Initial Drupal 11 with DDEV setup

vendor/phootwork/lang/parts/InsertPart.php

@@ -0,0 +1,33 @@
+<?php declare(strict_types=1);
+/**
+ * This file is part of the Phootwork package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ * @copyright Thomas Gossmann
+ */
+namespace phootwork\lang\parts;
+
+trait InsertPart {
+	abstract public function add(mixed ...$elements);
+
+	/**
+	 * Insert one element at the given index
+	 *
+	 * @param mixed $element
+	 * @param int|null|string $index
+	 *
+	 * @return $this
+	 */
+	public function insert(mixed $element, int|string|null $index): self {
+		if (null === $index) {
+			return $this->add($element);
+		}
+
+		is_int($index) ? array_splice($this->array, $index, 0, [$element])
+			: $this->array[$index] = $element;
+
+		return $this;
+	}
+}