array_key_last()

fixes https://github.com/peachpiecompiler/peachpie/issues/1148

src/Peachpie.Library/Arrays.cs

@@ -881,7 +881,7 @@ namespace Pchp.Library.Standard
         public static PhpValue array_key_last(PhpArray array)
         {
             var enumerator = array.GetFastEnumerator();
-            if (enumerator.MovePrevious())
+            if (enumerator.MoveLast())
             {
                 return PhpValue.Create(enumerator.CurrentKey);
             }

tests/arrays/array_key_last_001.php

@@ -0,0 +1,27 @@
+<?php
+
+// https://github.com/peachpiecompiler/peachpie/issues/1148
+
+namespace arrays\array_key_last_001;
+
+// Sample associative array
+$fruits = [
+    'apple' => 'green',
+    'banana' => 'yellow',
+    'cherry' => 'red',
+];
+
+// Using array_key_last() to get the last key of the array
+$lastKey = array_key_last($fruits);
+
+echo "The last key is: " . $lastKey . "\n";
+echo "The value of the last element is: " . $fruits[$lastKey] . "\n";
+
+// Sample indexed array
+$numbers = [10, 20, 30, 40];
+
+// Using array_key_last() to get the last key of the indexed array
+$lastIndex = array_key_last($numbers);
+
+echo "The last index is: " . $lastIndex . "\n";
+echo "The value of the last element is: " . $numbers[$lastIndex] . "\n";