<?php

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/**

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* WPSEO plugin file.

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*

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* @package WPSEO\Admin

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*/

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use Yoast\WP\SEO\Presenters\Admin\Light_Switch_Presenter;

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use Yoast\WP\SEO\Presenters\Admin\Sidebar_Presenter;

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/**

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* Admin form class.

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*

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* @since 2.0

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*/

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class Yoast_Form {

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/**

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* Instance of this class

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*

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* @var Yoast_Form

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* @since 2.0

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*/

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public static $instance;

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/**

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* The short name of the option to use for the current page.

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*

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* @var string

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* @since 2.0

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*/

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public $option_name;

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/**

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* Option instance.

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*

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* @since 8.4

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* @var WPSEO_Option|null

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*/

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protected $option_instance = null;

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/**

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* Get the singleton instance of this class.

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*

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* @since 2.0

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*

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* @return Yoast_Form

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*/

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public static function get_instance() {

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if ( ! ( self::$instance instanceof self ) ) {

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self::$instance = new self();

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}

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return self::$instance;

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}

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/**

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* Generates the header for admin pages.

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*

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* @since 2.0

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*

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* @param bool $form Whether or not the form start tag should be included.

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* @param string $option The short name of the option to use for the current page.

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* @param bool $contains_files Whether the form should allow for file uploads.

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* @param bool $option_long_name Group name of the option.

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*

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* @return void

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*/

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public function admin_header( $form = true, $option = 'wpseo', $contains_files = false, $option_long_name = false ) {

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if ( ! $option_long_name ) {

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$option_long_name = WPSEO_Options::get_group_name( $option );

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}

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?>

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<div class="wrap yoast wpseo-admin-page <?php echo esc_attr( 'page-' . $option ); ?>">

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<?php

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/**

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* Display the updated/error messages.

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* Only needed as our settings page is not under options, otherwise it will automatically be included.

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*

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* @see settings_errors()

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*/

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require_once ABSPATH . 'wp-admin/options-head.php';

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?>

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<h1 id="wpseo-title"><?php echo esc_html( get_admin_page_title() ); ?></h1>

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<div id="yst-settings-header-root"></div>

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<div class="wpseo_content_wrapper">

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<div class="wpseo_content_cell" id="wpseo_content_top">

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<?php

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if ( $form === true ) {

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$enctype = ( $contains_files ) ? ' enctype="multipart/form-data"' : '';

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$network_admin = new Yoast_Network_Admin();

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if ( $network_admin->meets_requirements() ) {

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$action_url = network_admin_url( 'settings.php' );

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$hidden_fields_cb = [ $network_admin, 'settings_fields' ];

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}

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else {

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$action_url = admin_url( 'options.php' );

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$hidden_fields_cb = 'settings_fields';

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}

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echo '<form action="'

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. esc_url( $action_url )

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. '" method="post" id="wpseo-conf"'

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. $enctype . ' accept-charset="' // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- nothing to escape.

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. esc_attr( get_bloginfo( 'charset' ) )

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. '" novalidate="novalidate">';

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call_user_func( $hidden_fields_cb, $option_long_name );

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}

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$this->set_option( $option );

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}

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/**

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* Set the option used in output for form elements.

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*

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* @since 2.0

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*

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* @param string $option_name Option key.

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*

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* @return void

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*/

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public function set_option( $option_name ) {

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$this->option_name = $option_name;

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$this->option_instance = WPSEO_Options::get_option_instance( $option_name );

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if ( ! $this->option_instance ) {

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$this->option_instance = null;

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}

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}

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/**

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* Generates the footer for admin pages.

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*

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* @since 2.0

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*

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* @param bool $submit Whether or not a submit button and form end tag should be shown.

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* @param bool $show_sidebar Whether or not to show the banner sidebar - used by premium plugins to disable it.

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*

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* @return void

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*/

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public function admin_footer( $submit = true, $show_sidebar = true ) {

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if ( $submit ) {

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$settings_changed_listener = new WPSEO_Admin_Settings_Changed_Listener();

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echo '<div id="wpseo-submit-container">';

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echo '<div id="wpseo-submit-container-float" class="wpseo-admin-submit">';

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submit_button( __( 'Save changes', 'wordpress-seo' ) );

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$settings_changed_listener->show_success_message();

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echo '</div>';

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echo '<div id="wpseo-submit-container-fixed" class="wpseo-admin-submit wpseo-admin-submit-fixed" style="display: none;">';

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submit_button( __( 'Save changes', 'wordpress-seo' ) );

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$settings_changed_listener->show_success_message();

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echo '</div>';

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echo '</div>';

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echo '

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</form>';

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}

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/**

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* Apply general admin_footer hooks.

