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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; } }