From 41eee1a7aab6e39e18e01fd90163b0d143226289 Mon Sep 17 00:00:00 2001
From: PMKuipers <pm@miqra.nl>
Date: Fri, 1 Dec 2023 11:13:13 +0100
Subject: [PATCH] Tweaked debug tools

---
 classes/debug.php | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/classes/debug.php b/classes/debug.php
index d374a9e..957e525 100644
--- a/classes/debug.php
+++ b/classes/debug.php
@@ -21,6 +21,9 @@
  */
 
 namespace local_treestudyplan;
+
+use Exception;
+
 defined('MOODLE_INTERNAL') || die();
 
 class debug {
@@ -31,11 +34,30 @@ class debug {
      */
     public static function &dump(&$object,$filename="/tmp/debug.log") {
         $f = fopen($filename,"a+");
-        fwrite($f,\json_encode($object,JSON_PRETTY_PRINT )."\n");
+        try {
+            $json = \json_encode($object,JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR );
+            fwrite($f,$json."\n");
+        } catch (Exception $x) {
+            fwrite($f,"Error processing json: ". $x->getMessage()."\n");
+            fwrite($f,"Print_r dump: \n".print_r($object,true)."\n");
+        }
         fclose($f);
         return $object;
     }
 
+    /**
+     * @param $object Object to dump
+     * @param $filename File to write to
+     * @return any The object
+     */
+    public static function &print_r(&$object,$filename="/tmp/debug.log") {
+        $f = fopen($filename,"a+");
+        fwrite($f,"Print_r dump: \n".print_r($object,true)."\n");
+        fclose($f);
+        return $object;
+    }
+
+
     /**
      * @param $object Object to dump
      * @param $filename File to write to