In Oxygen 4.0 when the Gutenberg Integration (version 1.4.1) is enabled for a page any code blocks do not work. They output broken encoded text instead of the result of running the code.
Deactivating the Gutenberg Integration plugin or unchecking the "Make this full page editable in Gutenberg" checkbox on the specific page stops the issue.
In Oxygen 4.0 when the Gutenberg Integration (version 1.4.1) is enabled for a page any code blocks do not work. They output broken encoded text instead of the result of running the code.
Deactivating the Gutenberg Integration plugin or unchecking the "Make this full page editable in Gutenberg" checkbox on the specific page stops the issue.
Sandbox link: https://oxygen-qyb9d75xwxdml.oxygen-demo.qsandbox.me/code-blocks/
The code in the code block on this page is:
<?php echo (new DateTime("now"))->format("Y-m-d H:i:s"); ?>