From 5eb8df7432a708284862e4b126e418265d36b4ab Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 2 May 2022 18:49:09 +0200
Subject: [inc/Util] Add types, move error printing functions to their own
 class

---
 inc/arrayutil.inc.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'inc/arrayutil.inc.php')

diff --git a/inc/arrayutil.inc.php b/inc/arrayutil.inc.php
index 3beceb41..d82cdbeb 100644
--- a/inc/arrayutil.inc.php
+++ b/inc/arrayutil.inc.php
@@ -48,4 +48,22 @@ class ArrayUtil
 		array_multisort($sorter, $sortFlags, $array);
 	}
 
+	/**
+	 * Check whether $array contains all keys given in $keyList
+	 *
+	 * @param array $array An array
+	 * @param array $keyList A list of strings which must all be valid keys in $array
+	 * @return boolean
+	 */
+	public static function hasAllKeys(array $array, array $keyList): bool
+	{
+		if (!is_array($array))
+			return false;
+		foreach ($keyList as $key) {
+			if (!isset($array[$key]))
+				return false;
+		}
+		return true;
+	}
+
 }
\ No newline at end of file
-- 
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