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✏️ Editing: class-field-multiple-authors.php

<?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Admin\ConfigurationUI
 */

/**
 * Class WPSEO_Config_Field_Multiple_Authors.
 */
class WPSEO_Config_Field_Multiple_Authors extends WPSEO_Config_Field_Choice {

/**
	 * WPSEO_Config_Field_Multiple_Authors constructor.
	 */
	public function __construct() {
		parent::__construct( 'multipleAuthors' );

$this->set_property( 'label', __( 'Does, or will, your site have multiple authors?', 'wordpress-seo' ) );

$this->set_property( 'description', __( 'If you choose no, your author archives will be deactivated to prevent  duplicate content issues.', 'wordpress-seo' ) );

$this->add_choice( 'yes', __( 'Yes', 'wordpress-seo' ) );
		$this->add_choice( 'no', __( 'No', 'wordpress-seo' ) );
	}

/**
	 * Set adapter.
	 *
	 * @param WPSEO_Configuration_Options_Adapter $adapter Adapter to register lookup on.
	 */
	public function set_adapter( WPSEO_Configuration_Options_Adapter $adapter ) {
		$adapter->add_custom_lookup(
			$this->get_identifier(),
			[ $this, 'get_data' ],
			[ $this, 'set_data' ]
		);
	}

/**
	 * Get the data from the stored options.
	 *
	 * @return null|string
	 */
	public function get_data() {

if ( WPSEO_Options::get( 'has_multiple_authors', false ) ) {
			$value = WPSEO_Options::get( 'has_multiple_authors' );
		}

if ( ! isset( $value ) || is_null( $value ) ) {
			// If there are more than one users with level > 1 default to multiple authors.
			$user_criteria = [
				'fields' => 'IDs',
				'who'    => 'authors',
			];
			$users         = get_users( $user_criteria );

$value = count( $users ) > 1;
		}

return ( $value ) ? 'yes' : 'no';
	}

/**
	 * Set the data in the options.
	 *
	 * @param string $data The data to set for the field.
	 *
	 * @return bool Returns true or false for successful storing the data.
	 */
	public function set_data( $data ) {
		$value = ( $data === 'yes' );

// Set multiple authors option.
		$result_multiple_authors = WPSEO_Options::set( 'has_multiple_authors', $value );

/*
		 * Set disable author archives option. When multiple authors is set to true,
		 * the disable author option has to be false. Because of this the $value is inversed.
		 */
		$result_author_archives = WPSEO_Options::set( 'disable-author', ! $value );

return ( $result_multiple_authors === true && $result_author_archives === true );
	}
}

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