Development

All versions of Moodle are appropriately tagged in the Moodle git repository (git://git.moodle.or...

You can set the default date on the Moodle Date Picker using the setDefault method for example: ...

Moodle uses XMLDB as an abstraction layer to support multiple database platforms and schema chang...

When developing in Moodle, Javascript caching can be a real pain as you generally need to purge c...

There’s a method in the moodle_url class in lib/weblib.php called __toString() which will convert...

Here's how to add your local plugin to the following navigation through the settings.php file: ...

You can modify the custom auth/email signup registration page with the following steps (note this...

Plugin dependencies can be added using the $plugin->dependencies attribute in version.php. Th...

If you are working with flexibile tables (lib/tablelib.php) in Moodle and have table download ena...

A handy debugging tip, if you need to debug the SQL generated by any of the $DB methods (see DML ...

The moodle root directory $CFG->dirroot is established in the file lib/setup.php along with ot...

When adding a form rule for select (or multiple select) fields, these need to be applied on the c...

If you are getting an error like this when attempting to upgrade a plugin: !!! Unknown error upg...

One (of the many) good reasons to use the XMLDB editor in Moodle rather than hacking the db/insta...

There’s a handy feature in Moodle configuration called $CFG->debugusers = '<moodle_user_ids...

These are the values you can set for the debug level under: Site administration > Developme...

If you need to upgrade your database schema for a custom plugin, e.g. adding a new table or chang...

Moodle uses the convention of the branch name MOODLE_XX_STABLE for each stable release e.g. Moodl...

If you have code that uses $DB->get_records_sql() and it is only giving you one row, or an inc...

Ther are two parts to setting up a scheduled task in your plugin. Create the task class under c...

If you need to get the list of user profile field select options for your plugin, you can query t...

Due to the large diveregences between moodle stable versions in the Moodle git repository (e.g. M...