WebRequest: Update comment with a TODO now that HHVM is gone
Change-Id: I444d1be4d7194e1d0c705ac9a4e79c73e69a1c78
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1 changed files with 4 additions and 1 deletions
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@ -103,7 +103,10 @@ class WebRequest {
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/**
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* @var SessionId|null Session ID to use for this
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* request. We can't save the session directly due to reference cycles not
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* working too well (slow GC in Zend and never collected in HHVM).
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* working too well (slow GC).
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*
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* TODO: Investigate whether this GC slowness concern (added in a73c5b7395 with regard to
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* PHP 5.6) still applies in PHP 7.2+.
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*/
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protected $sessionId = null;
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