birgire

<?php
/**
 * Print the clean basedomain in the admin footer
 * 
 * Place the file under /wp-content/mu-plugins/wpse.php
 * 
 * @uses get_clean_basedomain()
 */
add_action( 'in_admin_footer', function(){
        if( function_exists( 'get_clean_basedomain' ) )

birgire

/**
 * Redirect attachment page visits to the parent page, else the home page.
 */
add_action( 'template_redirect', function()
{
	if( ! is_attachment() )
	    return;
	    
	if( $parent_id = wp_get_post_parent_id() ) 
		wp_safe_redirect( esc_url( get_permalink( $parent_id ) ) );

birgire

<?php
/**
 * Plugin Name: Change the size of the Image preview on the media edit page
 * Author:      Birgir Erlendsson (birgire)
 * Plugin URI:  http://wordpress.stackexchange.com/questions/204280/change-the-size-of-the-image-preview-on-the-media-edit-page
 *
 * ------------------------------------------------------------------------------------
 * Possible workaround, without core modifications,
 * but note that the javascript crop-selection numbers will not be accurate, 
 * when $inf <> 400

birgire

Here we list all do_action, do_action_ref_array, apply_filters and apply_filters_ref_array calls (excluding gettext) for the edit.php (post) screen.php:

---

muplugins_loaded - do_action
pre_site_option_siteurl - apply_filters
default_site_option_siteurl - apply_filters
pre_option_siteurl - apply_filters
option_siteurl - apply_filters
site_option_siteurl - apply_filters

birgire

<?php
/**
 * Plugin Name:       Hueman Theme - Sharrre Sharing Bar On Pages
 * Description:       Add the Hueman theme's sharing-bar to pages. (Fix for those who don't have a recommended child theme)
 * Plugin URI:        https://gist.github.com/birgire/be3dc8174e227233fa70
 * Author:            Birgir Erlendsson (birgire)
 * Author URI:        https://github.com/birgire
 * Version:           0.0.1
 * Licence:           MIT
 */

birgire

<?php
/**
 * Plugin Name:   Single Day Posts Export
 * Plugin URL:    http://wordpress.stackexchange.com/a/199527/26350
 * Plugin Author: Birgir Erlendsson (birgire)
 * Version:       0.0.1
 */

  /**
   * Add our extra HTML

birgire

<?php
/**
 * Plugin Name: 	Field Query
 * Description: 	Support the "field_query" argument in the WP_Query class
 * Plugin URI:  	https://gist.github.com/birgire/ebf79ab6b12258a0e489
 * Plugin Author: 	Birgir Erlendsson (birgire)
 * Version: 		Proposal (2015-07-28)
 **/
 
/**

birgire

<?php
/**
 * Plugin Name:   WooPAM: Woo Product Attributes Modifier
 * Description:   Bulk update 'custom meta product attributes' to 'taxonomy product attributes' in WooCommerce. Supports the GET variables, like: woopam_mode=run&woopam_from_attribute_meta=colour&woopam_to_attribute_tax=pa_colour&woopam_keep_attribute_meta&woopam_posts_per_page=10&woopam_paged=0&woopam_post_type=product&woopam_post_status=any. WARNING: Backup DB first!!!
 * Plugin Author: birgire
 * Author URI:    https://github.com/birgire
 * Plugin URI:	  https://gist.github.com/birgire/0ed300ae4436fcaf508c
 * Version:       1.0.0
 * License:       GPL2+
 * Text Domain:   woopam

birgire

/**
 * Match any numbers in given a meta-key for WP_Query (PHP 5.2+)
 *
 * @see http://wordpress.stackexchange.com/a/177331/26350
 */

! is_admin() && add_filter( 'posts_where', 'wpse_posts_where' );

function wpse_posts_where( $where )
{

birgire

<?php
/**
 * Plugin Name: Simple Redirections
 * Plugin URI:  https://gist.github.com/birgire/b1c8b3b94da4ee2f94ba
 * Author:      Birgir Erlendsson (birgire)
 * Version:     0.0.1
 * Licence:     GPLv2+
 * Description: Redirect to the newest or the latest post with a GET parameter
 */