From fbca20ce8f63726ca8da4014bae446655cd184c7 Mon Sep 17 00:00:00 2001
From: jrfnl <jrfnl@users.noreply.github.com>
Date: Sat, 23 Sep 2023 18:04:53 +0200
Subject: [PATCH] QA: remove redundant code

The `explode()` function will always return an array, so strict comparing the return value with an empty string will never result in a passing condition.

Ref: https://www.php.net/manual/en/function.explode.php
---
 admin-functions.php | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/admin-functions.php b/admin-functions.php
index 28f169ac8..a375017dd 100644
--- a/admin-functions.php
+++ b/admin-functions.php
@@ -153,9 +153,6 @@ function duplicate_post_plugin_upgrade() {
 	}
 
 	$meta_blacklist = explode( ',', get_option( 'duplicate_post_blacklist' ) );
-	if ( $meta_blacklist === '' ) {
-		$meta_blacklist = [];
-	}
 	$meta_blacklist = array_map( 'trim', $meta_blacklist );
 	if ( in_array( '_wp_page_template', $meta_blacklist, true ) ) {
 		update_option( 'duplicate_post_copytemplate', 0 );