mysqli_warning_count mysqli->warning_count Returns the number of warnings from the last query for the given link Procedural style: intmysqli_warning_count objectlink Object oriented style (property): mysqli intwarning_count mysqli_warning_count returns the number of warnings from the last query in the connection represented by the link parameter. For retrieving warning messages you can use the SQL command SHOW WARNINGS [limit row_count]. Number of warnings or zero if there are no warnings. mysqli_errno, mysqli_error, mysqli_sqlstate