From 1ffcae2b6119b0cfbf7037fc1513ee127b007a84 Mon Sep 17 00:00:00 2001
From: BePsvPT <freedom@csie.io>
Date: Fri, 2 Sep 2016 02:30:32 +0800
Subject: [PATCH] Optimize Arr::first when array is large

---
 src/Illuminate/Support/Arr.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Illuminate/Support/Arr.php b/src/Illuminate/Support/Arr.php
index bb0d1a9fe280..f72ebce1d5b9 100755
--- a/src/Illuminate/Support/Arr.php
+++ b/src/Illuminate/Support/Arr.php
@@ -134,7 +134,13 @@ public static function exists($array, $key)
     public static function first($array, callable $callback = null, $default = null)
     {
         if (is_null($callback)) {
-            return empty($array) ? value($default) : reset($array);
+            if (empty($array)) {
+                return value($default);
+            }
+
+            foreach ($array as $item) {
+                return $item;
+            }
         }
 
         foreach ($array as $key => $value) {