From 62bd32c1acefa5b8fb8c3261a304332308adbd9c Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Mon, 17 Oct 2016 16:54:22 -0400
Subject: [PATCH] Improve performance of settings save by not querying the DB
 if submitted value is the same

---
 include/Core/Config.php  | 4 ++++
 include/Core/PConfig.php | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/include/Core/Config.php b/include/Core/Config.php
index bc2bc1fad7..46972e1eb7 100644
--- a/include/Core/Config.php
+++ b/include/Core/Config.php
@@ -126,6 +126,10 @@ class Config {
 	public static function set($family, $key, $value) {
 		global $a;
 
+        if (self::get($family, $key) === $value) {
+            return true;
+        }
+
 		$a->config[$family][$key] = $value;
 
 		// manage array value
diff --git a/include/Core/PConfig.php b/include/Core/PConfig.php
index c6821a2667..1d0f7fc82c 100644
--- a/include/Core/PConfig.php
+++ b/include/Core/PConfig.php
@@ -123,6 +123,10 @@ class PConfig {
 
 		global $a;
 
+        if (self::get($uid, $family, $key) === $value) {
+            return true;
+        }
+
 		// manage array value
 		$dbvalue = (is_array($value)?serialize($value):$value);