Snippets – Mike Jolley

February 7, 2018

WooCommerce 3.3 – Hide uncategorized category from the shop page on the frontend

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_filter( 'woocommerce_product_subcategories_args', 'custom_woocommerce_product_subcategories_args' );

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

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functions.php

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May 16, 2017

	<?php
	/**
	* Plugin Name: Double serialized attributes fixer
	* Description: Adds a tool to fix double serialized attributes in WooCommerce.
	* Version: 0.0.9
	* Author: Mike J
	* Requires at least: 4.4
	* Tested up to: 4.7
	*/
	if ( ! defined( 'ABSPATH' ) ) {
	exit;
	}

	add_filter( 'woocommerce_debug_tools', 'double_serialized_attributes_fixer_tool' );

	function double_serialized_attributes_fixer_tool( $tools ) {
	$tools[ 'double_serialized_attributes_fixer' ] = array(
	'name' => 'Double-serialized attributes',
	'button' => 'Fix double-serialized attributes',
	'desc' => 'This tool will attept to fix all double-serialized attributes for products.',
	'callback' => 'double_serialized_attributes_fixer',
	);
	return $tools;
	}

	// Fixes double-serialised values – #14824.
	function double_serialized_attributes_fixer() {
	global $wpdb;

	$product_ids = wp_parse_id_list( $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_type = 'product';" ) );

	foreach ( $product_ids as $product_id ) {
	$attributes = get_post_meta( $product_id, '_product_attributes', true );

	if ( is_serialized( $attributes ) ) {
	$attributes = maybe_unserialize( $attributes );
	update_post_meta( $product_id, '_product_attributes', $attributes );
	}
	}
	}

April 7, 2017

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_filter( 'woocommerce_defer_transactional_emails', '__return_false' );

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functions.php

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February 10, 2017

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_action( 'woocommerce_created_customer', 'woocommerce_created_customer_admin_notification' );

	function woocommerce_created_customer_admin_notification( $customer_id ) {
	wp_send_new_user_notifications( $customer_id, 'admin' );
	}

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functions.php

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July 21, 2016

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_filter( 'woocommerce_get_price_suffix', 'custom_woocommerce_get_price_suffix', 10, 2 );

	function custom_woocommerce_get_price_suffix( $price_display_suffix, $product ) {
	if ( ! $product->is_taxable() ) {
	return '';
	}
	return $price_display_suffix;
	}

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functions.php

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July 2, 2016

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_action( 'template_redirect', 'redirect_external_products' );

	function redirect_external_products() {
	global $post;

	if ( is_singular( 'product' ) && ! empty( $post ) && ( $product = wc_get_product( $post ) ) && $product->is_type( 'external' ) ) {
	wp_redirect( $product->get_product_url() );
	exit;
	}
	}

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functions.php

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June 30, 2016

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	*/
	add_filter( 'woocommerce_get_order_item_totals', 'custom_woocommerce_get_order_item_totals' );

	function custom_woocommerce_get_order_item_totals( $totals ) {
	unset( $totals['payment_method'] );
	return $totals;
	}

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gistfile1.txt

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June 17, 2016

	<?php
	/**
	* Hide shipping rates when free shipping is available.
	* Updated to support WooCommerce 2.6 Shipping Zones.
	*
	* @param array $rates Array of rates found for the package.
	* @return array
	*/
	function my_hide_shipping_when_free_is_available( $rates ) {
	$free = array();

	foreach ( $rates as $rate_id => $rate ) {
	if ( 'free_shipping' === $rate->method_id ) {
	$free[ $rate_id ] = $rate;
	break;
	}
	}

	return ! empty( $free ) ? $free : $rates;
	}

	add_filter( 'woocommerce_package_rates', 'my_hide_shipping_when_free_is_available', 100 );

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functions.php

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May 31, 2016

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php.
	* Product must have upsells, and this works with simple products only.
	* Example link: yoursite.com?add-upsells-to-cart=X, X being your product ID.
	*/
	add_action( 'wp_loaded', 'bulk_upsell_add_to_cart_action', 20 );

	function bulk_upsell_add_to_cart_action() {
	if ( ! empty( $_GET['add-upsells-to-cart'] ) ) {
	$product_id = absint( $_GET['add-upsells-to-cart'] );
	$product = wc_get_product( $product_id );

	if ( $product ) {
	$upsell_ids = $product->get_upsells();

	if ( $upsell_ids ) {
	$count = 0;

	foreach ( $upsell_ids as $upsell_id ) {
	if ( WC()->cart->add_to_cart( $upsell_id ) ) {
	$count ++;
	}
	}

	wc_add_notice( sprintf( _n( 'Added %d item to the cart', 'Added %d items to the cart', $count ), $count ) );
	}
	}
	}
	}

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gistfile1.txt

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May 24, 2016

	<?php // Do not include this if already open!

	/**
	* Code goes in theme functions.php. Free Shipping Method must be enabled.
	*/
	add_filter( 'woocommerce_shipping_free_shipping_is_available', 'free_shipping_based_on_cart_shipping_class' );

	function free_shipping_based_on_cart_shipping_class( $is_available ) {

	/**
	* This example enables free shipping only when an item is found in the cart with a class named 'free_shipping'
	*/
	$cart_items = WC()->cart->get_cart();
	$found = false;

	foreach ( $cart_items as $cart_item ) {
	$product = $cart_item['data'];
	$class = $product->get_shipping_class();

	if ( 'free_shipping' === $class ) {
	$found = true;
	break;
	}
	}

	return $is_available && $found;
	}

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functions.php

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