Add an appending test

Author: Girgias

Zend/tests/offsets/appending_containers.phpt

@@ -0,0 +1,48 @@
+--TEST--
+Appending containers
+--FILE--
+<?php
+
+$containers = [
+    null,
+    false,
+    true,
+    10,
+    25.5,
+    'string',
+    [],
+    new stdClass(),
+    STDERR,
+];
+
+foreach ($containers as $container) {
+    try {
+        $container[] = 'value';
+        var_dump($container);
+    } catch (\Throwable $e) {
+        echo $e->getMessage(), "\n";
+    }
+}
+
+?>
+--EXPECTF--
+array(1) {
+  [0]=>
+  string(5) "value"
+}
+
+Deprecated: Automatic conversion of false to array is deprecated in %s on line %d
+array(1) {
+  [0]=>
+  string(5) "value"
+}
+Cannot use a scalar value as an array
+Cannot use a scalar value as an array
+Cannot use a scalar value as an array
+[] operator not supported for strings
+array(1) {
+  [0]=>
+  string(5) "value"
+}
+Cannot use object of type stdClass as array
+Cannot use a scalar value as an array