Replace usages of each() by foreach / current()&key()

Author: bwoebi

lib/ConnectionPool.php

@@ -112,7 +112,7 @@ public function getReadyConnection() {
 			$this->addConnection();
 		}
 
-		while (list($key, $conn) = each($this->ready)) {
+		foreach ($this->ready as $key => &$conn) {
 			unset($this->ready[$key]);
 			if ($conn->isReady()) {
 				return $conn;

lib/Processor.php

@@ -137,8 +137,8 @@ private function ready() {
 				$cb = $this->ready;
 				$this->out[] = null;
 			} else {
-				list($key, $cb) = each($this->onReady);
-				unset($this->onReady[$key]);
+				$cb = current($this->onReady);
+				unset($this->onReady[key($this->onReady)]);
 			}
 			if (isset($cb) && is_callable($cb)) {
 				$cb();
@@ -188,8 +188,8 @@ public function onInit() {
 
 	/** @return Deferred */
 	private function getDeferred() {
-		list($key, $deferred) = each($this->deferreds);
-		unset($this->deferreds[$key]);
+		$deferred = current($this->deferreds);
+		unset($this->deferreds[key($this->deferreds)]);
 		return $deferred;
 	}
 

lib/ResultProxy.php

@@ -42,9 +42,9 @@ public function rowFetched($row) {
 		if ($row !== null) {
 			$this->rows[$this->fetchedRows++] = $row;
 		}
-		list($key, list($entry, , $cb)) = each($this->deferreds[ResultProxy::SINGLE_ROW_FETCH]);
-		if ($key !== null) {
-			unset($this->deferreds[ResultProxy::SINGLE_ROW_FETCH][$key]);
+		list($entry, , $cb) = current($this->deferreds[ResultProxy::SINGLE_ROW_FETCH]);
+		if ($entry !== null) {
+			unset($this->deferreds[ResultProxy::SINGLE_ROW_FETCH][key($this->deferreds[ResultProxy::SINGLE_ROW_FETCH])]);
 			$entry->succeed($cb && $row ? $cb($row) : $row);
 		}
 	}