MySQLi
PHP Manual

The MySQLi Extension Function Summary

Summary of mysqli methods
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::client_info mysqli_get_client_info N/A Returns the MySQL client version as a string
$mysqli::client_version mysqli_get_client_version N/A Returns MySQL client version info as an integer
$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-committing 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_connection_stats mysqli_get_connection_stats N/A Returns client connection statistics. Available only with mysqlnd.
mysqli::get_client_info mysqli_get_client_info N/A Returns the MySQL client version as a string
mysqli::get_client_stats mysqli_get_client_stats N/A Returns client per-process statistics. Available only with mysqlnd.
mysqli::get_cache_stats mysqli_get_cache_stats N/A Returns client Zval cache statistics. Available only with mysqlnd.
mysqli::get_server_info mysqli_get_server_info N/A Returns a string representing the version of the MySQL server that the MySQLi extension is connected to
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 an 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 an SQL statement, taking into account the current charset of the connection
mysqli::real_query mysqli_real_query N/A Execute an SQL query
mysqli::refresh mysqli_refresh N/A Flushes tables or caches, or resets the replication server information
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
Summary of mysqli_stmt methods
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 Gets a result set from a prepared statement. Available only with mysqlnd.
mysqli_stmt::get_warnings mysqli_stmt_get_warnings N/A NOT DOCUMENTED
$mysqli_stmt::more_results mysqli_stmt_more_results N/A Checks if there are more query results from a multiple query
$mysqli_stmt::next_result mysqli_stmt_next_result N/A Reads the next result from a multiple query
mysqli_stmt::num_rows mysqli_stmt_num_rows N/A See also property $mysqli_stmt::num_rows
mysqli_stmt::prepare mysqli_stmt_prepare N/A Prepare an 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
Summary of mysqli_result methods
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 arbitrary 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. Available only with mysqlnd.
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
Summary of mysqli_driver methods
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

Note:

Alias functions are provided for backward compatibility purposes only. Do not use them in new projects.