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Prevent duplicate closeCallback calls in case of GC ghosts

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Sometimes PHP 7 GC decides to call stream_close again even after the
PHP request has ended, and even if fclose was called before already.
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Vincent Petry 2016-12-02 14:57:57 +01:00
commit 668abfee80
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src/CallbackWrapper.php
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@ -107,6 +107,8 @@ class CallbackWrapper extends Wrapper {
$result = parent::stream_close(); $result = parent::stream_close();
if (is_callable($this->closeCallback)) { if (is_callable($this->closeCallback)) {
call_user_func($this->closeCallback); call_user_func($this->closeCallback);
// prevent further calls by potential PHP 7 GC ghosts
$this->closeCallback = null;
} }
return $result; return $result;
} }