Version 2309 (#155)

* Update to WordPress CS 3.0

* Redo XSS nonce check
Apply some WordPress CS 3.0 recommendations
Reorder files/code

* Implements sub-menus [sitemap_pages child_of="current"] and [sitemap_pages child_of="1234"] (#153)

* Update class-toc-plus.php

Implementation of:
use [ sitemap_pages child_of="current" ] to get TOC of current page
use [ sitemap_pages child_of="1234" ] to get TOC with given page id

* Update class-toc-plus.php implements sub menus (works with PHP8.2 and WordPress 6.3))

Implements [ sitemap_pages child_of="current" ] and
[ sitemap_pages child_of="1234" ]
status:works, tested with PHP 8.2 and WordPress 6.3

* Clean up code, remove debugs

---------

Co-authored-by: Michael Tran <[email protected]>

* Yoda string comparison

* Add description for 2309

---------

Co-authored-by: Michael <[email protected]>

.gitignore

@@ -2,4 +2,5 @@
 .svn
 .DS_Store
 Thumbs.db
-.nfs.*
+.nfs.*
+/vendor/

composer.json

@@ -0,0 +1,16 @@
+{
+    "name": "dublue/table-of-contents-plus",
+    "authors": [
+        {
+            "name": "Michael Tran"
+        }
+    ],
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    },
+    "require-dev": {
+        "wp-coding-standards/wpcs": "^3.0"
+    }
+}