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<?php
namespace Yoast\WP\SEO\Helpers;
use wpdb;
/**
* A helper object for the wpdb.
*/
class Wpdb_Helper {
/**
* The WordPress database instance.
*
* @var wpdb
*/
private $wpdb;
/**
* Constructs a Wpdb_Helper instance.
*
* @param wpdb $wpdb The WordPress database instance.
*/
public function __construct( wpdb $wpdb ) {
$this->wpdb = $wpdb;
}
/**
* Check if table exists.
*
* @param string $table The table to be checked.
*
* @return bool Whether the table exists.
*/
public function table_exists( $table ) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Reason: There is no unescaped user input.
$table_exists = $this->wpdb->get_var( "SHOW TABLES LIKE '{$table}'" );
if ( \is_wp_error( $table_exists ) || $table_exists === null ) {
return false;
}
return true;
}
}