skydriver

<?php
global $wpdb;

$first_char = esc_attr($_GET[$search_key]);

$postids = $wpdb->get_col($wpdb->prepare("
	SELECT      ID
	FROM        $wpdb->posts
	WHERE       SUBSTR($wpdb->posts.post_title,1,1) = %s
	AND 		$wpdb->posts.post_type = 'product'

qutek

<?php
/**
 * WooCommerce Ajax Handlers
 *
 * Handles AJAX requests via wp_ajax hook (both admin and front-end events)
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/** Frontend AJAX events **************************************************/

umidjons

Handle paste and drop events on jQuery

Imagine we have .myinput input field, that we should process its value after text pasted into it. We can't access value in paste directly, so we should wait some time. For that purpose one can use setTimeout function. Here is example how to correctly handle paste event.

jQuery(document).ready(function($){

m1r0

<?php

/**
 * Insert an attachment from a URL address.
 *
 * @param  string   $url            The URL address.
 * @param  int|null $parent_post_id The parent post ID (Optional).
 * @return int|false                The attachment ID on success. False on failure.
 */
function wp_insert_attachment_from_url( $url, $parent_post_id = null ) {

ccurtin

Make PHP data available in javascript files for Wordpress using wp_localize_script();

[http://codex.wordpress.org/Function_Reference/wp_localize_script] [http://stackoverflow.com/questions/6808221/php-within-js-file-wordpress]

Usage

<?php wp_localize_script( $handle, $name, $data ); ?> 

taufik-nurrohman

<?php

// Based on <https://github.com/mecha-cms/x.minify>

namespace x\minify\_ { // start namespace

$n = __NAMESPACE__;

\define($n . "\\token_boolean", '\b(?:true|false)\b');
\define($n . "\\token_number", '-?(?:(?:\d+)?\.)?\d+');

fdaciuk

<?php
add_filter( 'user_contactmethods', 'add_new_user_fields' );

function add_new_user_fields( $user_contact ) {
  $user_contact[ 'billing_cel_phone' ] = 'Celular';
  return $user_contact;
}

DevinWalker

<?php
/*
 * Plugin Name: CMB2 Custom Field Type - Address
 * Description: Makes available an 'address' CMB2 Custom Field Type. Based on https://github.com/WebDevStudios/CMB2/wiki/Adding-your-own-field-types#example-4-multiple-inputs-one-field-lets-create-an-address-field
 * Author: jtsternberg
 * Author URI: http://dsgnwrks.pro
 * Version: 0.1.0
 */

/**

ovizii

function wpr_snap($atts, $content = null) {
        extract(shortcode_atts(array(
            "snap" => 'http://s.wordpress.com/mshots/v1/',
            "url" => 'http://www.sagive.co.il',
            "alt" => 'My image',
            "w" => '400', // width
            "h" => '300' // height
        ), $atts));

    $img = '<img src="' . $snap . '' . urlencode($url) . '?w=' . $w . '&h=' . $h . '" alt="' . $alt . '"/>';

neilgee

<?php

add_filter( 'woocommerce_checkout_fields' , 'virtual_products_less_fields' );
/**
 * WooCommerce Remove Address Fields from checkout based on presence of virtual products in cart
 * @link https://www.skyverge.com/blog/checking-woocommerce-cart-contains-product-category/
 * @link https://docs.woothemes.com/document/tutorial-customising-checkout-fields-using-actions-and-filters/
 * @link https://businessbloomer.com/woocommerce-hide-checkout-billing-fields-if-virtual-product-cart/
 */