bobwol

<?php

function tirarAcentos($string){
  $string =  preg_replace(array("/(á|à|ã|â|ä)/","/(Á|À|Ã|Â|Ä)/","/(é|è|ê|ë)/","/(É|È|Ê|Ë)/","/(í|ì|î|ï)/","/(Í|Ì|Î|Ï)/","/(ó|ò|õ|ô|ö)/","/(Ó|Ò|Õ|Ô|Ö)/","/(ú|ù|û|ü)/","/(Ú|Ù|Û|Ü)/","/(ñ)/","/(Ñ)/","/(ç)/","/(Ç)/"),explode(" ","a A e E i I o O u U n N c C"),$string);
  $char = array(' & ', 'ª ', '  (', ') ', '(', ')', ' - ', ' / ', ' /', '/ ', '/', ' | ', ' |', '| ', ' | ', '|', '_', '.', ' ');
  return strtolower(str_replace($char, '-', $string));

}

bobwol

<?php

/**
 *
 * You can find the complete tutorial for this here:
 * https://pluginrepublic.com/woocommerce-custom-fields
 *
 * Alternatively, check out the plugin
 * https://pluginrepublic.com/wordpress-plugins/woocommerce-product-add-ons-ultimate/
 *

bobwol

<?php

/*
 * Plugin Name:  Example Modify Price
 */
class Example_Modify_Price {
  private static $instance;

	public static function register() {
		if (self::$instance == null) {

bobwol

<?php
add_action( 'user_register', 'add_user_to_sendy_list' );

function add_user_to_sendy_list( $user_id ) {
  $list = 'SENDY_LIST_ID';
  $url  = 'http://SENDY_INSTALL_URL/subscribe';
  $user = get_userdata( $user_id );
  
  $email = $user->data->user_email;
  $name  = $user->data->user_nicename;

bobwol

// Hook in
add_filter( 'woocommerce_checkout_fields' , 'custom_override_checkout_fields' );

// Our hooked in function - $fields is passed via the filter!
function custom_override_checkout_fields( $fields ) {
     $fields['shipping']['shipping_phone'] = array(
        'label'     => __('Phone', 'woocommerce'),
    'placeholder'   => _x('Phone', 'placeholder', 'woocommerce'),
    'required'  => false,
    'class'     => array('form-row-wide'),

bobwol

/**
 * Process the checkout
 */
add_action('woocommerce_checkout_process', 'my_custom_checkout_field_process');

function my_custom_checkout_field_process() {
    // Check if set, if its not set add an error.
    if ( ! $_POST['my_field_name'] )
        wc_add_notice( __( 'Please enter something into this new shiny field.' ), 'error' );
}

bobwol

/**
 * Update the order meta with field value
 */
add_action( 'woocommerce_checkout_update_order_meta', 'my_custom_checkout_field_update_order_meta' );

function my_custom_checkout_field_update_order_meta( $order_id ) {
    if ( ! empty( $_POST['my_field_name'] ) ) {
        update_post_meta( $order_id, 'My Field', sanitize_text_field( $_POST['my_field_name'] ) );
    }
}

bobwol

/**
 * Display field value on the order edit page
 */
add_action( 'woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_meta', 10, 1 );

function my_custom_checkout_field_display_admin_order_meta($order){
    echo '<p><strong>'.__('My Field').':</strong> ' . get_post_meta( $order->id, 'My Field', true ) . '</p>';
}

bobwol

add_filter( 'woocommerce_billing_fields', 'wc_npr_filter_phone', 10, 1 );
function wc_npr_filter_phone( $address_fields ) {
	$address_fields['billing_phone']['required'] = false;
	return $address_fields;
}

bobwol

/* To use: 
1. Add this snippet to your theme's functions.php file
2. Change the meta key names in the snippet
3. Create a custom field in the order post - e.g. key = "Tracking Code" value = abcdefg
4. When next updating the status, or during any other event which emails the user, they will see this field in their email
*/
add_filter('woocommerce_email_order_meta_keys', 'my_custom_order_meta_keys');

function my_custom_order_meta_keys( $keys ) {
     $keys[] = 'Tracking Code'; // This will look for a custom field called 'Tracking Code' and add it to emails