public function testJson()
{
$string = '{"session.save_handler": "cluster", "something": "else"}';
$expected = array('session.save_handler' => 'cluster', 'something' => 'else');
$filter = new Filter\Json();
$this->assertEquals($expected, $filter->filter($string));
}
/**
* @see \Zend\Filter\FilterInterface::filter()
* @param mixed $value
* @return mixed Original value, if not a string, or an array of key/value pairs
*/
public function filter($value)
{
if (!is_string($value)) {
return $value;
}
// check if the value provided resembles a query string
$pairs = explode('&', $value);
foreach ($pairs as $pair) {
list($k, $v) = explode('=', $pair);
// Check if we have a normal key-value pair
if (!preg_match("/^(.*?)((\\[(.*?)\\])+)\$/m", $k, $m)) {
$data[$k] = $v;
continue;
}
// Array values
$parts = explode('][', rtrim(ltrim($m[2], '['), ']'));
$json = '{"' . implode('":{"', $parts) . '": ' . json_encode($v) . str_pad('', count($parts), '}');
if (isset($data[$m[1]])) {
$data[$m[1]] = ArrayUtils::merge($data[$m[1]], $this->jsonFilter->filter($json));
continue;
}
$data[$m[1]] = $this->jsonFilter->filter($json);
}
return $data;
}