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