[Process] Fix AbstractPipes::write() for a situation seen on HHVM (at least)
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@ -134,9 +134,7 @@ abstract class AbstractPipes implements PipesInterface
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if (null === $this->input && !isset($this->inputBuffer[0])) {
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fclose($this->pipes[0]);
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unset($this->pipes[0]);
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}
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if (!$w) {
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} elseif (!$w) {
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return array($this->pipes[0]);
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}
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}
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