470 lines
13 KiB
PHP
470 lines
13 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Represents a single shipping zone
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*
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* @class WC_Shipping_Zone
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* @version 2.6.0
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* @package WooCommerce/Classes
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* @category Class
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* @author WooThemes
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*/
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class WC_Shipping_Zone extends WC_Data {
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/**
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* Zone Data
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* @var array
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*/
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protected $_data = array(
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'zone_id' => 0,
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'zone_name' => '',
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'zone_order' => 0,
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'zone_locations' => array()
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);
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/**
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* True when location data needs to be re-saved
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* @var bool
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*/
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private $_locations_changed = false;
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/**
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* Constructor for zones
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* @param int|object $zone Zone ID to load from the DB (optional) or already queried data.
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*/
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public function __construct( $zone = 0 ) {
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if ( is_numeric( $zone ) && ! empty( $zone ) ) {
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$this->read( $zone );
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} elseif ( is_object( $zone ) ) {
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$this->set_zone_id( $zone->zone_id );
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$this->set_zone_name( $zone->zone_name );
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$this->set_zone_order( $zone->zone_order );
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$this->read_zone_locations( $zone->zone_id );
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} elseif ( 0 === $zone ) {
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$this->set_zone_name( __( 'Rest of the World', 'woocommerce' ) );
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$this->read_zone_locations( 0 );
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} else {
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$this->set_zone_name( __( 'Zone', 'woocommerce' ) );
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}
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}
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/**
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* Get ID
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* @return int
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*/
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public function get_id() {
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return $this->get_zone_id();
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}
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/**
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* Insert zone into the database
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*/
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public function create() {
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global $wpdb;
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$wpdb->insert( $wpdb->prefix . 'woocommerce_shipping_zones', array(
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'zone_name' => $this->get_zone_name(),
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'zone_order' => $this->get_zone_order(),
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) );
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$this->set_zone_id( $wpdb->insert_id );
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}
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/**
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* Read zone.
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* @param int ID to read from DB
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*/
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public function read( $id ) {
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global $wpdb;
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if ( $zone_data = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}woocommerce_shipping_zones WHERE zone_id = %d LIMIT 1;", $id ) ) ) {
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$this->set_zone_id( $zone_data->zone_id );
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$this->set_zone_name( $zone_data->zone_name );
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$this->set_zone_order( $zone_data->zone_order );
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$this->read_zone_locations( $zone_data->zone_id );
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}
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}
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/**
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* Update zone in the database
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*/
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public function update() {
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global $wpdb;
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$wpdb->update( $wpdb->prefix . 'woocommerce_shipping_zones', array(
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'zone_name' => $this->get_zone_name(),
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'zone_order' => $this->get_zone_order(),
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), array( 'zone_id' => $this->get_zone_id() ) );
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}
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/**
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* Delete a zone.
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* @since 2.6.0
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*/
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public function delete() {
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if ( $this->get_id() ) {
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global $wpdb;
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$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_methods', array( 'zone_id' => $this->get_id() ) );
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$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_locations', array( 'zone_id' => $this->get_id() ) );
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$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zones', array( 'zone_id' => $this->get_id() ) );
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WC_Cache_Helper::incr_cache_prefix( 'shipping_zones' );
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$this->set_zone_id( 0 );
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}
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}
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/**
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* Save zone data to the database.
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*/
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public function save() {
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$name = $this->get_zone_name();
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if ( empty( $name ) ) {
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$this->set_zone_name( $this->generate_zone_name() );
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}
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if ( ! $this->get_zone_id() ) {
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$this->create();
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} else {
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$this->update();
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}
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$this->save_locations();
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WC_Cache_Helper::incr_cache_prefix( 'shipping_zones' );
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// Increments the transient version to invalidate cache.
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WC_Cache_Helper::get_transient_version( 'shipping', true );
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}
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/**
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* Get zone ID
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* @return int
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*/
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public function get_zone_id() {
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return absint( $this->_data['zone_id'] );
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}
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/**
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* Get zone name
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* @return string
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*/
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public function get_zone_name() {
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return $this->_data['zone_name'];
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}
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/**
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* Get zone order
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* @return int
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*/
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public function get_zone_order() {
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return absint( $this->_data['zone_order'] );
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}
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/**
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* Get zone locations
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* @return array of zone objects
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*/
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public function get_zone_locations() {
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return $this->_data['zone_locations'];
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}
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/**
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* Generate a zone name based on location.
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* @return string
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*/
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protected function generate_zone_name() {
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$zone_name = $this->get_formatted_location();
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if ( empty( $zone_name ) ) {
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$zone_name = __( 'Zone', 'woocommerce' );
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}
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return $zone_name;
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}
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/**
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* Return a text string representing what this zone is for.
