silverstripe-framework/src/Control/FlushMiddleware.php

27 lines
582 B
PHP

<?php
namespace SilverStripe\Control;
use SilverStripe\Core\Flushable;
use SilverStripe\Core\ClassInfo;
/**
* Triggers a call to flush() on all implementors of Flushable.
*/
class FlushMiddleware implements HTTPMiddleware
{
/**
* @inheritdoc
*/
public function process(HTTPRequest $request, callable $delegate)
{
if (array_key_exists('flush', $request->getVars())) {
foreach (ClassInfo::implementorsOf(Flushable::class) as $class) {
$class::flush();
}
}
return $delegate($request);
}
}