mrkkr

<?php
/**
 * Custom menu generator
 */
function generateTreeNavwalker(array &$menuItems, $parentId = 0) {
	$branch = array();
	foreach ($menuItems as &$item) {
		if ($item->menu_item_parent == $parentId) {
			$children = generateTreeNavwalker($menuItems, $item->ID);
			if ($children) {

mrkkr

<?php

function additional_active_item_classes( $classes = array(), $menu_item = false ) {
    // custom taxonomy
    if ( $menu_item->title == 'Custom Tax Name Page' && is_tax('custom_tax') ) {
        $classes[] = 'current-menu-item';
    }
    // custom post type single
    if ( $menu_item->title == 'Custom Post Type Page' && is_singular('products') ) {
        $classes[] = 'current-menu-item';

mrkkr

<?php
$args = array('cat' => 'home','post_type' => 'post'));
$post_obj = new WP_Query($args);
while($post_obj->have_posts() ) : $post_obj->the_post();
    //display comments
    $comments = get_comments(array(
        'post_id' => $post->ID,
        'number' => '2' ));
    foreach($comments as $comment) {
        //format comments

mrkkr

UPDATE wp_options SET option_value = replace(option_value, 'OLD URL', 'NEW URL') WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET post_content = replace(post_content, 'OLD URL', 'NEW URL');
UPDATE wp_postmeta SET meta_value = replace(meta_value,'OLD URL','NEW URL');
UPDATE wp_usermeta SET meta_value = replace(meta_value, 'OLD URL','NEW URL');
UPDATE wp_links SET link_url = replace(link_url, 'OLD URL','NEW URL');
UPDATE wp_comments SET comment_content = replace(comment_content , 'OLD URL','NEW URL');
UPDATE wp_posts SET post_content = replace(post_content, 'OLD URL', 'NEW URL');
UPDATE wp_links SET link_image = replace(link_image, 'OLD URL','NEW URL');
UPDATE wp_posts SET guid = replace(guid, 'OLD URL','NEW URL');

mrkkr

<?php
/* Add custom column */
function woo_add_user_nip_column( $columns ) { // e.g. NIP

	$columns['billing_company_nip'] = __( 'NIP', 'theme' );
	return $columns;

} 
add_filter( 'manage_users_columns', 'woo_add_user_nip_column' );

mrkkr

<?php
  /// without prefix
  $current_url = "//" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

  /// with prefix
  global $wp;
  $current_url = home_url( add_query_arg( array(), $wp->request ) );

mrkkr

<?php 
function my_nav_wrap() {
  // default value of 'items_wrap' is <ul id="%1$s" class="%2$s">%3$s</ul>'
  ob_start();
  the_widget( 'WC_Widget_Product_Search' ); //in this case I need WC widget
  $widget = ob_get_clean();

  // open the <ul>, set 'menu_class' and 'menu_id' values
  $wrap  = '<ul id="%1$s" class="%2$s">';

mrkkr

<?php

function displayLocationDropdown() {

  $html = '';
	$html .= '<form class="location-select" method="post">';
	$html .= '<select id="location-selector" name="location" class="location">';
	
	$tag = wp_tag_cloud( array(
		'format' => 'array',

mrkkr

<?php 
/* hide uncategorized product category */
add_filter( 'woocommerce_product_categories_widget_args', 'custom_woocommerce_product_subcategories_args' );
function custom_woocommerce_product_subcategories_args( $args ) {

	$args['exclude'] = get_option( 'default_product_cat' );
	return $args;
	
}

mrkkr

<?php
/* add custom items to primary menu */
add_filter('wp_nav_menu_items','add_search_box_to_menu', 10, 2);
function add_search_box_to_menu( $items, $args ) {
    if( $args->theme_location == 'primary' ) /* ID of menu */
	     return $items.'CUSTOM THINGS';
    return $items;
}