http://learn.elgg.org/en/2.3/

Yes I know thats for 2.3, I'm looking  at this tutorial for elgg 3.0: http://learn.elgg.org/en/3.0/tutorials/blog.html

But when I do it, it gives me fatal errors (page not working, have to rename the plugin in /mod/ to disable the plugin and get the page working again)

So I'm asking if the documentation hasnt been updated and therefor doesnt work for 3.0

Elgg 3.0 documentation is updated. Seems that you're doing something wrong. Check your server logs.

I checked everything four times, error log of my server doesnt give any errors for the particular timestamp. Is that 100 % sure, that the tutorial is correct? I copied and pasted everything according tothe tutorial, checked everything and I also checked the directories more than once. I'm absolutely sure, that I have everything exactly as in the tutorial.

In start.php use

elgg_register_event_handler('init', 'system', 'my_blog_init');

function my_blog_init() {
    // register a hook handler to override urls
    elgg_register_plugin_hook_handler('entity:url', 'object', 'my_blog_set_url');
}

Instead of code that mentioned in docs

Thank you, that solved the fatal error issue. When I view /my_blog/add/, it outputs raw code and still doesnt work, but at least no fatal errors.

Thats the output:

Create a new my_blog post

echo elgg_view_field([ '#type' => 'text', '#label' => elgg_echo('title'), 'name' => 'title', 'required' => true, ]); echo elgg_view_field([ '#type' => 'longtext', '#label' => elgg_echo('body'), 'name' => 'body', 'required' => true, ]); echo elgg_view_field([ '#type' => 'tags', '#label' => elgg_echo('tags'), '#help' => elgg_echo('tags:help'), 'name' => 'tags', ]); $submit = elgg_view_field(array( '#type' => 'submit', '#class' => 'elgg-foot', 'value' => elgg_echo('save'), )); elgg_set_form_footer($submit);

Add

<?php

At the start of mod\my_blog\views\default\forms\my_blog\save.php

Thanks, that also solved this issue. I still cant get the page with all the blog posts (/my_blog/all/). Writing, saving and viewing blogs works however.

Sorry, I haven't free time to learn you Elgg or coding.

Use the existing 'blog' plugin as an example, learn docs, use GitHub/Gitlab for sharing your projects and return on Community.