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* @return string
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*/
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public function get_formatted_location( $max = 10 ) {
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$location_parts = array();
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$all_continents = WC()->countries->get_continents();
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$all_countries = WC()->countries->get_countries();
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$all_states = WC()->countries->get_states();
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$locations = $this->get_zone_locations();
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$continents = array_filter( $locations, array( $this, 'location_is_continent' ) );
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$countries = array_filter( $locations, array( $this, 'location_is_country' ) );
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$states = array_filter( $locations, array( $this, 'location_is_state' ) );
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$postcodes = array_filter( $locations, array( $this, 'location_is_postcode' ) );
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foreach ( $continents as $location ) {
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$location_parts[] = $all_continents[ $location->code ]['name'];
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}
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foreach ( $countries as $location ) {
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$location_parts[] = $all_countries[ $location->code ];
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}
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foreach ( $states as $location ) {
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$location_codes = explode( ':', $location->code );
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$location_parts[] = $all_states[ $location_codes[ 0 ] ][ $location_codes[ 1 ] ];
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}
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foreach ( $postcodes as $location ) {
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$location_parts[] = $location->code;
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}
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// Fix display of encoded characters.
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$location_parts = array_map( 'html_entity_decode', $location_parts );
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if ( sizeof( $location_parts ) > $max ) {
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$remaining = sizeof( $location_parts ) - $max;
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return sprintf( _n( '%s and %d other region', '%s and %d other regions', $remaining, 'woocommerce' ), implode( ', ', array_splice( $location_parts, 0, $max ) ), $remaining );
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} elseif ( ! empty( $location_parts ) ) {
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return implode( ', ', $location_parts );
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} else {
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return __( 'Everywhere', 'woocommerce' );
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}
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}
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/**
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* Get shipping methods linked to this zone
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* @param bool Only return enabled methods.
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* @return array of objects
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*/
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public function get_shipping_methods( $enabled_only = false ) {
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global $wpdb;
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$raw_methods_sql = $enabled_only ? "SELECT method_id, method_order, instance_id, is_enabled FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d AND is_enabled = 1 order by method_order ASC;" : "SELECT method_id, method_order, instance_id, is_enabled FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d order by method_order ASC;";
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$raw_methods = $wpdb->get_results( $wpdb->prepare( $raw_methods_sql, $this->get_zone_id() ) );
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$wc_shipping = WC_Shipping::instance();
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$allowed_classes = $wc_shipping->get_shipping_method_class_names();
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$methods = array();
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foreach ( $raw_methods as $raw_method ) {
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if ( in_array( $raw_method->method_id, array_keys( $allowed_classes ), true ) ) {
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$class_name = $allowed_classes[ $raw_method->method_id ];
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// The returned array may contain instances of shipping methods, as well
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// as classes. If the "class" is an instance, just use it. If not,
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// create an instance.
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if ( is_object( $class_name ) ) {
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$class_name_of_instance = get_class( $class_name );
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$methods[ $raw_method->instance_id ] = new $class_name_of_instance( $raw_method->instance_id );
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} else {
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// If the class is not an object, it should be a string. It's better
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// to double check, to be sure (a class must be a string, anything)
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// else would be useless
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if ( is_string( $class_name ) && class_exists( $class_name ) ) {
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$methods[ $raw_method->instance_id ] = new $class_name( $raw_method->instance_id );
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}
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}
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// Let's make sure that we have an instance before setting its attributes
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if ( is_object( $methods[ $raw_method->instance_id ] ) ) {
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$methods[ $raw_method->instance_id ]->method_order = absint( $raw_method->method_order );
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$methods[ $raw_method->instance_id ]->enabled = $raw_method->is_enabled ? 'yes' : 'no';
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$methods[ $raw_method->instance_id ]->has_settings = $methods[ $raw_method->instance_id ]->has_settings();
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$methods[ $raw_method->instance_id ]->settings_html = $methods[ $raw_method->instance_id ]->supports( 'instance-settings-modal' ) ? $methods[ $raw_method->instance_id ]->get_admin_options_html() : false;
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}
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}
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}
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return apply_filters( 'woocommerce_shipping_zone_shipping_methods', $methods, $raw_methods, $allowed_classes, $this );
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}
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/**
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* Location type detection
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* @param object $location
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* @return boolean
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*/
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private function location_is_continent( $location ) {
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return 'continent' === $location->type;
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}
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/**
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* Location type detection
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* @param object $location
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* @return boolean
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*/
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private function location_is_country( $location ) {
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return 'country' === $location->type;
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}
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/**
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* Location type detection
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* @param object $location
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* @return boolean
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*/
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private function location_is_state( $location ) {
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return 'state' === $location->type;
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}
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/**
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* Location type detection
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* @param object $location
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* @return boolean
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*/
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private function location_is_postcode( $location ) {
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return 'postcode' === $location->type;
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}
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/**
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* Set zone ID
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* @access private
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* @param int $set
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*/
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private function set_zone_id( $set ) {
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$this->_data['zone_id'] = absint( $set );
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}
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/**
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* Set zone name
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* @param string $set
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*/
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public function set_zone_name( $set ) {
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$this->_data['zone_name'] = wc_clean( $set );
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}
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/**
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* Set zone order
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* @param int $set
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*/
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public function set_zone_order( $set ) {
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$this->_data['zone_order'] = absint( $set );
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}
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/**
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* Is passed location type valid?
