Adding ArrayUnsetTransformer

Author: VincentChalnot

Transformer/ArrayUnsetTransformer.php

@@ -0,0 +1,49 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of the CleverAge/ProcessBundle package.
+ *
+ * Copyright (C) 2017-2019 Clever-Age
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CleverAge\ProcessBundle\Transformer;
+
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * Unset a key from an array
+ */
+class ArrayUnsetTransformer implements ConfigurableTransformerInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function transform($value, array $options = [])
+    {
+        if (!\is_array($value)) {
+            throw new \UnexpectedValueException('Given value is not an array');
+        }
+        unset($value[$options['key']]);
+
+        return $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCode(): string
+    {
+        return 'array_unset';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setRequired('key');
+        $resolver->setAllowedTypes('key', ['string', 'int']);
+    }
+}