Source
File: wp-admin/includes/class-wp-site-health.php
public function get_test_sql_server() {
if ( ! $this->mysql_server_version ) {
$this->prepare_sql_data();
}
$result = array(
'label' => __( 'SQL server is up to date' ),
'status' => 'good',
'badge' => array(
'label' => __( 'Performance' ),
'color' => 'blue',
),
'description' => sprintf(
'<p>%s</p>',
__( 'The SQL server is a required piece of software for the database WordPress uses to store all your site’s content and settings.' )
),
'actions' => sprintf(
'<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>',
/* translators: Localized version of WordPress requirements if one exists. */
esc_url( __( 'https://wordpress.org/about/requirements/' ) ),
__( 'Learn more about what WordPress requires to run.' ),
/* translators: Accessibility text. */
__( '(opens in a new tab)' )
),
'test' => 'sql_server',
);
$db_dropin = file_exists( WP_CONTENT_DIR . '/db.php' );
if ( ! $this->mysql_rec_version_check ) {
$result['status'] = 'recommended';
$result['label'] = __( 'Outdated SQL server' );
$result['description'] .= sprintf(
'<p>%s</p>',
sprintf(
/* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server recommended version number. */
__( 'For optimal performance and security reasons, we recommend running %1$s version %2$s or higher. Contact your web hosting company to correct this.' ),
( $this->is_mariadb ? 'MariaDB' : 'MySQL' ),
$this->health_check_mysql_rec_version
)
);
}
if ( ! $this->mysql_min_version_check ) {
$result['status'] = 'critical';
$result['label'] = __( 'Severely outdated SQL server' );
$result['badge']['label'] = __( 'Security' );
$result['description'] .= sprintf(
'<p>%s</p>',
sprintf(
/* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server minimum version number. */
__( 'WordPress requires %1$s version %2$s or higher. Contact your web hosting company to correct this.' ),
( $this->is_mariadb ? 'MariaDB' : 'MySQL' ),
$this->health_check_mysql_required_version
)
);
}
if ( $db_dropin ) {
$result['description'] .= sprintf(
'<p>%s</p>',
wp_kses(
sprintf(
/* translators: 1: The name of the drop-in. 2: The name of the database engine. */
__( 'You are using a %1$s drop-in which might mean that a %2$s database is not being used.' ),
'<code>wp-content/db.php</code>',
( $this->is_mariadb ? 'MariaDB' : 'MySQL' )
),
array(
'code' => true,
)
)
);
}
return $result;
}