Arrays > getNonEmptyValues() method > returns non-empty values, e.g. without "" (empty string), null or []

Arrays > getNonEmptyValuesAsString() method > returns non-empty values concatenated by given separator

tests/Utilities/Arrays/SimpleToString.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * (c) Meritoo.pl, http://www.meritoo.pl
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Meritoo\Common\Test\Utilities\Arrays;
+
+/**
+ * Simple class convertible to string.
+ * Used for testing the Arrays class.
+ *
+ * @author    Meritoo <github@meritoo.pl>
+ * @copyright Meritoo <http://www.meritoo.pl>
+ */
+class SimpleToString
+{
+    /**
+     * Identifier
+     *
+     * @var string
+     */
+    private $id;
+
+    /**
+     * Class constructor
+     *
+     * @param string $id Identifier
+     */
+    public function __construct($id)
+    {
+        $this->id = $id;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        return sprintf('Instance with ID: %s', $this->id);
+    }
+}