Checking Response from php curl_exec()?

Question

I have the following cUrl function call that is returning the response code.

$result = curl_exec($ch);

I need to check the $result for the following response property.

   <isValidPost>true</isValidPost>

I could always parse through and check for that exact string, but is there an alternative way to check this?

lonesomeday · Accepted Answer · 2011-03-03 22:39:55Z

3

Presuming that the API is set in stone (i.e. won't change at a moment's notice), in this case it's probably safe to a simple string search

if (false !== strpos($result, '<isValidPost>true</isValidPost>')) {

However, to do this in a more reliable way, you may want to do DOM parsing:

$dom = new DOMDocument;
$dom->parseXML($result);
$isValidPostTag = $dom->getElementsByTagName('isValidPost')->item(0);
if ($isValidPostTag) {
    $isValidPost = $isValidPostTag->nodeValue == 'true';
} else {
    $isValidPost = false;
}

answered Mar 3, 2011 at 22:39

lonesomeday

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criticus · Accepted Answer · 2011-03-03 22:45:23Z

2

Are you getting XML response? Then parse the XML

$xml = new SimpleXMLElement($result);
if(isset($xml->your_element->isValidPost)){
   //do what you need
}

answered Mar 3, 2011 at 22:45

criticus

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