upgrade

vendor/alchemy/phpexiftool/lib/PHPExiftool/Driver/Metadata/MetadataBag.php

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+<?php
+
+/**
+ * This file is part of the PHPExiftool package.
+ *
+ * (c) Alchemy <support@alchemy.fr>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace PHPExiftool\Driver\Metadata;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * Container for Metadatas
+ *
+ * @author      Romain Neutron - imprec@gmail.com
+ * @license     http://opensource.org/licenses/MIT MIT
+ */
+class MetadataBag extends ArrayCollection
+{
+
+    /**
+     * Returns all the elements which key matches the regexp
+     *
+     * @param  string      $regexp
+     * @return MetadataBag
+     */
+    public function filterKeysByRegExp($regexp)
+    {
+        $partitions = $this->partition(function($key, $element) use ($regexp) {
+            return preg_match($regexp, $key);
+        });
+
+        return array_shift($partitions);
+    }
+}