SirDarcanos

<?php
add_action( 'woocommerce_email_header', 'add_email_header', 20 );
function add_email_header() {
    echo '<h2>My Heading</h2>';
    echo '<p>Add content here</p>';
}

SirDarcanos

{
  "product": {
    "title": "Premium Quality",
    "type": "simple",
    "regular_price": "21.99",
    "description": "Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.",
    "short_description": "Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas.",
    "categories": [
      9,
      14

SirDarcanos

{
  "product": {
    "stock_quantity": 2
  }
}

SirDarcanos

{
    "product": {
        "title": "Premium Quality",
        "id": 3487,
        "created_at": "2017-11-09T06:20:05Z",
        "updated_at": "2017-11-09T06:20:05Z",
        "type": "simple",
        "status": "publish",
        "downloadable": false,
        "virtual": false,

SirDarcanos

<?php
add_filter( 'body_class', 'add_preorder_class' );
add_filter( 'post_class', 'add_preorder_class' );
function add_preorder_class( $classes ) {
	global $post;

	$product = wc_get_product( $post->ID );
	if ( $product && 'yes' === get_post_meta( $product->get_id(), '_wc_pre_orders_enabled', true ) ) {
		$classes[] = 'pre-order';
	}

SirDarcanos

<?php
function wc_pdf_watermark_extend_template_tags( $parsed_text, $unparsed_text, $order, $product ) {
	// Look for {product_title} in text and replace it with the product title
	$parsed_text = str_replace( '{product_title}', $product->get_title(), $parsed_text );
	return $parsed_text;
}
add_filter( 'woocommerce_pdf_watermark_parse_template_tags', 'wc_pdf_watermark_extend_template_tags', 10, 4 );

SirDarcanos

<?php
/**
 * Sets the product default price to 10. Only works once, if the price is not specified.
 *
 * @param int    $post_id
 * @param object $post
 */
function set_product_default_price( $post_id, $post ) {
	$product     = wc_get_product( $post_id );
	$already_set = get_post_meta( $post_id, '_set_default_price', true );

SirDarcanos

<?php
/**
  * Display the theme credit
  *
  * @since  1.0.0
  * @return void
  */
 function storefront_credit() {
	 ?>
	 <div class="site-info">

SirDarcanos

add_action( 'init', 'custom_init', 999 );
function custom_init() {
	$order = wc_get_order( 123 );
	$order->set_payment_method_title( 'Credit Card' );
}

SirDarcanos

add_filter( 'woocommerce_get_script_data', 'my_strength_meter_custom_strings', 10, 2 );
function my_strength_meter_custom_strings( $data, $handle ) {
	if ( 'wc-password-strength-meter' === $handle ) {
	    $data_new = array(
	        'i18n_password_error'   => esc_attr__( 'Come on, enter a stronger password.', 'theme-domain' ),
	        'i18n_password_hint'    => esc_attr__( 'The password should be at least seven characters long.', 'theme-domain' )
	    );

		$data = array_merge( $data, $data_new );
	}