upvotes: 1

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