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*/

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do_action( 'wpseo_admin_footer', $this );

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/**

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* Run possibly set actions to add for example an i18n box.

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*/

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do_action( 'wpseo_admin_promo_footer' );

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echo '

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</div><!-- end of div wpseo_content_top -->';

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if ( $show_sidebar ) {

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$this->admin_sidebar();

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}

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echo '</div><!-- end of div wpseo_content_wrapper -->';

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do_action( 'wpseo_admin_below_content', $this );

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echo '

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</div><!-- end of wrap -->';

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}

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/**

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* Generates the sidebar for admin pages.

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*

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* @since 2.0

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*

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* @return void

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*/

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public function admin_sidebar() {

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// No banners in Premium.

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$addon_manager = new WPSEO_Addon_Manager();

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if ( YoastSEO()->helpers->product->is_premium() && $addon_manager->has_valid_subscription( WPSEO_Addon_Manager::PREMIUM_SLUG ) ) {

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return;

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}

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$sidebar_presenter = new Sidebar_Presenter();

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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output escaped in presenter.

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echo $sidebar_presenter->present();

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}

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/**

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* Output a label element.

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*

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* @since 2.0

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*

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* @param string $text Label text string, which can contain escaped html.

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* @param array $attr HTML attributes set.

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*

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* @return void

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*/

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public function label( $text, $attr ) {

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$defaults = [

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'class' => 'checkbox',

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'close' => true,

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'for' => '',

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'aria_label' => '',

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];

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$attr = wp_parse_args( $attr, $defaults );

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$aria_label = '';

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if ( $attr['aria_label'] !== '' ) {

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$aria_label = ' aria-label="' . esc_attr( $attr['aria_label'] ) . '"';

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}

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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- output escaped before. Specifically, the $text variable can contain escaped html.

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echo "<label class='" . esc_attr( $attr['class'] ) . "' for='" . esc_attr( $attr['for'] ) . "'$aria_label>$text";

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if ( $attr['close'] ) {

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echo '</label>';

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}

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}

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/**

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* Output a legend element.

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*

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* @since 3.4

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*

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* @param string $text Legend text string.

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* @param array $attr HTML attributes set.

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*

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* @return void

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*/

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public function legend( $text, $attr ) {

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$defaults = [

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'id' => '',

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'class' => '',

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];

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$attr = wp_parse_args( $attr, $defaults );

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$id = ( $attr['id'] === '' ) ? '' : ' id="' . esc_attr( $attr['id'] ) . '"';

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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- output escaped before.

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echo '<legend class="' . esc_attr( 'yoast-form-legend ' . $attr['class'] ) . '"' . $id . '>' . $text . '</legend>';

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}

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/**

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* Create a Checkbox input field.

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*

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* @since 2.0

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*

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* @param string $variable The variable within the option to create the checkbox for.

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* @param string $label The label to show for the variable.

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* @param bool $label_left Whether the label should be left (true) or right (false).

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* @param array $attr Extra attributes to add to the checkbox.

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*

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* @return void

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*/

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public function checkbox( $variable, $label, $label_left = false, $attr = [] ) {

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$val = $this->get_field_value( $variable, false );

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$defaults = [

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'disabled' => false,

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];

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$attr = wp_parse_args( $attr, $defaults );

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if ( $val === true ) {

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$val = 'on';

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}

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$class = '';

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if ( $label_left !== false ) {

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$this->label( $label_left, [ 'for' => $variable ] );

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}

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else {

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$class = 'double';

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}

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$disabled_attribute = $this->get_disabled_attribute( $variable, $attr );

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// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: $disabled_attribute output is hardcoded and all other output is properly escaped.

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echo '<input class="', esc_attr( 'checkbox ' . $class ), '" type="checkbox" id="', esc_attr( $variable ), '" name="', esc_attr( $this->option_name . '[' . $variable . ']' ), '" value="on"', checked( $val, 'on', false ), $disabled_attribute, '/>';

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if ( ! empty( $label ) ) {

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$this->label( $label, [ 'for' => $variable ] );

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}

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echo '<br class="clear" />';

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}

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/**

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* Creates a Checkbox input field list.

