chrisguitarguy

<?php
/*
Plugin Name: Add Extra Comment Fields
Plugin URI: http://pmg.co/category/wordpress
Description: An example of how to add, save and edit extra comment fields in WordPress
Version: n/a
Author: Christopher Davis
Author URI: http://pmg.co/people/chris
License: MIT
*/

mikeschinkel

<?php
/*
 * Code Examples for Master WordPress Custom Post Types - WordCamp Atlanta 2012 
 *
 * Author: Mike Schinkel
 * Author URI: http://about.me/mikeschinkel 
 *
 */
add_action( 'init', 'mikes_theme_init' );
function mikes_theme_init() {

daltonrooney

<?php /* This function attaches the image to the post in the database, add it to functions.php */

function insert_attachment($file_handler,$post_id,$setthumb='false') {

  // check to make sure its a successful upload
  if ($_FILES[$file_handler]['error'] !== UPLOAD_ERR_OK) __return_false();

  require_once(ABSPATH . "wp-admin" . '/includes/image.php');
  require_once(ABSPATH . "wp-admin" . '/includes/file.php');
  require_once(ABSPATH . "wp-admin" . '/includes/media.php');

lancejpollard

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta name="keywords" content="your, tags"/>
<meta name="description" content="150 words"/>
<meta name="subject" content="your website's subject">
<meta name="copyright"content="company name">
<meta name="language" content="ES">

luetkemj

// This gist is now maintained on github at https://github.com/luetkemj/wp-query-ref

<?php
/**
* WordPress Query Comprehensive Reference
* Compiled by luetkemj - luetkemj.github.io
*
* CODEX: http://codex.wordpress.org/Class_Reference/WP_Query#Parameters
* Source: https://core.trac.wordpress.org/browser/tags/4.9.4/src/wp-includes/query.php
*/

markreale

/****************************************************************
*                                                               *
*  Conditional statement to retrieve content based on the       *
*  existence of a Custom Field.                                 *
*  If the Custom Field exists, display the content of the       *
*  Custom Field (can be adjusted to display alternate content). *
*                                                               *
****************************************************************/

// Check for existence of content in that custom field

foxinni

<?php
/* 
Background: My company post type needed a filter added via the 'restrict_manage_posts' action, and I needed to modify the wp_dropdown_categories to output the taxonomy slug into the <option value="..."> instead of the taxonomy ID. The taxonomy being 'industry'. 

The SH_Walker_TaxonomyDropdown() can be found here: https://gist.github.com/2902509
*/

 function restrict_listings_by_taxonomy() {
    global $typenow;
    global $wp_query;

i-like-robots

<?php
	/**
	 * Comment form hidden fields
	 */
	function comment_form_hidden_fields()
	{
		comment_id_fields();

		if ( current_user_can( 'unfiltered_html' ) )
		{

arod2634

<?php
//Add a custom admin dashboard welcome widget
function custom_dashboard_widget() {
	echo '<h1>Welcome to your new WordPress site built by an awesome developer</h1>';
}
function add_custom_dashboard_widget() {
	wp_add_dashboard_widget('custom_dashboard_widget', 'Integrity Welcomes You To WordPress!', 'custom_dashboard_widget');
}
add_action('wp_dashboard_setup', 'add_custom_dashboard_widget');

melissacabral

<?php 
/**
 * Dimox Breadcrumbs
 * http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
 * Since ver 1.0
 * Add this to any template file by calling dimox_breadcrumbs()
 * Changes: MC added taxonomy support
 */
function dimox_breadcrumbs(){
  /* === OPTIONS === */