The php-mechanical-turk from jackbot

Error: "Notice: Undefined variable: defaults in \MechanicalTurk.class.php on line 62", with solution

There is a typo in code, which is giving this error.

Line #62:
$this->generateQualificationRequirement($defaults['qualification_requirement'])

Replace $defaults to $this->defaults

Example not working

I tried the example with my access keys, but there seem to be several errors. Some things I had to fix:
[1] You didn't urlencode the "question", which results in a bug if it includes whitespaces.
[2](and following) You forgot the brackets () around the ternary if-then-else operator. Therefore these fields are missing in the request..

Now at least the basic example works..

[1] https://github.com/jackbot/PHP-Mechanical-Turk/blob/master/MechanicalTurk.class.php#L59
[2] https://github.com/jackbot/PHP-Mechanical-Turk/blob/master/MechanicalTurk.class.php#L55

Now the createHit function looks like this:

`
public function createHit($question, $params = null) {

    $ts = $this->Unix2UTC(time());
    $url = $this->startUrl();
    $url .= '&Operation=CreateHIT';
    $url .= '&Signature=' . $this->generateSignature($this->MTURK_SERVICE, 'CreateHIT', $ts);
    $url .= '&Timestamp=' . $ts;
    $url .= '&Title=' . (isset($params['title']) ? urlencode($params['title']) : urlencode($this->defaults['title']));
    $url .= '&Description=' . (isset($params['description']) ? urlencode($params['description']) : urlencode($this->defaults['description']));
    $url .= '&Reward.1.Amount=' . (isset($params['reward']) ? urlencode($params['reward']) : $this->defaults['reward']);
    $url .= '&Reward.1.CurrencyCode=' . (isset($params['reward_currency']) ? urlencode($params['reward_currency']) : $this->defaults['reward_currency']);
    $url .= '&Question=' . (($question != null) ? urlencode($question) : urlencode($defaults['question']));
    $url .= '&AssignmentDurationInSeconds=' . $this->defaults['duration'];
    $url .= '&AutoApprovalDelayInSeconds=' . $this->defaults['auto_approve'];
    $url .= isset($params['qualification_requirement']) ? $this->generateQualificationRequirement($params['qualification_requirement']) : $this->generateQualificationRequirement($this->defaults['qualification_requirement']);
    $url .= '&LifetimeInSeconds=' . (isset($params['lifetime']) ? urlencode($params['lifetime']) : $this->defaults['lifetime']);
    $url .= '&Keywords=' . (isset($params['keywords']) ? urlencode(implode(', ', $params['keywords'])) : urlencode(implode(', ', $this->defaults['keywords'])));
    if (isset($params['requester_annotation'])) {
        $url .= '&RequesterAnnotation=' . $params['requester_annotation'];
    } else if (isset($defaults['requester_annotation'])) {
        $url .= '&RequesterAnnotation=' . $defaults['requester_annotation'];
    }

    $response = file_get_contents($url);
    return $response;
}

open source license?

Is it possible to specify the license this code is using? It'll help me decide whether to contribute to this codebase or start writing my own.

Either Apache or MIT license should be a good choice for potential business adopters. Thanks.

jackbot / php-mechanical-turk Goto Github PK

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Error: "Notice: Undefined variable: defaults in \MechanicalTurk.class.php on line 62", with solution

Example not working

open source license?

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