PHP Tiny Logger

php/school_app/src/Repository/EventSubscriber.php

@@ -0,0 +1,26 @@
+<?php namespace SchoolApp\Repository;
+
+use MongoDB\Driver\Monitoring\CommandFailedEvent;
+use MongoDB\Driver\Monitoring\CommandStartedEvent;
+use MongoDB\Driver\Monitoring\CommandSucceededEvent;
+
+class EventSubscriber implements \MongoDB\Driver\Monitoring\CommandSubscriber
+{
+    public function commandSucceeded(CommandSucceededEvent $event): void
+    {
+        $this->writeToLog("Command Succeeded!\n");
+    }
+    public function commandFailed(CommandFailedEvent $event): void
+    {
+        $this->writeToLog("Command Failed!\n");
+    }
+    public function commandStarted(CommandStartedEvent $event): void
+    {
+        $this->writeToLog("Command Started!\n");
+    }
+    private function writeToLog(string $msg){
+        $myfile = fopen("/school_app/logfile.txt", "a");
+        fwrite($myfile, $msg);
+        fclose($myfile);
+    }
+}

php/school_app/src/Repository/Mongo.php

@@ -58,6 +58,7 @@ private function __construct() {
     static function getInstance() {
         static $instance;
         if ($instance == null) {
+            \MongoDB\Driver\Monitoring\addSubscriber(new EventSubscriber());
             $instance = new Mongo();
         }
         return $instance;