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📁 ..
📄 admin-settings-changed-listener.php(2.39 KB)
📁 ajax
📄 ajax.php(11.16 KB)
📁 capabilities
📄 class-admin-asset-analysis-worker-location.php(1.81 KB)
📄 class-admin-asset-dev-server-location.php(1.63 KB)
📄 class-admin-asset-location.php(488 B)
📄 class-admin-asset-manager.php(19.67 KB)
📄 class-admin-asset-seo-location.php(2.08 KB)
📄 class-admin-editor-specific-replace-vars.php(6.34 KB)
📄 class-admin-gutenberg-compatibility-notification.php(2.55 KB)
📄 class-admin-help-panel.php(2.7 KB)
📄 class-admin-init.php(10.71 KB)
📄 class-admin-recommended-replace-vars.php(5.98 KB)
📄 class-admin-user-profile.php(3.25 KB)
📄 class-admin-utils.php(2.14 KB)
📄 class-admin.php(12.73 KB)
📄 class-asset.php(4.3 KB)
📄 class-bulk-description-editor-list-table.php(2.05 KB)
📄 class-bulk-editor-list-table.php(29.41 KB)
📄 class-bulk-title-editor-list-table.php(2.23 KB)
📄 class-collector.php(1005 B)
📄 class-config.php(4.88 KB)
📄 class-database-proxy.php(7.5 KB)
📄 class-export.php(3.46 KB)
📄 class-expose-shortlinks.php(8.23 KB)
📄 class-gutenberg-compatibility.php(2.47 KB)
📄 class-meta-columns.php(27.3 KB)
📄 class-my-yoast-proxy.php(6.14 KB)
📄 class-option-tab.php(2.21 KB)
📄 class-option-tabs-formatter.php(2.84 KB)
📄 class-option-tabs.php(2.26 KB)
📄 class-paper-presenter.php(3.52 KB)
📄 class-plugin-availability.php(10.06 KB)
📄 class-plugin-conflict.php(4.04 KB)
📄 class-premium-popup.php(2.81 KB)
📄 class-premium-upsell-admin-block.php(5.11 KB)
📄 class-primary-term-admin.php(7.35 KB)
📄 class-product-upsell-notice.php(5.75 KB)
📄 class-remote-request.php(3.13 KB)
📄 class-schema-person-upgrade-notification.php(2.23 KB)
📄 class-suggested-plugins.php(4.33 KB)
📄 class-wincher-dashboard-widget.php(3.53 KB)
📄 class-yoast-columns.php(3.52 KB)
📄 class-yoast-dashboard-widget.php(3.96 KB)
📄 class-yoast-form.php(35.74 KB)
📄 class-yoast-input-validation.php(7.2 KB)
📄 class-yoast-network-admin.php(9.97 KB)
📄 class-yoast-network-settings-api.php(4.18 KB)
📄 class-yoast-notification-center.php(26.06 KB)
📄 class-yoast-notification.php(9.82 KB)
📄 class-yoast-notifications.php(7.63 KB)
📄 class-yoast-plugin-conflict.php(10.33 KB)
📁 endpoints
📁 exceptions
📁 filters
📁 formatter
📁 google_search_console
📁 import
📄 index.php(38 B)
📄 interface-collection.php(257 B)
📄 interface-installable.php(254 B)
📁 listeners
📁 menu
📁 metabox
📁 notifiers
📁 pages
📁 roles
📁 services
📁 statistics
📁 taxonomy
📁 tracking
📁 views
📁 watchers

Editing: class-yoast-input-validation.php

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

/**
 * Implements server-side user input validation.
 *
 * @since 12.0
 */
class Yoast_Input_Validation {

/**
	 * The error descriptions.
	 *
	 * @since 12.1
	 *
	 * @var array<string, string>
	 */
	private static $error_descriptions = [];

/**
	 * Check whether an option group is a Yoast SEO setting.
	 *
	 * The normal pattern is 'yoast' . $option_name . 'options'.
	 *
	 * @since 12.0
	 *
	 * @param string $group_name The option group name.
	 *
	 * @return bool Whether or not it's an Yoast SEO option group.
	 */
	public static function is_yoast_option_group_name( $group_name ) {
		return ( strpos( $group_name, 'yoast' ) !== false );
	}

/**
	 * Adds an error message to the document title when submitting a settings
	 * form and errors are returned.
	 *
	 * Uses the WordPress `admin_title` filter in the WPSEO_Option subclasses.
	 *
	 * @since 12.0
	 *
	 * @param string $admin_title The page title, with extra context added.
	 *
	 * @return string The modified or original admin title.
	 */
	public static function add_yoast_admin_document_title_errors( $admin_title ) {
		$errors      = get_settings_errors();
		$error_count = 0;

foreach ( $errors as $error ) {
			// For now, filter the admin title only in the Yoast SEO settings pages.
			if ( self::is_yoast_option_group_name( $error['setting'] ) && $error['code'] !== 'settings_updated' ) {
				++$error_count;
			}
		}

