Resolve issue raised by PHPStan

examples/OmiseCharge.php

@@ -1,7 +1,7 @@
 
 <?php
-require_once '../vendor/autoload.php';
-require_once "../lib/Omise.php";
+require_once 'vendor/autoload.php';
+require_once 'lib/Omise.php';
 
 $dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/..');
 $dotenv->load();
@@ -26,15 +26,19 @@
     'amount' => 100000,
     'currency' => 'thb',
     'return_uri' => 'http://www.example.com',
-    "card" => $token->toArray()['id']
+    'card' => $token->toArray()['id']
 ]);
 
 $chargeFetched = OmiseCharge::retrieve($chargeCreated->toArray()['id']);
 echo print_r($chargeFetched, true);
+
+// Capture the amount
 $chargeFetched->capture(['capture_amount' => 100000 / 2]);
+
+// Refund the amount
 $chargeRefund = $chargeFetched->refunds()->create(['amount' => 100000]);
 
-echo sprintf("New Charge ID (TH): %s", $chargeCreated->toArray()['id']) . "\n";
-echo sprintf("Fetched Charge ID (TH): %s", $chargeFetched->toArray()['id']) . "\n";
+echo sprintf('New Charge ID (TH): %s', $chargeCreated->toArray()['id']) . '\n';
+echo sprintf('Fetched Charge ID (TH): %s', $chargeFetched->toArray()['id']) . '\n';
 echo print_r($chargeFetched, true);
-echo sprintf("Refund ID (TH): %s", $chargeRefund->toArray()['id']) . "\n\n";
+echo sprintf('Refund ID (TH): %s', $chargeRefund->toArray()['id']) . '\n\n';

examples/OmiseSchedule.php

@@ -1,7 +1,7 @@
 
 <?php
 require_once 'vendor/autoload.php';
-require_once "lib/Omise.php";
+require_once 'lib/Omise.php';
 
 $dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/..');
 $dotenv->load();
@@ -32,11 +32,11 @@
     'charge[description]' => 'Testing schedule',
 ], $pkeyTH, $skeyTH);
 
-echo sprintf("Created schedule ID (TH): %s", $createResultTH->toArray()['id']) . "\n";
+echo sprintf('Created schedule ID (TH): %s', $createResultTH->toArray()['id']) . '\n';
 
 $resultTH = OmiseSchedule::retrieve($createResultTH->toArray()['id'], $pkeyTH, $skeyTH);
 
-echo sprintf("Fetched schedule ID (TH): %s", $resultTH->toArray()['id']) . "\n\n";
+echo sprintf('Fetched schedule ID (TH): %s', $resultTH->toArray()['id']) . '\n\n';
 
 // Create schedule under MY PSP
 $createResultMY = OmiseSchedule::create([
@@ -49,11 +49,11 @@
     'charge[description]' => 'Testing schedule',
 ], $pkeyMY, $skeyMY);
 
-echo sprintf("Created schedule ID (MY): %s", $createResultMY->toArray()['id']) . "\n";
+echo sprintf('Created schedule ID (MY): %s', $createResultMY->toArray()['id']) . '\n';
 
 $resultMY = OmiseSchedule::retrieve($createResultMY->toArray()['id'], $pkeyMY, $skeyMY);
 
-echo sprintf("Fetched schedule ID (MY): %s", $resultMY->toArray()['id']) . "\n\n";
+echo sprintf('Fetched schedule ID (MY): %s', $resultMY->toArray()['id']) . '\n\n';
 
 // Create schedule under SG PSP
 $createResultSG = OmiseSchedule::create([
@@ -66,8 +66,8 @@
     'charge[description]' => 'Testing schedule',
 ]);
 
-echo sprintf("Created schedule ID (SG): %s", $createResultSG->toArray()['id']) . "\n";
+echo sprintf('Created schedule ID (SG): %s', $createResultSG->toArray()['id']) . '\n';
 
 $resultSG = OmiseSchedule::retrieve($createResultSG->toArray()['id']);
 
-echo sprintf("Fetched schedule ID (SG): %s", $resultSG->toArray()['id']) . "\n\n";
+echo sprintf('Fetched schedule ID (SG): %s', $resultSG->toArray()['id']) . '\n\n';

lib/omise/OmiseCapabilities.php

@@ -79,6 +79,7 @@ function ($backend) {
             },
             $this['payment_backends']
         );
+
         // return backends (filtered if requested)
         return ($filters = func_get_args()) ? array_filter($backends, self::combineFilters(self::argsToVariadic($filters))) : $backends;
     }

lib/omise/res/OmiseApiResource.php

@@ -41,6 +41,7 @@ protected static function getInstance($publickey = null, $secretkey = null)
         $className = get_class($resource);
         if (!isset(self::$instances[$className])) {
             static::$instances[$className] = $resource;
+
             return static::$instances[$className];
         }