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Use simple assignment if queue is empty

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The common case is for the queue to be empty at the start of the tick, so a call to array_merge() can be avoided in most cases.
This commit is contained in:
Aaron Piotrowski 2017-04-20 11:26:13 -05:00
parent 628d8cbab1
commit fdeb427717
1 changed files with 5 additions and 1 deletions
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6
lib/Loop/Driver.php
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@ -91,7 +91,11 @@ abstract class Driver {
* Executes a single tick of the event loop.
*/
private function tick() {
$this->deferQueue = \array_merge($this->deferQueue, $this->nextTickQueue);
if (empty($this->deferQueue)) {
$this->deferQueue = $this->nextTickQueue;
} else {
$this->deferQueue = \array_merge($this->deferQueue, $this->nextTickQueue);
}
$this->nextTickQueue = [];
$this->activate($this->enableQueue);