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*

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* @since 12.8

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*

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* @param string $variable The variables within the option to create the checkbox list for.

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* @param string $labels The labels to show for the variable.

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* @param array $attr Extra attributes to add to the checkbox list.

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*

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* @return void

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*/

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public function checkbox_list( $variable, $labels, $attr = [] ) {

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$defaults = [

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'disabled' => false,

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];

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$attr = wp_parse_args( $attr, $defaults );

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$values = $this->get_field_value( $variable, [] );

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foreach ( $labels as $name => $label ) {

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printf(

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'<input class="checkbox double" id="%1$s" type="checkbox" name="%2$s" %3$s %5$s value="%4$s"/>',

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esc_attr( $variable . '-' . $name ),

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esc_attr( $this->option_name . '[' . $variable . '][' . $name . ']' ),

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checked( ! empty( $values[ $name ] ), true, false ),

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esc_attr( $name ),

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disabled( ( isset( $attr['disabled'] ) && $attr['disabled'] ), true, false )

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);

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printf(

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'<label class="checkbox" for="%1$s">%2$s</label>',

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esc_attr( $variable . '-' . $name ), // #1

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esc_html( $label )

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);

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echo '<br class="clear">';

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}

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}

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[339] Fix | Delete

/**

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* Create a light switch input field using a single checkbox.

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*

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* @since 3.1

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*

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* @param string $variable The variable within the option to create the checkbox for.

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* @param string $label The visual label text for the toggle.

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* @param array $buttons Array of two visual labels for the buttons (defaults Disabled/Enabled).

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* @param bool $reverse Reverse order of buttons (default true).

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* @param string $help Inline Help that will be printed out before the toggle.

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* @param bool $strong Whether the visual label is displayed in strong text. Default is false.

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* Starting from Yoast SEO 16.5, the visual label is forced to bold via CSS.

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* @param array $attr Extra attributes to add to the light switch.

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*

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* @return void

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*/

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public function light_switch( $variable, $label, $buttons = [], $reverse = true, $help = '', $strong = false, $attr = [] ) {

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$val = $this->get_field_value( $variable, false );

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$defaults = [

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'disabled' => false,

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];

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$attr = wp_parse_args( $attr, $defaults );

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if ( $val === true ) {

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$val = 'on';

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}

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$disabled_attribute = $this->get_disabled_attribute( $variable, $attr );

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$output = new Light_Switch_Presenter(

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$variable,

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$label,

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$buttons,

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$this->option_name . '[' . $variable . ']',

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$val,

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$reverse,

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$help,

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$strong,

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$disabled_attribute

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);

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// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: All output is properly escaped or hardcoded in the presenter.

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echo $output;

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}

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[385] Fix | Delete

/**

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* Create a Text input field.

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*

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* @since 2.0

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* @since 2.1 Introduced the `$attr` parameter.

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*

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* @param string $variable The variable within the option to create the text input field for.

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* @param string $label The label to show for the variable.

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* @param array|string $attr Extra attributes to add to the input field. Can be class, disabled, autocomplete.

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*

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* @return void

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*/

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public function textinput( $variable, $label, $attr = [] ) {

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$type = 'text';

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if ( ! is_array( $attr ) ) {

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$attr = [

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'class' => $attr,

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'disabled' => false,

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];

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}

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[406] Fix | Delete

$defaults = [

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'placeholder' => '',

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'class' => '',

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];

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$attr = wp_parse_args( $attr, $defaults );

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$val = $this->get_field_value( $variable, '' );

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if ( isset( $attr['type'] ) && $attr['type'] === 'url' ) {

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$val = urldecode( $val );

[414] Fix | Delete

$type = 'url';

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}

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$attributes = isset( $attr['autocomplete'] ) ? ' autocomplete="' . esc_attr( $attr['autocomplete'] ) . '"' : '';

[417] Fix | Delete

[418] Fix | Delete

$this->label(

[419] Fix | Delete

$label,

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[

[421] Fix | Delete

'for' => $variable,

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'class' => 'textinput',

[423] Fix | Delete

]

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);

[425] Fix | Delete

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$aria_attributes = Yoast_Input_Validation::get_the_aria_invalid_attribute( $variable );

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[428] Fix | Delete

Yoast_Input_Validation::set_error_descriptions();

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$aria_attributes .= Yoast_Input_Validation::get_the_aria_describedby_attribute( $variable );

[430] Fix | Delete

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$disabled_attribute = $this->get_disabled_attribute( $variable, $attr );

[432] Fix | Delete

[433] Fix | Delete

// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: $disabled_attribute output is hardcoded and all other output is properly escaped.

