is_empty

Author: brenoroosevelt

composer.json

@@ -35,6 +35,7 @@
             "src/AtLeast.php",
             "src/AtMost.php",
             "src/Exactly.php",
+            "src/IsEmpty.php",
             "src/Add.php",
             "src/Set.php",
             "src/Pipe.php",

src/IsEmpty.php

@@ -0,0 +1,28 @@
+<?php
+declare(strict_types=1);
+
+namespace BrenoRoosevelt;
+
+use Throwable;
+use Traversable;
+
+/**
+ * @param array|Traversable $haystack
+ * @return bool
+ */
+function is_empty($haystack): bool
+{
+    $tmp = $haystack;
+    try {
+        if (is_object($haystack)) {
+            $tmp = clone $haystack;
+        }
+    } catch (Throwable $exception) {
+    }
+
+    foreach ($tmp as $item) {
+        return false;
+    }
+
+    return true;
+}