From 3b282f3903926d8e87a7d15699c9ae4df6a0b68a Mon Sep 17 00:00:00 2001
From: Oliver Tacke <o.tacke@posteo.de>
Date: Sat, 13 Jun 2020 14:36:44 +0200
Subject: [PATCH] Fix step validation of number field

Will allow validation of number fields with step that's not an
integer. HTML5 fields allow steps to be float numbers.
---
 h5p.classes.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/h5p.classes.php b/h5p.classes.php
index a610431..f5f1e49 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -3754,7 +3754,7 @@ class H5PContentValidator {
     // Check if number is within allowed bounds even if step value is set.
     if (isset($semantics->step)) {
       $testNumber = $number - (isset($semantics->min) ? $semantics->min : 0);
-      $rest = $testNumber % $semantics->step;
+      $rest = fmod($testNumber, $semantics->step);
       if ($rest !== 0) {
         $number -= $rest;
       }