Add strict comparison null !== instead of ! (#1794)

Author: jderusse

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- use strict comparison `null !==` instead of `!`
+
 ## 3.2.2
 
 ### Changed

src/Result/BatchGetItemOutput.php

@@ -83,7 +83,7 @@ public function getConsumedCapacity(bool $currentPageOnly = false): iterable
         $page = $this;
         while (true) {
             $page->initialize();
-            if ($page->unprocessedKeys) {
+            if (null !== $page->unprocessedKeys) {
                 $input->setRequestItems($page->unprocessedKeys);
 
                 $this->registerPrefetch($nextPage = $client->batchGetItem($input));

src/Result/ListTablesOutput.php

@@ -79,7 +79,7 @@ public function getTableNames(bool $currentPageOnly = false): iterable
         $page = $this;
         while (true) {
             $page->initialize();
-            if ($page->lastEvaluatedTableName) {
+            if (null !== $page->lastEvaluatedTableName) {
                 $input->setExclusiveStartTableName($page->lastEvaluatedTableName);
 
                 $this->registerPrefetch($nextPage = $client->listTables($input));

src/Result/QueryOutput.php

@@ -116,7 +116,7 @@ public function getItems(bool $currentPageOnly = false): iterable
         $page = $this;
         while (true) {
             $page->initialize();
-            if ($page->lastEvaluatedKey) {
+            if (null !== $page->lastEvaluatedKey) {
                 $input->setExclusiveStartKey($page->lastEvaluatedKey);
 
                 $this->registerPrefetch($nextPage = $client->query($input));

src/Result/ScanOutput.php

@@ -116,7 +116,7 @@ public function getItems(bool $currentPageOnly = false): iterable
         $page = $this;
         while (true) {
             $page->initialize();
-            if ($page->lastEvaluatedKey) {
+            if (null !== $page->lastEvaluatedKey) {
                 $input->setExclusiveStartKey($page->lastEvaluatedKey);
 
                 $this->registerPrefetch($nextPage = $client->scan($input));