Check if WP_REDIS_PLUGIN_PATH is defined before defining (#494)

Co-authored-by: Till Krüss <[email protected]>

Author: rbackert

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Require WordPress 4.6 or newer
 - Load text-domain on-demand
 - Call `redis_object_cache_error` action before `wp_die()`
+- Don't try to define `WP_REDIS_PLUGIN_PATH` twice
 
 ## 2.4.4
 

redis-cache.php

@@ -20,10 +20,13 @@
 defined( 'ABSPATH' ) || exit;
 
 define( 'WP_REDIS_FILE', __FILE__ );
-define( 'WP_REDIS_PLUGIN_PATH', __DIR__ );
 define( 'WP_REDIS_BASENAME', plugin_basename( WP_REDIS_FILE ) );
 define( 'WP_REDIS_PLUGIN_DIR', plugin_dir_url( WP_REDIS_FILE ) );
 
+if ( ! defined( 'WP_REDIS_PLUGIN_PATH' ) ) {
+    define( 'WP_REDIS_PLUGIN_PATH', __DIR__ );
+}
+
 $meta = get_file_data( WP_REDIS_FILE, [ 'Version' => 'Version' ] );
 
 define( 'WP_REDIS_VERSION', $meta['Version'] );