MySQLi Class OOP Interface Procedural Interface Alias (Do not use) Description Properties $mysqli->affected_rows mysqli_affected_rows N/A Gets the number of affected rows in a previous MySQL operation $mysqli->connect_errno mysqli_connect_errno N/A Returns the error code from last connect call $mysqli->connect_error mysqli_connect_error N/A Returns a string description of the last connect error $mysqli->errno mysqli_errno N/A Returns the error code for the most recent function call $mysqli->error mysqli_error N/A Returns a string description of the last error $mysqli->field_count mysqli_field_count N/A Returns the number of columns for the most recent query $mysqli->host_info mysqli_get_host_info N/A Returns a string representing the type of connection used $mysqli->protocol_version mysqli_get_proto_info N/A Returns the version of the MySQL protocol used $mysqli->server_info mysqli_get_server_info N/A Returns the version of the MySQL server $mysqli->server_version mysqli_get_server_version N/A Returns the version of the MySQL server as an integer $mysqli->info mysqli_info N/A Retrieves information about the most recently executed query $mysqli->insert_id mysqli_insert_id N/A Returns the auto generated id used in the last query $mysqli->sqlstate mysqli_sqlstate N/A Returns the SQLSTATE error from previous MySQL operation $mysqli->warning_count mysqli_warning_count N/A Returns the number of warnings from the last query for the given link Methods mysqli->autocommit mysqli_autocommit N/A Turns on or off auto-commiting database modifications mysqli->change_user mysqli_change_user N/A Changes the user of the specified database connection mysqli->character_set_name, mysqli->client_encoding mysqli_character_set_name mysqli_client_encoding Returns the default character set for the database connection mysqli->close mysqli_close N/A Closes a previously opened database connection mysqli->commit mysqli_commit N/A Commits the current transaction mysqli::__construct mysqli_connect N/A Open a new connection to the MySQL server [Note: static (i.e. class) method] mysqli->debug mysqli_debug N/A Performs debugging operations mysqli->dump_debug_info mysqli_dump_debug_info N/A Dump debugging information into the log mysqli->get_charset mysqli_get_charset N/A Returns a character set object mysqli->get_client_info mysqli_get_client_info N/A Returns the MySQL client version as a string mysqli->get_client_version mysqli_get_client_version N/A Get MySQL client info $mysqli->get_connection_stats() mysqli_get_connection_stats() N/A NOT DOCUMENTED [mysqlnd only] mysqli->get_server_info mysqli_get_server_info N/A NOT DOCUMENTED mysqli->get_warnings mysqli_get_warnings N/A NOT DOCUMENTED mysqli_init mysqli_init N/A Initializes MySQLi and returns a resource for use with mysqli_real_connect. [Not called on an object, as it returns a $mysqli object.] mysqli->kill mysqli_kill N/A Asks the server to kill a MySQL thread mysqli->more_results mysqli_more_results N/A Check if there are any more query results from a multi query mysqli->multi_query mysqli_multi_query N/A Performs a query on the database mysqli->next_result mysqli_next_result N/A Prepare next result from multi_query mysqli->options mysqli_options mysqli_set_opt Set options mysqli->ping mysqli_ping N/A Pings a server connection, or tries to reconnect if the connection has gone down mysqli->prepare mysqli_prepare N/A Prepare a SQL statement for execution mysqli->query mysqli_query N/A Performs a query on the database mysqli->real_connect mysqli_real_connect N/A Opens a connection to a mysql server mysqli->real_escape_string, mysqli->escape_string mysqli_real_escape_string mysqli_escape_string Escapes special characters in a string for use in a SQL statement, taking into account the current charset of the connection mysqli->real_query mysqli_real_query N/A Execute an SQL query mysqli->rollback mysqli_rollback N/A Rolls back current transaction mysqli->select_db mysqli_select_db N/A Selects the default database for database queries mysqli->set_charset mysqli_set_charset N/A Sets the default client character set mysqli->set_local_infile_default mysqli_set_local_infile_default N/A Unsets user defined handler for load local infile command mysqli->set_local_infile_handler mysqli_set_local_infile_handler N/A Set callback function for LOAD DATA LOCAL INFILE command mysqli->ssl_set mysqli_ssl_set N/A Used for establishing secure connections using SSL mysqli->stat mysqli_stat N/A Gets the current system status mysqli->stmt_init mysqli_stmt_init N/A Initializes a statement and returns an object for use with mysqli_stmt_prepare mysqli->store_result mysqli_store_result N/A Transfers a result set from the last query mysqli->thread_id mysqli_thread_id N/A Returns the thread ID for the current connection mysqli->thread_safe mysqli_thread_safe N/A Returns whether thread safety is given or not mysqli->use_result mysqli_use_result N/A