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wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option-llmstxt.php

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+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Internals\Options
+ */
+
+/**
+ * Option: wpseo_llmstxt.
+ */
+class WPSEO_Option_Llmstxt extends WPSEO_Option {
+
+	private const OTHER_INCLUDED_PAGES_LIMIT = 100;
+
+	/**
+	 * Option name.
+	 *
+	 * @var string
+	 */
+	public $option_name = 'wpseo_llmstxt';
+
+	/**
+	 * Array of defaults for the option.
+	 *
+	 * Shouldn't be requested directly, use $this->get_defaults();
+	 *
+	 * @var array<string, int|string|array<int>>
+	 */
+	protected $defaults = [
+		'llms_txt_selection_mode' => 'auto',
+		'about_us_page'           => 0,
+		'contact_page'            => 0,
+		'terms_page'              => 0,
+		'privacy_policy_page'     => 0,
+		'shop_page'               => 0,
+		'other_included_pages'    => [],
+	];
+
+	/**
+	 * Get the singleton instance of this class.
+	 *
+	 * @return object
+	 */
+	public static function get_instance() {
+		if ( ! ( self::$instance instanceof self ) ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * All concrete classes must contain a validate_option() method which validates all
+	 * values within the option.
+	 *
+	 * @param array $dirty New value for the option.
+	 * @param array $clean Clean value for the option, normally the defaults.
+	 * @param array $old   Old value of the option.
+	 *
+	 * @return array The clean option with the saved value.
+	 */
+	protected function validate_option( $dirty, $clean, $old ) {
+
+		foreach ( $clean as $key => $value ) {
+			switch ( $key ) {
+				case 'other_included_pages':
+					if ( isset( $dirty[ $key ] ) ) {
+						$items = $dirty[ $key ];
+						if ( ! is_array( $items ) ) {
+							$items = json_decode( $dirty[ $key ], true );
+						}
+
+						if ( is_array( $items ) ) {
+							$items = array_slice( $items, 0, $this->get_other_included_pages_limit() );
+							foreach ( $items as $item ) {
+								$validated_id = WPSEO_Utils::validate_int( $item );
+
+								if ( $validated_id === false || $validated_id === 0 ) {
+									continue;
+								}
+
+								$clean[ $key ][] = $validated_id;
+							}
+						}
+					}
+
+					break;
+				case 'about_us_page':
+				case 'contact_page':
+				case 'terms_page':
+				case 'privacy_policy_page':
+				case 'shop_page':
+					if ( isset( $dirty[ $key ] ) ) {
+						$int = WPSEO_Utils::validate_int( $dirty[ $key ] );
+						if ( $int !== false && $int >= 0 ) {
+							$clean[ $key ] = $int;
+						}
+					}
+					elseif ( isset( $old[ $key ] ) ) {
+						$int = WPSEO_Utils::validate_int( $old[ $key ] );
+						if ( $int !== false && $int >= 0 ) {
+							$clean[ $key ] = $int;
+						}
+					}
+					break;
+				case 'llms_txt_selection_mode':
+					if ( isset( $dirty[ $key ] ) && in_array( $dirty[ $key ], [ 'auto', 'manual' ], true ) ) {
+						$clean[ $key ] = $dirty[ $key ];
+					}
+					break;
+			}
+		}
+
+		return $clean;
+	}
+
+	/**
+	 * Gets the limit for the other included pages.
+	 *
+	 * @return int The limit for the other included pages.
+	 */
+	public function get_other_included_pages_limit() {
+		return self::OTHER_INCLUDED_PAGES_LIMIT;
+	}
+}