Fix string quoting

Author: alcaeus

source/includes/aggregation/atlas-search.php

@@ -77,17 +77,17 @@
 $collection->updateSearchIndex(
     'default',
     ['mappings' => [
-        "dynamic" => false,
-        "fields" => [
-            "name" => [
-                ["type" => "stringFacet"],
-                ["type" => "string"],
+        'dynamic' => false,
+        'fields' => [
+            'name' => [
+                ['type' => 'stringFacet'],
+                ['type' => 'string'],
                 [
-                    "foldDiacritics" => false,
-                    "maxGrams" => 7,
-                    "minGrams" => 3,
-                    "tokenization" => "edgeGram",
-                    "type" => "autocomplete",
+                    'foldDiacritics' => false,
+                    'maxGrams' => 7,
+                    'minGrams' => 3,
+                    'tokenization' => 'edgeGram',
+                    'type' => 'autocomplete',
                 ],
             ],
         ],

source/includes/connect/client.php

@@ -1,3 +1,3 @@
 <?php
 
-$client = new MongoDB\Client("mongodb://localhost:27017");
+$client = new MongoDB\Client('mongodb://localhost:27017');

source/includes/connect/connection-options.php

@@ -2,15 +2,15 @@
 
 // start-connection-uri
 // Replace the placeholders with your actual hostname, port, and path to the certificate key file
-$uri = "mongodb://<hostname>:<port>/?tls=true&tlsCertificateKeyFile=/path/to/file.pem";
+$uri = 'mongodb://<hostname>:<port>/?tls=true&tlsCertificateKeyFile=/path/to/file.pem';
 
 // Create a MongoDB client
 $client = new MongoDB\Client($uri);
 // end-connection-uri
 
 // start-client-options
 // Replace the placeholders with your actual hostname and port
-$uri = "mongodb://<hostname>:<port>/";
+$uri = 'mongodb://<hostname>:<port>/';
 
 // Set the connection options
 // Replace the placeholder with the actual path to the certificate key file

source/includes/connect/stable-api.php

@@ -1,15 +1,15 @@
 <?php
 
 // start-specify-v1
-$uri = "mongodb://<hostname>:<port>";
+$uri = 'mongodb://<hostname>:<port>';
 
 $driverOptions = ['serverApi' => new MongoDB\Driver\ServerApi('1')];
 
 $client = new MongoDB\Client($uri, [], $driverOptions);
 // end-specify-v1
 
 // start-stable-api-options
-$uri = "mongodb://<hostname>:<port>";
+$uri = 'mongodb://<hostname>:<port>';
 
 $serverApi = new MongoDB\Driver\ServerApi('1', strict: true, deprecationErrors: true);
 $driverOptions = ['serverApi' => $serverApi];

source/includes/write/transaction.php

@@ -9,7 +9,7 @@
 $checking = $client->bank->checking_accounts;
 $saving = $client->bank->saving_accounts;
 
-$accountId = "5678";
+$accountId = '5678';
 $transferAmount = 1000.0;
 
 $callback = function (MongoDB\Driver\Session $session) use (
@@ -20,30 +20,30 @@
     $transferAmount,
 ): void {
     $checking->updateOne(
-        ["account_id" => $accountId],
-        ['$inc' => ["balance" => -$transferAmount]],
-        ["session" => $session],
+        ['account_id' => $accountId],
+        ['$inc' => ['balance' => -$transferAmount]],
+        ['session' => $session],
     );
 
     $saving->updateOne(
-        ["account_id" => $accountId],
-        ['$inc' => ["balance" => $transferAmount]],
-        ["session" => $session],
+        ['account_id' => $accountId],
+        ['$inc' => ['balance' => $transferAmount]],
+        ['session' => $session],
     );
 
     $summary = sprintf('SAVINGS +%1$u CHECKING -%1$u', $transferAmount);
 
     $receipts->insertOne(
         [
-            "account_id" => $accountId,
-            "summary" => $summary,
-            "timestamp" => new MongoDB\BSON\UTCDateTime(),
+            'account_id' => $accountId,
+            'summary' => $summary,
+            'timestamp' => new MongoDB\BSON\UTCDateTime(),
         ],
-        ["session" => $session],
+        ['session' => $session],
     );
 
-    echo "Successfully performed transaction!", PHP_EOL;
-    echo "Summary: ", $summary, PHP_EOL;
+    echo 'Successfully performed transaction!', PHP_EOL;
+    echo 'Summary: ', $summary, PHP_EOL;
 };
 // end-callback
 
@@ -53,6 +53,6 @@
 try {
     MongoDB\with_transaction($session, $callback);
 } catch (MongoDB\Driver\Exception\RuntimeException $e) {
-    echo "Caught exception: ", $e->getMessage(), PHP_EOL;
+    echo 'Caught exception: ', $e->getMessage(), PHP_EOL;
 }
 // end-txn