Initiate a result set retrieval MySQL_STMT OOP Interface Procedural Interface Alias (Do not use) Description Properties $mysqli_stmt->affected_rows mysqli_stmt_affected_rows N/A Returns the total number of rows changed, deleted, or inserted by the last executed statement $mysqli_stmt->errno mysqli_stmt_errno N/A Returns the error code for the most recent statement call $mysqli_stmt->error mysqli_stmt_error N/A Returns a string description for last statement error $mysqli_stmt->field_count mysqli_stmt_field_count N/A Returns the number of field in the given statement - not documented $mysqli_stmt->insert_id mysqli_stmt_insert_id N/A Get the ID generated from the previous INSERT operation $mysqli_stmt->num_rows mysqli_stmt_num_rows N/A Return the number of rows in statements result set $mysqli_stmt->param_count mysqli_stmt_param_count mysqli_param_count Returns the number of parameter for the given statement $mysqli_stmt->sqlstate mysqli_stmt_sqlstate N/A Returns SQLSTATE error from previous statement operation Methods mysqli_stmt->attr_get mysqli_stmt_attr_get N/A Used to get the current value of a statement attribute mysqli_stmt->attr_set mysqli_stmt_attr_set N/A Used to modify the behavior of a prepared statement mysqli_stmt->bind_param mysqli_stmt_bind_param mysqli_bind_param Binds variables to a prepared statement as parameters mysqli_stmt->bind_result mysqli_stmt_bind_result mysqli_bind_result Binds variables to a prepared statement for result storage mysqli_stmt->close mysqli_stmt_close N/A Closes a prepared statement mysqli_stmt->data_seek mysqli_stmt_data_seek N/A Seeks to an arbitrary row in statement result set mysqli_stmt->execute mysqli_stmt_execute mysqli_execute Executes a prepared Query mysqli_stmt->fetch mysqli_stmt_fetch mysqli_fetch Fetch results from a prepared statement into the bound variables mysqli_stmt->free_result mysqli_stmt_free_result N/A Frees stored result memory for the given statement handle $mysqli_stmt->get_result() mysqli_stmt_get_result N/A NOT DOCUMENTED [mysqlnd only] mysqli_stmt->get_warnings mysqli_stmt_get_warnings N/A NOT DOCUMENTED $mysqli_stmt->more_results() mysqli_stmt_more_results() N/A NOT DOCUMENTED [mysqlnd only] $mysqli_stmt->next_result() mysqli_stmt_next_result() N/A NOT DOCUMENTED [mysqlnd only] mysqli_stmt->num_rows mysqli_stmt_num_rows N/A NOT DOCUMENTED [see also num_rows property] mysqli_stmt->prepare mysqli_stmt_prepare N/A Prepare a SQL statement for execution mysqli_stmt->reset mysqli_stmt_reset N/A Resets a prepared statement mysqli_stmt->result_metadata mysqli_stmt_result_metadata mysqli_get_metadata Returns result set metadata from a prepared statement mysqli_stmt->send_long_data mysqli_stmt_send_long_data mysqli_send_long_data Send data in blocks mysqli_stmt->store_result mysqli_stmt_store_result N/A Transfers a result set from a prepared statement MySQLi_RESULT OOP Interface Procedural Interface Alias (Do not use) Description Properties $mysqli_result->current_field mysqli_field_tell N/A Get current field offset of a result pointer $mysqli_result->field_count mysqli_num_fields N/A Get the number of fields in a result $mysqli_result->lengths mysqli_fetch_lengths N/A Returns the lengths of the columns of the current row in the result set $mysqli_result->num_rows mysqli_num_rows N/A Gets the number of rows in a result Methods mysqli_result->data_seek mysqli_data_seek N/A Adjusts the result pointer to an arbitary row in the result mysqli_result->fetch_all mysqli_fetch_all N/A Fetches all result rows and returns the result set as an associative array, a numeric array, or both. MySQL Native Driver Only mysqli_result->fetch_array mysqli_fetch_array N/A Fetch a result row as an associative, a numeric array, or both mysqli_result->fetch_assoc mysqli_fetch_assoc N/A Fetch a result row as an associative array mysqli_result->fetch_field_direct mysqli_fetch_field_direct N/A Fetch meta-data for a single field mysqli_result->fetch_field mysqli_fetch_field N/A Returns the next field in the result set mysqli_result->fetch_fields mysqli_fetch_fields N/A Returns an array of objects representing the fields in a result set mysqli_result->fetch_object mysqli_fetch_object N/A Returns the current row of a result set as an object mysqli_result->fetch_row mysqli_fetch_row N/A Get a result row as an enumerated array mysqli_result->field_seek mysqli_field_seek N/A Set result pointer to a specified field offset mysqli_result->free, mysqli_result->close, mysqli_result->free_result mysqli_free_result N/A Frees the memory associated with a result MySQL_Driver OOP Interface Procedural Interface Alias (Do not use) Description Properties N/A Methods mysqli_driver->embedded_server_end mysqli_embedded_server_end N/A NOT DOCUMENTED mysqli_driver->embedded_server_start mysqli_embedded_server_start N/A NOT DOCUMENTED Alias functions are provided for backward compatibility purposes only. Do not use them in new projects.