/**
* Test whether this filter chain contains given callback
*
* @param callable $callback
* @return bool
*/
public function containsCallback(callable $callback)
{
// Normalize the callback
$pc = new ProgrammableCallback($callback);
$callback = $pc->getCallback();
foreach ($this->items as $filter) {
if ($callback === $filter->getCallback()) {
return true;
}
}
return false;
}
/**
* @testdox getCallback() returns the callback
*/
public function testGetCallback()
{
$pc = new ProgrammableCallback('strtolower');
$this->assertSame('strtolower', $pc->getCallback());
}
