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<title>[54069] trunk: Site Health: Bump the recommended MySQL and MariaDB versions.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/54069">54069</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/54069","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-09-05 15:18:13 +0000 (Mon, 05 Sep 2022)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Site Health: Bump the recommended MySQL and MariaDB versions.

* MySQL 5.6 has reached EOL ({U+201C}End of Life{U+201D}) in February 2021. The recommended minimum is bumped to 5.7 for now.
* MariaDB 10.2 has reached EOL in May 2022. The recommended minimum is bumped to 10.3 for now.

This commit brings the Site Health recommendations in line with `readme.html`.

Includes:
* Adding two unit tests to ensure the SQL server versions recommended by Site Health match `readme.html`.
* Consistently declaring the recommended and required versions as the `WP_Site_Health` class properties.
* Renaming some pre-existing private properties for clarity.

Follow-up to <a href="https://core.trac.wordpress.org/changeset/44986">[44986]</a>, <a href="https://core.trac.wordpress.org/changeset/52319">[52319]</a>, <a href="https://core.trac.wordpress.org/changeset/52358">[52358]</a>, <a href="https://core.trac.wordpress.org/changeset/52420">[52420]</a>, <a href="https://core.trac.wordpress.org/changeset/52424">[52424]</a>, <a href="https://core.trac.wordpress.org/changeset/53431">[53431]</a>, <a href="https://core.trac.wordpress.org/changeset/53433">[53433]</a>, <a href="https://core.trac.wordpress.org/changeset/53435">[53435]</a>, [meta11407], [meta11866].

See <a href="https://core.trac.wordpress.org/ticket/55791">#55791</a>, #meta5999, #meta6322.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesclasswpsitehealthphp">trunk/src/wp-admin/includes/class-wp-site-health.php</a></li>
<li><a href="#trunktestsphpunittestssitehealthphp">trunk/tests/phpunit/tests/site-health.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminincludesclasswpsitehealthphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/class-wp-site-health.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-wp-site-health.php      2022-09-05 14:31:05 UTC (rev 54068)
+++ trunk/src/wp-admin/includes/class-wp-site-health.php        2022-09-05 15:18:13 UTC (rev 54069)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -10,13 +10,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> class WP_Site_Health {
</span><span class="cx" style="display: block; padding: 0 10px">        private static $instance = null;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        private $mysql_min_version_check;
-       private $mysql_rec_version_check;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ private $is_acceptable_mysql_version;
+       private $is_recommended_mysql_version;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        public $is_mariadb                           = false;
-       private $mysql_server_version                = '';
-       private $health_check_mysql_required_version = '5.5';
-       private $health_check_mysql_rec_version      = '';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public $is_mariadb                   = false;
+       private $mysql_server_version        = '';
+       private $mysql_required_version      = '5.5';
+       private $mysql_recommended_version   = '5.7';
+       private $mariadb_recommended_version = '10.3';
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        public $php_memory_limit;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -209,15 +210,13 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->mysql_server_version = $wpdb->get_var( 'SELECT VERSION()' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->health_check_mysql_rec_version = '5.6';
-
</del><span class="cx" style="display: block; padding: 0 10px">                 if ( stristr( $mysql_server_type, 'mariadb' ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $this->is_mariadb                     = true;
-                       $this->health_check_mysql_rec_version = '10.0';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $this->is_mariadb                = true;
+                       $this->mysql_recommended_version = $this->mariadb_recommended_version;
</ins><span class="cx" style="display: block; padding: 0 10px">                 }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->mysql_min_version_check = version_compare( '5.5', $this->mysql_server_version, '<=' );
-               $this->mysql_rec_version_check = version_compare( $this->health_check_mysql_rec_version, $this->mysql_server_version, '<=' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->is_acceptable_mysql_version  = version_compare( $this->mysql_required_version, $this->mysql_server_version, '<=' );
+               $this->is_recommended_mysql_version = version_compare( $this->mysql_recommended_version, $this->mysql_server_version, '<=' );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1197,7 +1196,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $db_dropin = file_exists( WP_CONTENT_DIR . '/db.php' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( ! $this->mysql_rec_version_check ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( ! $this->is_recommended_mysql_version ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $result['status'] = 'recommended';
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        $result['label'] = __( 'Outdated SQL server' );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1208,12 +1207,12 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        /* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server recommended version number. */
</span><span class="cx" style="display: block; padding: 0 10px">                                        __( 'For optimal performance and security reasons, you should consider running %1$s version %2$s or higher. Contact your web hosting company to correct this.' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                        ( $this->is_mariadb ? 'MariaDB' : 'MySQL' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        $this->health_check_mysql_rec_version
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 $this->mysql_recommended_version
</ins><span class="cx" style="display: block; padding: 0 10px">                                 )
</span><span class="cx" style="display: block; padding: 0 10px">                        );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( ! $this->mysql_min_version_check ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( ! $this->is_acceptable_mysql_version ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $result['status'] = 'critical';
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        $result['label']          = __( 'Severely outdated SQL server' );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1225,7 +1224,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        /* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server minimum version number. */
</span><span class="cx" style="display: block; padding: 0 10px">                                        __( 'WordPress requires %1$s version %2$s or higher. Contact your web hosting company to correct this.' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                        ( $this->is_mariadb ? 'MariaDB' : 'MySQL' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        $this->health_check_mysql_required_version
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 $this->mysql_required_version
</ins><span class="cx" style="display: block; padding: 0 10px">                                 )
</span><span class="cx" style="display: block; padding: 0 10px">                        );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span></span></pre></div>
<a id="trunktestsphpunittestssitehealthphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/site-health.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/site-health.php 2022-09-05 14:31:05 UTC (rev 54068)
+++ trunk/tests/phpunit/tests/site-health.php   2022-09-05 15:18:13 UTC (rev 54069)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -12,6 +12,52 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 55791
+        * @covers ::prepare_sql_data()
+        * @covers ::get_test_sql_server()
+        */
+       public function test_mysql_recommended_version_matches_readme_html() {
+               // This test is designed to only run on trunk.
+               $this->skipOnAutomatedBranches();
+
+               $wp_site_health = new WP_Site_Health();
+               $wp_site_health->get_test_sql_server();
+
+               $reflection          = new ReflectionClass( $wp_site_health );
+               $reflection_property = $reflection->getProperty( 'mysql_recommended_version' );
+               $reflection_property->setAccessible( true );
+
+               $readme = file_get_contents( ABSPATH . 'readme.html' );
+
+               preg_match( '#Recommendations.*MySQL</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+               $this->assertSame( $matches[1], $reflection_property->getValue( $wp_site_health ) );
+       }
+
+       /**
+        * @ticket 55791
+        * @covers ::prepare_sql_data()
+        * @covers ::get_test_sql_server()
+        */
+       public function test_mariadb_recommended_version_matches_readme_html() {
+               // This test is designed to only run on trunk.
+               $this->skipOnAutomatedBranches();
+
+               $wp_site_health = new WP_Site_Health();
+               $wp_site_health->get_test_sql_server();
+
+               $reflection          = new ReflectionClass( $wp_site_health );
+               $reflection_property = $reflection->getProperty( 'mariadb_recommended_version' );
+               $reflection_property->setAccessible( true );
+
+               $readme = file_get_contents( ABSPATH . 'readme.html' );
+
+               preg_match( '#Recommendations.*MariaDB</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+               $this->assertSame( $matches[1], $reflection_property->getValue( $wp_site_health ) );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Ensure Site Health reports correctly cron job reports.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 47223
</span></span></pre>
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