Merge from SVN. (#802)

* Bump version to 1.7.6
* Fix < PHP 7.3 compatiblity

readme.txt

@@ -2,7 +2,7 @@
 * Contributors: donncha, automattic
 * Tags: performance, caching, wp-cache, wp-super-cache, cache
 * Tested up to: 5.9
-* Stable tag: 1.7.5
+* Stable tag: 1.7.6
 * Requires at least: 3.1
 * Requires PHP: 5.2.4
 * License: GPLv2 or later
@@ -269,6 +269,9 @@ Your theme is probably responsive which means it resizes the page to suit whatev
 
 ## Changelog ##
 
+### 1.7.6 ###
+* Fix for PHP < 7.3
+
 ### 1.7.5 ###
 * Move the text of the settings pages into separate files. #791
 * Allow editors to delete all the cache files. #793

wp-cache.php

@@ -3,7 +3,7 @@
 Plugin Name: WP Super Cache
 Plugin URI: https://wordpress.org/plugins/wp-super-cache/
 Description: Very fast caching plugin for WordPress.
-Version: 1.7.5
+Version: 1.7.6
 Author: Automattic
 Author URI: https://automattic.com/
 License: GPL2+
@@ -988,7 +988,7 @@ function toggleLayer( whichLayer ) {
 					'wp_cache_preload_taxonomies',
 					'wp_cache_preload_email_me',
 					'wp_cache_preload_email_volume',
-					'wp_cache_preload_posts',
+					'wp_cache_preload_posts'
 				)
 			);
 
@@ -1052,7 +1052,7 @@ function toggleLayer( whichLayer ) {
 					'cache_schedule_interval',
 					'cache_time_interval',
 					'cache_gc_email_me',
-					'wp_cache_preload_on',
+					'wp_cache_preload_on'
 				)
 			);