core - Read For Learn

How to contribute to WordPress Core using Tortoise SVN?

Here you can find how to use subversion with WP and create a patch. https://codex.wordpress.org/Using_Subversion

What is the WP_Internal_Pointers core class?

It implements the pointers feature, a UX change that was introduced in v3.3 to help point at new features when you first encounter them You can use this yourself by enquing the wp-pointer script then using code similar to this: jQuery(document).ready( function($) { $(‘#menu-appearance’).pointer({ content: ‘<h3>Edit The Appearance</h3><p>Edit the appearance of your WordPress theme.</p>’, position: … Read more

WP Core: Where are terms populated for the admin edit screen?

The items are loaded via get_terms() (see source on Trac) in the display_rows_or_placeholder() method which is called in the display() method which is called in wp-admin/edit-tags.php (see source on Trac). But the $items property is never populated with the terms.

What problems maybe happen if I remove “wp-” prefix from wordpress folders and files?

Editing core is extremely bad practice. At best you will break updates, at worst random thing would be completely broken all over. See Steps to Take to Hide the Fact a Site is Using WordPress? for better alternatives.

No longer able to attach S3 bucket files to emails being sent by WordPress due to PHPMailer security update

WordPress classes explained

https://developer.wordpress.org/reference/ is sometimes more useful or other links on that page like Getting Started with WordPress. But you’re better off with running Query Monitor to see what is happening on each page then looking up the concepts individually. I don’t think anyone learns WP in a day. I think they typically focus on a single … Read more

How do I set a custom WordPress update repository?

Function to change a label (Username) in a core WordPress File (wp-includes/general-template.php)

Try putting this in your functions.php function wpse60605_change_username_label( $defaults ){ $defaults[‘label_username’] = __( ‘Username or Email’ ); return $defaults; } add_filter( ‘login_form_defaults’, ‘wpse60605_change_username_label’ );

What’s $GLOBALS[‘wp_settings’][‘media’][’embeds’]?

Per the two comments by Rarst and myself, the variable itself is is potentially populated by add_settings_field(), and the related logic is present for historical/backwards compatibility reasons. (There used to be fields in this area.) The related ticket and changeset for reference: http://core.trac.wordpress.org/ticket/21719 http://core.trac.wordpress.org/changeset/21998

What CSS minifier does WP core use?

According the the Gruntfile.js in core, the minifier is grunt-contrib-cssmin – https://www.npmjs.com/package/grunt-contrib-cssmin

+ More