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* @param string $type
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* @return boolean
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*/
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public function is_valid_location_type( $type ) {
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return in_array( $type, array( 'postcode', 'state', 'country', 'continent' ) );
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}
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/**
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* Add location (state or postcode) to a zone.
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* @param string $code
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* @param string $type state or postcode
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*/
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public function add_location( $code, $type ) {
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if ( $this->is_valid_location_type( $type ) ) {
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if ( 'postcode' === $type ) {
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$code = trim( strtoupper( str_replace( chr( 226 ) . chr( 128 ) . chr( 166 ), '...', $code ) ) ); // No normalization - postcodes are matched against both normal and formatted versions to support wildcards.
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}
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$location = array(
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'code' => wc_clean( $code ),
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'type' => wc_clean( $type )
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);
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$this->_data['zone_locations'][] = (object) $location;
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$this->_locations_changed = true;
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}
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}
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/**
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* Clear all locations for this zone.
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* @param array|string $types of location to clear
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*/
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public function clear_locations( $types = array( 'postcode', 'state', 'country', 'continent' ) ) {
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if ( ! is_array( $types ) ) {
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$types = array( $types );
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}
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foreach ( $this->_data['zone_locations'] as $key => $values ) {
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if ( in_array( $values->type, $types ) ) {
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unset( $this->_data['zone_locations'][ $key ] );
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$this->_locations_changed = true;
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}
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}
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}
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/**
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* Set locations
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* @param array $locations Array of locations
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*/
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public function set_locations( $locations = array() ) {
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$this->clear_locations();
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foreach ( $locations as $location ) {
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$this->add_location( $location['code'], $location['type'] );
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}
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$this->_locations_changed = true;
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}
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/**
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* Read location data from the database
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* @param int $zone_id
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*/
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private function read_zone_locations( $zone_id ) {
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global $wpdb;
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if ( $locations = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}woocommerce_shipping_zone_locations WHERE zone_id = %d;", $zone_id ) ) ) {
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foreach ( $locations as $location ) {
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$this->add_location( $location->location_code, $location->location_type );
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}
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}
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$this->_locations_changed = false;
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}
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/**
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* Save locations to the DB.
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*
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* This function clears old locations, then re-inserts new if any changes are found.
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*/
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private function save_locations() {
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if ( ! $this->get_zone_id() || ! $this->_locations_changed ) {
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return false;
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}
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global $wpdb;
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$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_locations', array( 'zone_id' => $this->get_zone_id() ) );
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foreach ( $this->get_zone_locations() as $location ) {
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$wpdb->insert( $wpdb->prefix . 'woocommerce_shipping_zone_locations', array(
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'zone_id' => $this->get_zone_id(),
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'location_code' => $location->code,
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'location_type' => $location->type
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) );
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}
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}
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/**
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* Add a shipping method to this zone.
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* @param string $type shipping method type
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* @return int new instance_id, 0 on failure
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*/
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public function add_shipping_method( $type ) {
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global $wpdb;
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$instance_id = 0;
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$wc_shipping = WC_Shipping::instance();
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$allowed_classes = $wc_shipping->get_shipping_method_class_names();
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$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d", $this->get_zone_id() ) );
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if ( in_array( $type, array_keys( $allowed_classes ) ) ) {
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$wpdb->insert(
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$wpdb->prefix . 'woocommerce_shipping_zone_methods',
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array(
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'method_id' => $type,
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'zone_id' => $this->get_zone_id(),
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'method_order' => ( $count + 1 )
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),
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array(
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'%s',
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'%d',
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'%d'
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)
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);
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$instance_id = $wpdb->insert_id;
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}
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if ( $instance_id ) {
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do_action( 'woocommerce_shipping_zone_method_added', $instance_id, $type, $this->get_zone_id() );
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}
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WC_Cache_Helper::get_transient_version( 'shipping', true );
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return $instance_id;
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}
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}
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