kane-c

<?php
// Force pickup as a shipping option if one or more products in the catalog is marked as pickup only.
// To do this, add a shipping class with the slug 'pickup-only' then set products with that class as required.
// Add this script to your theme's functions.php or similar.

function hideShippingWhenPickupRequired($rates, $package)
{
    foreach ($package['contents'] as $item) {
        $product = $item['data'];
        $shippingClass = $product->get_shipping_class();

jameslaws

<?php

function nfjal_open_field_group( $field_id, $data ) {
	if ( !$class = $data['class'] ) {
		$class = '';
	}
	if ( strstr( $class, 'nf-open-field-group' ) ) {
		$class =  nfjal_get_group_wrap_class( $class );
		echo '<div class="' . $class . '">';
	}

grtaylor2

/*Stylesheet cleaned up and organized by Marketing Press*/

.clear {
clear:both
}

.nobr { 
white-space:nowrap;
}

mbijon

function check_post_type_and_remove_media_buttons() {
	global $current_screen;
        // use 'post', 'page' or 'custom-post-type-name'
	if( 'post' == $current_screen->post_type ) add_action( 'media_buttons_context' , create_function('', 'return;') );
}
add_action('admin_head','check_post_type_and_remove_media_buttons');

joyrexus

Sans jQuery

Events

// jQuery
$(document).ready(function() {
  // code
})

afgomez

/**
 * ValidateSpanishID. Returns the type of document and checks its validity.
 * 
 * Usage:
 *     ValidateSpanishID( str );
 * 
 *     > ValidateSpanishID( '12345678Z' );
 *     // { type: 'dni', valid: true }
 *     
 *     > ValidateSpanishID( 'B83375575' );

glueckpress

/*! = $rembase: 14px
--------------------------------------------------------------
* hmtl { font-size: 87.5%; }
* body { font-size: 14px; font-size: 1rem; line-height: 1; }
* 4px    	0.28571429rem
* 8px		0.571428571rem
* 12px		0.857142857rem
* 13px		0.928571429rem
* 14px		1rem
* 16px		1.142857143rem

annalinneajohansson

<?php
# http://kovshenin.com/2012/the-wordpress-settings-api/
# http://codex.wordpress.org/Settings_API

add_action( 'admin_menu', 'my_admin_menu' );
function my_admin_menu() {
    add_options_page( __('My Plugin Options', 'textdomain' ), __('My Plugin Options', 'textdomain' ), 'manage_options', 'my-plugin', 'my_options_page' );
}
add_action( 'admin_init', 'my_admin_init' );

trepmal

<?php
/*
Plugin Name: Multiple Featured Images
Description: NOT production ready. May cause tears.
Version: 2012.12.13
Author: Kailey Lampert
Author URI: kaileylampert.com
*/

new MFI_Meta_Box( 'derp', 'Derp Image', '200', '400', 'post' );

thefuxia

<?php # -*- coding: utf-8 -*-
/**
 * Plugin Name: Plugin Class Demo
 * Description: How I am using the base class in plugins.
 * Plugin URI:
 * Version:     2012.09.29
 * Author:      Fuxia Scholz
 * License:     GPL
 * Text Domain: plugin_unique_name
 * Domain Path: /languages