Moved global functions to handle array paths to a wrapper class

module/Common/src/Collection/PathCollection.php

@@ -0,0 +1,67 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Common\Collection;
+
+use function array_key_exists;
+use function array_shift;
+use function is_array;
+
+final class PathCollection
+{
+    /**
+     * @var array
+     */
+    private $array;
+
+    public function __construct(array $array)
+    {
+        $this->array = $array;
+    }
+
+    public function pathExists(array $path): bool
+    {
+        return $this->checkPathExists($path, $this->array);
+    }
+
+    private function checkPathExists(array $path, array $array): bool
+    {
+        // As soon as a step is not found, the path does not exist
+        $step = array_shift($path);
+        if (! array_key_exists($step, $array)) {
+            return false;
+        }
+
+        // Once the path is empty, we have found all the parts in the path
+        if (empty($path)) {
+            return true;
+        }
+
+        // If current value is not an array, then we have not found the path
+        $newArray = $array[$step];
+        if (! is_array($newArray)) {
+            return false;
+        }
+
+        return $this->checkPathExists($path, $newArray);
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getValueInPath(array $path)
+    {
+        $array = $this->array;
+
+        do {
+            $step = array_shift($path);
+            if (! is_array($array) || ! array_key_exists($step, $array)) {
+                return null;
+            }
+
+            $array = $array[$step];
+        } while (! empty($path));
+
+        return $array;
+    }
+}