file_get_contents('php://input') always returns an empty string

Question

I\'m building a PHP RESTful API, following this tutorial. The following function, which should return the data sent with the request when the \'put\' method is used, returns

Answer 1

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function getPostObject() {
    $str = file_get_contents('php://input');
    $std = json_decode($str);
    if ($std === null) {
        $std = new stdClass();
        $array = explode('&', $str);
        foreach ($array as $parm) {
            $parts = explode('=', $parm);
            if(sizeof($parts) != 2){
                continue;
            }
            $key = $parts[0];
            $value = $parts[1];
            if ($key === NULL) {
                continue;
            }
            if (is_string($key)) {
                $key = urldecode($key);
            } else {
                continue;
            }
            if (is_bool($value)) {
                $value = boolval($value);
            } else if (is_numeric($value)) {
                $value += 0;
            } else if (is_string($value)) {
                if (empty($value)) {
                    $value = null;
                } else {
                    $lower = strtolower($value);
                    if ($lower === 'true') {
                        $value = true;
                    } else if ($lower === 'false') {
                        $value = false;
                    } else if ($lower === 'null') {
                        $value = null;
                    } else {
                        $value = urldecode($value);
                    }
                }
            } else if (is_array($value)) {
                // value is an array
            } else if (is_object($value)) {
                // value is an object
            }
            $std->$key = $value;
        }
        // length of post array
        //$std->length = sizeof($array);
    }
    return $std;
}