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includes/admin/settings/class-wc-settings-page.php
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254
includes/admin/settings/class-wc-settings-page.php
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<?php
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/**
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* WooCommerce Settings Page/Tab
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*
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* @package WooCommerce\Admin
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* @version 2.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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if ( ! class_exists( 'WC_Settings_Page', false ) ) :
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/**
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* WC_Settings_Page.
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*/
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abstract class WC_Settings_Page {
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/**
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* Setting page id.
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*
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* @var string
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*/
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protected $id = '';
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/**
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* Setting page label.
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*
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* @var string
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*/
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protected $label = '';
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/**
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* Constructor.
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*/
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public function __construct() {
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add_filter( 'woocommerce_settings_tabs_array', array( $this, 'add_settings_page' ), 20 );
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add_action( 'woocommerce_sections_' . $this->id, array( $this, 'output_sections' ) );
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add_action( 'woocommerce_settings_' . $this->id, array( $this, 'output' ) );
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add_action( 'woocommerce_settings_save_' . $this->id, array( $this, 'save' ) );
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}
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/**
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* Get settings page ID.
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*
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* @since 3.0.0
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* @return string
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*/
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public function get_id() {
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return $this->id;
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}
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/**
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* Get settings page label.
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*
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* @since 3.0.0
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* @return string
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*/
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public function get_label() {
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return $this->label;
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}
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/**
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* Add this page to settings.
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*
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* @param array $pages The setings array where we'll add ourselves.
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*
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* @return mixed
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*/
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public function add_settings_page( $pages ) {
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$pages[ $this->id ] = $this->label;
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return $pages;
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}
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/**
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* Get settings array for the default section.
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*
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* External settings classes (registered via 'woocommerce_get_settings_pages' filter)
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* might have redefined this method as "get_settings($section_id='')", thus we need
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* to use this method internally instead of 'get_settings_for_section' to register settings
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* and render settings pages.
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*
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* *But* we can't just redefine the method as "get_settings($section_id='')" here, since this
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* will break on PHP 8 if any external setting class have it as 'get_settings()'.
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*
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* Thus we leave the method signature as is and use 'func_get_arg' to get the setting id
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* if it's supplied, and we use this method internally; but it's deprecated and should
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* otherwise never be used.
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*
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* @deprecated 5.4.0 Use 'get_settings_for_section' (passing an empty string for default section)
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*
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* @return array Settings array, each item being an associative array representing a setting.
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*/
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public function get_settings() {
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$section_id = 0 === func_num_args() ? '' : func_get_arg( 0 );
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return $this->get_settings_for_section( $section_id );
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}
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/**
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* Get settings array.
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*
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* The strategy for getting the settings is as follows:
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*
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* - If a method named 'get_settings_for_{section_id}_section' exists in the class
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* it will be invoked (for the default '' section, the method name is 'get_settings_for_default_section').
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* Derived classes can implement these methods as required.
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*
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* - Otherwise, 'get_settings_for_section_core' will be invoked. Derived classes can override it
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* as an alternative to implementing 'get_settings_for_{section_id}_section' methods.
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*
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* @param string $section_id The id of the section to return settings for, an empty string for the default section.
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*
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* @return array Settings array, each item being an associative array representing a setting.
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*/
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final public function get_settings_for_section( $section_id ) {
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if ( '' === $section_id ) {
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$method_name = 'get_settings_for_default_section';
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} else {
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$method_name = "get_settings_for_{$section_id}_section";
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}
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if ( method_exists( $this, $method_name ) ) {
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$settings = $this->$method_name();
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} else {
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$settings = $this->get_settings_for_section_core( $section_id );
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}
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return apply_filters( 'woocommerce_get_settings_' . $this->id, $settings, $section_id );
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}
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/**
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* Get the settings for a given section.
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* This method is invoked from 'get_settings_for_section' when no 'get_settings_for_{current_section}_section'
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* method exists in the class.
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*
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* When overriding, note that the 'woocommerce_get_settings_' filter must NOT be triggered,
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* as this is already done by 'get_settings_for_section'.
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*
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* @param string $section_id The section name to get the settings for.
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*
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* @return array Settings array, each item being an associative array representing a setting.
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*/
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protected function get_settings_for_section_core( $section_id ) {
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return array();
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}
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/**
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* Get all sections for this page, both the own ones and the ones defined via filters.
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*
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* @return array
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*/
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public function get_sections() {
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$sections = $this->get_own_sections();
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return apply_filters( 'woocommerce_get_sections_' . $this->id, $sections );
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}
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/**
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* Get own sections for this page.
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* Derived classes should override this method if they define sections.
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* There should always be one default section with an empty string as identifier.
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*
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* Example:
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* return array(
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* '' => __( 'General', 'woocommerce' ),
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* 'foobars' => __( 'Foos & Bars', 'woocommerce' ),
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* );
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*
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* @return array An associative array where keys are section identifiers and the values are translated section names.
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*/
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protected function get_own_sections() {
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return array( '' => __( 'General', 'woocommerce' ) );
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}
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/**
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* Output sections.
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*/
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public function output_sections() {
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global $current_section;
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$sections = $this->get_sections();
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if ( empty( $sections ) || 1 === count( $sections ) ) {
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return;
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}
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echo '<ul class="subsubsub">';
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$array_keys = array_keys( $sections );
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foreach ( $sections as $id => $label ) {
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$url = admin_url( 'admin.php?page=wc-settings&tab=' . $this->id . '§ion=' . sanitize_title( $id ) );
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$class = ( $current_section === $id ? 'current' : '' );
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$separator = ( end( $array_keys ) === $id ? '' : '|' );
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$text = esc_html( $label );
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echo "<li><a href='$url' class='$class'>$text</a> $separator </li>"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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echo '</ul><br class="clear" />';
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}
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/**
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* Output the HTML for the settings.
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*/
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public function output() {
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global $current_section;
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// We can't use "get_settings_for_section" here
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// for compatibility with derived classes overriding "get_settings".
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$settings = $this->get_settings( $current_section );
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WC_Admin_Settings::output_fields( $settings );
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}
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/**
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* Save settings and trigger the 'woocommerce_update_options_'.id action.
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*/
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public function save() {
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$this->save_settings_for_current_section();
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$this->do_update_options_action();
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}
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/**
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* Save settings for current section.
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*/
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protected function save_settings_for_current_section() {
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global $current_section;
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// We can't use "get_settings_for_section" here
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// for compatibility with derived classes overriding "get_settings".
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$settings = $this->get_settings( $current_section );
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WC_Admin_Settings::save_fields( $settings );
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}
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/**
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* Trigger the 'woocommerce_update_options_'.id action.
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*
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* @param string $section_id Section to trigger the action for, or null for current section.
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*/
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protected function do_update_options_action( $section_id = null ) {
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global $current_section;
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if ( is_null( $section_id ) ) {
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$section_id = $current_section;
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}
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if ( $section_id ) {
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do_action( 'woocommerce_update_options_' . $this->id . '_' . $section_id );
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}
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}
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}
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endif;
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