Frontside sql code in .txt document can be used to retrieve date from the database?

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1

When i insert the following code into a .txt file ( Frontside user ) i get response from de the mysql server in when te document is being saved. Please check, it could be a security danger !

Just some not nextcloud related instructions

**public function create_table() {**
	$table_name = $wpdb->prefix . self::TABLE_NAME;
	$query = 'CREATE TABLE ' . $table_name . ' (
			  id INT(11) NOT NULL AUTO_INCREMENT,
			  email VARCHAR(100) DEFAULT NULL,
			  hashed_email varchar(64) NOT NULL,
			  message VARCHAR(255) DEFAULT NULL,
			  ref varchar(30) DEFAULT NULL,
			  ref_id INT(11) DEFAULT NULL,
			  timestamp DATETIME DEFAULT NULL,
			  PRIMARY KEY (id)			 
			)';
	dbDelta( $query );

}

Result in error:

No users or groups found for public function create_tabel //

Geen gebruikers of groepen gevonden voor public function create_table() { // phpalert("Dataregister Tabel"); global $wpdb; $table_name = $wpdb->prefix . self::TABLE_NAME; $query = 'CREATE TABLE ' . $table_name . ' ( id INT(11) NOT NULL AUTO_INCREMENT, email VARCHAR(100) DEFAULT NULL, hashed_email varchar(64) NOT NULL, message VARCHAR(255) DEFAULT NULL, ref varchar(30) DEFAULT NULL, ref_id INT(11) DEFAULT NULL, timestamp DATETIME DEFAULT NULL, PRIMARY KEY (id) )'; require_once( ABSPATH . 'my-admin/includes/upgrade.php' ); if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) { <<<<< Controleren of niet al bestaat dbDelta( $query ); } <<< Close Controleren $this->log->info( 'Data Register table created' ); }