It works as a variable container with wrapping of return values
for safe access without warnings (on missing properties).
/**
* Get a value by path and wrap it into another context
*
* The whitelist for the given path is applied to the new context.
*
* @param string $path
* @return Context The wrapped value
*/
public function getAndWrap($path = null)
{
// There are some cases where the $path is a ProtectedContext, especially when doing s.th. like
// foo()[myOffset]. In this case we need to unwrap it.
if ($path instanceof ProtectedContext) {
$path = $path->unwrap();
}
$context = parent::getAndWrap($path);
if ($context instanceof ProtectedContext && isset($this->whitelist[$path]) && is_array($this->whitelist[$path])) {
$context->whitelist = $this->whitelist[$path];
}
return $context;
}
/**
* @test
* @dataProvider objectGetValues
*
* @param mixed $value
* @param string $path
* @param mixed $expectedGetValue
*/
public function getValueByPathForObjectValues($value, $path, $expectedGetValue)
{
$context = new Context($value);
$getValue = $context->get($path);
$this->assertSame($getValue, $expectedGetValue);
}