From b91257e97ff3ac0319cbce97246207c531b8f0cb Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Sat, 17 Oct 2020 15:43:39 +0000
Subject: [PATCH] Feeds: Fix "Only variables should be passed by reference" PHP
 notice in `atomlib.php`.

Props jrf.
Fixes #51558.

git-svn-id: https://develop.svn.wordpress.org/trunk@49182 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/atomlib.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/wp-includes/atomlib.php b/src/wp-includes/atomlib.php
index ce62b13599..97f85baf2d 100644
--- a/src/wp-includes/atomlib.php
+++ b/src/wp-includes/atomlib.php
@@ -191,7 +191,8 @@ class AtomParser {
 
     function start_element($parser, $name, $attrs) {
 
-        $tag = array_pop(explode(":", $name));
+        $name_parts = explode(":", $name);
+        $tag        = array_pop($name_parts);
 
         switch($name) {
             case $this->NS . ':feed':
@@ -270,7 +271,8 @@ class AtomParser {
 
     function end_element($parser, $name) {
 
-        $tag = array_pop(explode(":", $name));
+        $name_parts = explode(":", $name);
+        $tag        = array_pop($name_parts);
 
         $ccount = count($this->in_content);