Database.php
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<?php
namespace AC\Plugin\Install;
use AC;
final class Database implements AC\Plugin\Install
{
public function install()
{
$this->create_database();
}
private function create_database(): void
{
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
dbDelta(self::get_schema());
}
public static function verify_database_exists(): bool
{
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
global $wpdb;
$suppress_errors = $wpdb->suppress_errors();
$created = dbDelta(self::get_schema(), false);
$wpdb->suppress_errors($suppress_errors);
return 1 !== count($created);
}
private static function get_schema(): string
{
global $wpdb;
$collate = $wpdb->has_cap('collation')
? $wpdb->get_charset_collate()
: '';
$table = "
CREATE TABLE {$wpdb->prefix}admin_columns (
id bigint(20) unsigned NOT NULL auto_increment,
list_id varchar(20) NOT NULL default '',
list_key varchar(100) NOT NULL default '',
title varchar(255) NOT NULL default '',
columns mediumtext,
settings mediumtext,
date_created datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
date_modified datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
PRIMARY KEY (id),
UNIQUE KEY `list_id` (`list_id`)
) $collate;
";
return $table;
}
}