if ( $error_count > 0 ) {
			return sprintf(
				/* translators: %1$s: amount of errors, %2$s: the admin page title */
				_n( 'The form contains %1$s error. %2$s', 'The form contains %1$s errors. %2$s', $error_count, 'wordpress-seo' ),
				number_format_i18n( $error_count ),
				$admin_title
			);
		}

return $admin_title;
	}

/**
	 * Checks whether a specific form input field was submitted with an invalid value.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code Must be the same slug-name used for the field variable and for `add_settings_error()`.
	 *
	 * @return bool Whether or not the submitted input field contained an invalid value.
	 */
	public static function yoast_form_control_has_error( $error_code ) {
		$errors = get_settings_errors();

foreach ( $errors as $error ) {
			if ( $error['code'] === $error_code ) {
				return true;
			}
		}

return false;
	}

/**
	 * Sets the error descriptions.
	 *
	 * @since      12.1
	 * @deprecated 23.3
	 * @codeCoverageIgnore
	 *
	 * @param array<string, string> $descriptions An associative array of error descriptions.
	 *                                            For each entry, the key must be the setting variable.
	 *
	 * @return void
	 */
	public static function set_error_descriptions( $descriptions = [] ) { // @phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable, Generic.CodeAnalysis.UnusedFunctionParameter.Found -- Needed for BC.
		_deprecated_function( __METHOD__, 'Yoast SEO 23.3' );
	}

/**
	 * Gets all the error descriptions.
	 *
	 * @since      12.1
	 * @deprecated 23.3
	 * @codeCoverageIgnore
	 *
	 * @return array<string, string> An associative array of error descriptions.
	 */
	public static function get_error_descriptions() {
		_deprecated_function( __METHOD__, 'Yoast SEO 23.3' );
		return [];
	}

/**
	 * Gets a specific error description.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string|null The error description.
	 */
	public static function get_error_description( $error_code ) {
		if ( ! isset( self::$error_descriptions[ $error_code ] ) ) {
			return null;
		}

return self::$error_descriptions[ $error_code ];
	}

/**
	 * Gets the aria-invalid HTML attribute based on the submitted invalid value.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string The aria-invalid HTML attribute or empty string.
	 */
	public static function get_the_aria_invalid_attribute( $error_code ) {
		if ( self::yoast_form_control_has_error( $error_code ) ) {
			return ' aria-invalid="true"';
		}

return '';
	}

/**
	 * Gets the aria-describedby HTML attribute based on the submitted invalid value.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string The aria-describedby HTML attribute or empty string.
	 */
	public static function get_the_aria_describedby_attribute( $error_code ) {
		if ( self::yoast_form_control_has_error( $error_code ) && self::get_error_description( $error_code ) ) {
			return ' aria-describedby="' . esc_attr( $error_code ) . '-error-description"';
		}

return '';
	}

/**
	 * Gets the error description wrapped in a HTML paragraph.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string The error description HTML or empty string.
	 */
	public static function get_the_error_description( $error_code ) {
		$error_description = self::get_error_description( $error_code );

if ( self::yoast_form_control_has_error( $error_code ) && $error_description ) {
			return '<p id="' . esc_attr( $error_code ) . '-error-description" class="yoast-input-validation__error-description">' . $error_description . '</p>';
		}

return '';
	}

/**
	 * Adds the submitted invalid value to the WordPress `$wp_settings_errors` global.
	 *
	 * @since 12.1
	 *
	 * @param string $error_code  Code of the error set via `add_settings_error()`, normally the variable name.
	 * @param string $dirty_value The submitted invalid value.
	 *
	 * @return void
	 */
	public static function add_dirty_value_to_settings_errors( $error_code, $dirty_value ) {
		global $wp_settings_errors;

if ( ! is_array( $wp_settings_errors ) ) {
			return;
		}

foreach ( $wp_settings_errors as $index => $error ) {
			if ( $error['code'] === $error_code ) {
				// phpcs:ignore WordPress.WP.GlobalVariablesOverride -- This is a deliberate action.
				$wp_settings_errors[ $index ]['yoast_dirty_value'] = $dirty_value;
			}
		}
	}

/**
	 * Gets an invalid submitted value.
	 *
	 * @since      12.1
	 * @deprecated 23.3
	 * @codeCoverageIgnore
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string The submitted invalid input field value.
	 */
	public static function get_dirty_value( $error_code ) {  // @phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable, Generic.CodeAnalysis.UnusedFunctionParameter.Found -- Needed for BC.
		_deprecated_function( __METHOD__, 'Yoast SEO 23.3' );
		return '';
	}

/**
	 * Gets a specific invalid value message.
	 *
	 * @since      12.1
	 * @deprecated 23.3
	 * @codeCoverageIgnore
	 *
	 * @param string $error_code Code of the error set via `add_settings_error()`, normally the variable name.
	 *
	 * @return string The error invalid value message or empty string.
	 */
	public static function get_dirty_value_message( $error_code ) { // @phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable, Generic.CodeAnalysis.UnusedFunctionParameter.Found -- Needed for BC.
		_deprecated_function( __METHOD__, 'Yoast SEO 23.3' );

return '';
	}
}

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Editing: class-yoast-input-validation.php

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