<?php

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namespace Yoast\WP\SEO\Integrations\Admin;

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use WPSEO_Shortlinker;

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use Yoast\WHIPv2\Exceptions\InvalidType;

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use Yoast\WHIPv2\Exceptions\InvalidVersionComparisonString;

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use Yoast\WHIPv2\Interfaces\Message;

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use Yoast\WHIPv2\MessageDismisser;

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use Yoast\WHIPv2\MessageFormatter;

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use Yoast\WHIPv2\Presenters\WPMessagePresenter;

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use Yoast\WHIPv2\RequirementsChecker;

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use Yoast\WHIPv2\VersionRequirement;

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use Yoast\WHIPv2\WPDismissOption;

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use Yoast\WP\SEO\Conditionals\Yoast_Admin_And_Dashboard_Conditional;

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use Yoast\WP\SEO\Integrations\Integration_Interface;

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/**

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* Class Unsupported_PHP_Version_Notice.

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*

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* @package Yoast\WP\SEO\Integrations\Admin

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*/

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class Unsupported_PHP_Version_Notice implements Integration_Interface, Message {

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/**

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* Returns the conditionals based on which this integration should be active.

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*

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* @return array<string> The array of conditionals.

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*/

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public static function get_conditionals() {

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return [

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Yoast_Admin_And_Dashboard_Conditional::class,

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];

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}

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/**

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* Register hooks.

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*

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* @return void

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*/

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public function register_hooks() {

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\add_action( 'admin_init', [ $this, 'check_php_version' ] );

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}

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/**

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* Checks the current PHP version.

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*

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* @return void

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*/

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public function check_php_version() {

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// If the user isn't an admin, don't display anything.

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if ( ! $this->has_right_capabilities() ) {

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return;

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}

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if ( ! $this->on_dashboard_page( $GLOBALS['pagenow'] ) ) {

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return;

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}

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// Checks if the user is running at least PHP 7.2.

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if ( $this->is_supported_php_version_installed() === false ) {

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$this->show_unsupported_php_message();

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}

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}

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/**

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* Composes the body of the message to display.

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*

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* @return string The message to display.

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*/

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public function body() {

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$message = [];

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$message[] = MessageFormatter::strongParagraph( \__( 'Upgrade your PHP version', 'wordpress-seo' ) ) . '<br />';

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$message[] = MessageFormatter::paragraph(

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\sprintf(

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/* translators: 1: Yoast SEO, 2: Yoast SEO Premium */

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\__(

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'By November 1st, 2024, we’ll update the minimum PHP requirement for %1$s, %2$s and all our add-ons to PHP 7.4. This, to ensure we can keep delivering state of the art features.',

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'wordpress-seo'

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),

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'Yoast SEO',

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'Yoast SEO Premium'

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)

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) . '<br />';

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$message[] = MessageFormatter::strongParagraph( \__( 'Can’t upgrade yourself? Ask your host!', 'wordpress-seo' ) ) . '<br />';

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$message[] = MessageFormatter::paragraph(

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\sprintf(

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/* translators: 1: Link tag to WordPress Hosts page on Yoast.com; 2: Link closing tag */

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\__(

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'Upgrading your PHP version is something your hosting provider can help you out with. If they can’t upgrade your PHP version, we advise you to consider %1$sswitching to a hosting provider%2$s that can provide the security and features a modern host should provide.',

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'wordpress-seo'

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),

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'<a href="' . WPSEO_Shortlinker::get( 'https://yoast.com/wordpress-hosting/' ) . '">',

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'</a>'

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)

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) . '<br />';

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return \implode( \PHP_EOL, $message );

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}

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/**

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* Checks if the current user has the right capabilities.

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*

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* @return bool True when user has right capabilities.

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*/

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protected function has_right_capabilities() {

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return \current_user_can( 'wpseo_manage_options' );

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}

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/**

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* Whether we are on the admin dashboard page or in the Yoast dashboard page.

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*

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* We need to have the notice in the main admin otherwise the dismissal mechanism won't work.

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*

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* @param string $current_page The current page.

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*

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* @return bool True if current page is the index.php.

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*/

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protected function on_dashboard_page( $current_page ) {

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// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Date is not processed or saved.

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if ( $current_page === 'admin.php' && isset( $_GET['page'] ) && \sanitize_text_field( \wp_unslash( $_GET['page'] ) ) === 'wpseo_dashboard' ) {

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return true;

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}

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return ( $current_page === 'index.php' );

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}

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/**

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* Checks if the installed php version is supported.

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*

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* @codeCoverageIgnore

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*

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* @return bool True when the php version is support.

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*/

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protected function is_supported_php_version_installed() {

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try {

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$checker = new RequirementsChecker( [ 'php' => \PHP_VERSION ] );

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$checker->addRequirement( VersionRequirement::fromCompareString( 'php', '>=7.4' ) );

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$checker->check();

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return $checker->hasMessages() === false;

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}

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catch ( InvalidVersionComparisonString $e ) {

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return true;

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}

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catch ( InvalidType $e ) {

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return true;

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}

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}

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/**

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* Creates a new message to display regarding the usage of PHP 7.3 (or lower).

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*

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* @codeCoverageIgnore

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*

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* @return void

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*/

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protected function show_unsupported_php_message() {

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$presenter = new WPMessagePresenter(

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$this,

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new MessageDismisser( \time(), ( \WEEK_IN_SECONDS * 4 ), new WPDismissOption() ),

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\__( 'Remind me again in 4 weeks.', 'wordpress-seo' )

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);

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$presenter->registerHooks();

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}

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}

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