[434] Fix | Delete

echo '<input', $attributes, $aria_attributes, ' class="', esc_attr( 'textinput ' . $attr['class'] ), '" placeholder="', esc_attr( $attr['placeholder'] ), '" type="', $type, '" id="', esc_attr( $variable ), '" name="', esc_attr( $this->option_name . '[' . $variable . ']' ), '" value="', esc_attr( $val ), '"', $disabled_attribute, '/>', '<br class="clear" />';

[435] Fix | Delete

// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output escaped in getter.

[436] Fix | Delete

echo Yoast_Input_Validation::get_the_error_description( $variable );

[437] Fix | Delete

}

[438] Fix | Delete

[439] Fix | Delete

/**

[440] Fix | Delete

* Create a Number input field.

[441] Fix | Delete

*

[442] Fix | Delete

* @param string $variable The variable within the option to create the text input field for.

[443] Fix | Delete

* @param string $label The label to show for the variable.

[444] Fix | Delete

* @param array|string $attr Extra attributes to add to the input field. Can be class, disabled, autocomplete.

[445] Fix | Delete

*

[446] Fix | Delete

* @return void

[447] Fix | Delete

*/

[448] Fix | Delete

public function number( $variable, $label, $attr = [] ) {

[449] Fix | Delete

$type = 'number';

[450] Fix | Delete

$defaults = [

[451] Fix | Delete

'placeholder' => '',

[452] Fix | Delete

'class' => 'number',

[453] Fix | Delete

'disabled' => false,

[454] Fix | Delete

'min' => 0,

[455] Fix | Delete

'max' => 100,

[456] Fix | Delete

];

[457] Fix | Delete

$attr = wp_parse_args( $attr, $defaults );

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$val = $this->get_field_value( $variable, 0 );

[459] Fix | Delete

[460] Fix | Delete

$this->label(

[461] Fix | Delete

$label,

[462] Fix | Delete

[

[463] Fix | Delete

'for' => $variable,

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'class' => 'textinput ' . $attr['class'],

[465] Fix | Delete

]

[466] Fix | Delete

);

[467] Fix | Delete

[468] Fix | Delete

$aria_attributes = Yoast_Input_Validation::get_the_aria_invalid_attribute( $variable );

[469] Fix | Delete

[470] Fix | Delete

Yoast_Input_Validation::set_error_descriptions();

[471] Fix | Delete

$aria_attributes .= Yoast_Input_Validation::get_the_aria_describedby_attribute( $variable );

[472] Fix | Delete

[473] Fix | Delete

$disabled_attribute = $this->get_disabled_attribute( $variable, $attr );

[474] Fix | Delete

[475] Fix | Delete

// phpcs:ignore WordPress.Security.EscapeOutput -- Reason: $disabled_attribute output is hardcoded and all other output is properly escaped.

[476] Fix | Delete

echo '<input' . $aria_attributes . ' class="' . esc_attr( $attr['class'] ) . '" type="' . $type . '" id="', esc_attr( $variable ), '" min="', esc_attr( $attr['min'] ), '" max="', esc_attr( $attr['max'] ), '" name="', esc_attr( $this->option_name . '[' . $variable . ']' ), '" value="', esc_attr( $val ), '"', $disabled_attribute, '/>', '<br class="clear" />';

[477] Fix | Delete

// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output escaped in getter.

[478] Fix | Delete

echo Yoast_Input_Validation::get_the_error_description( $variable );

[479] Fix | Delete

}

[480] Fix | Delete

[481] Fix | Delete

/**

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* Creates a text input field with with the ability to add content after the label.

[483] Fix | Delete

*

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* @param string $variable The variable within the option to create the text input field for.

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* @param string $label The label to show for the variable.

[486] Fix | Delete

* @param array $attr Extra attributes to add to the input field.

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*

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* @return void

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*/

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public function textinput_extra_content( $variable, $label, $attr = [] ) {

[491] Fix | Delete

$type = 'text';

[492] Fix | Delete

[493] Fix | Delete

$defaults = [

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'class' => 'yoast-field-group__inputfield',

[495] Fix | Delete

'disabled' => false,

[496] Fix | Delete

];

[497] Fix | Delete

[498] Fix | Delete

$attr = wp_parse_args( $attr, $defaults );

[499] Fix | Delete