The mysqli class

(PHP 5, PHP 7)

Introduction

Represents a connection between PHP and a MySQL database.

Class synopsis

mysqli {

/* Properties */

int $affected_rows;

int $connect_errno;

string $connect_error;

int $errno;

array $error_list;

string $error;

int $field_count;

string $client_info;

int $client_version;

string $host_info;

string $protocol_version;

string $server_info;

int $server_version;

string $info;

mixed $insert_id;

string $sqlstate;

int $thread_id;

int $warning_count;

/* Methods */

__construct ([ string $host = ini_get("mysqli.default_host") [, string $username = ini_get("mysqli.default_user") [, string $passwd = ini_get("mysqli.default_pw") [, string $dbname = "" [, int $port = ini_get("mysqli.default_port") [, string $socket = ini_get("mysqli.default_socket") ]]]]]] )

bool autocommit ( bool $mode )

bool change_user ( string $user , string $password , string $database )

string character_set_name ( void )

bool close ( void )

bool commit ([ int $flags [, string $name ]] )

void connect ([ string $host = ini_get("mysqli.default_host") [, string $username = ini_get("mysqli.default_user") [, string $passwd = ini_get("mysqli.default_pw") [, string $dbname = "" [, int $port = ini_get("mysqli.default_port") [, string $socket = ini_get("mysqli.default_socket") ]]]]]] )

bool debug ( string $message )

bool dump_debug_info ( void )

object get_charset ( void )

string get_client_info ( void )

bool get_connection_stats ( void )

string mysqli_stmt::get_server_info ( void )

mysqli_warning get_warnings ( void )

mysqli init ( void )

bool kill ( int $processid )

bool more_results ( void )

bool multi_query ( string $query )

bool next_result ( void )

bool options ( int $option , mixed $value )

bool ping ( void )

public static int poll ( array &$read , array &$error , array &$reject , int $sec [, int $usec ] )

mysqli_stmt prepare ( string $query )

mixed query ( string $query [, int $resultmode = MYSQLI_STORE_RESULT ] )

bool real_connect ([ string $host [, string $username [, string $passwd [, string $dbname [, int $port [, string $socket [, int $flags ]]]]]]] )

string escape_string ( string $escapestr )

string real_escape_string ( string $escapestr )

bool real_query ( string $query )

public mysqli_result reap_async_query ( void )

public bool refresh ( int $options )

bool rollback ([ int $flags [, string $name ]] )

int rpl_query_type ( string $query )

bool select_db ( string $dbname )

bool send_query ( string $query )

bool set_charset ( string $charset )

bool set_local_infile_handler ( mysqli $link , callable $read_func )

bool ssl_set ( string $key , string $cert , string $ca , string $capath , string $cipher )

string stat ( void )

mysqli_stmt stmt_init ( void )

mysqli_result store_result ([ int $option ] )

mysqli_result use_result ( void )

}

mysqli::$affected_rows — Gets the number of affected rows in a previous MySQL operation
mysqli::autocommit — Turns on or off auto-committing database modifications
mysqli::begin_transaction — Starts a transaction
mysqli::change_user — Changes the user of the specified database connection
mysqli::character_set_name — Returns the default character set for the database connection
mysqli::close — Closes a previously opened database connection
mysqli::commit — Commits the current transaction
mysqli::$connect_errno — Returns the error code from last connect call
mysqli::$connect_error — Returns a string description of the last connect error
mysqli::__construct — Open a new connection to the MySQL server
mysqli::debug — Performs debugging operations
mysqli::dump_debug_info — Dump debugging information into the log
mysqli::$errno — Returns the error code for the most recent function call
mysqli::$error_list — Returns a list of errors from the last command executed
mysqli::$error — Returns a string description of the last error
mysqli::$field_count — Returns the number of columns for the most recent query
mysqli::get_charset — Returns a character set object
mysqli::$client_info — Get MySQL client info
mysqli::$client_version — Returns the MySQL client version as an integer
mysqli::get_connection_stats — Returns statistics about the client connection
mysqli::$host_info — Returns a string representing the type of connection used
mysqli::$protocol_version — Returns the version of the MySQL protocol used
mysqli::$server_info — Returns the version of the MySQL server
mysqli::$server_version — Returns the version of the MySQL server as an integer
mysqli::get_warnings — Get result of SHOW WARNINGS
mysqli::$info — Retrieves information about the most recently executed query
mysqli::init — Initializes MySQLi and returns a resource for use with mysqli_real_connect()
mysqli::$insert_id — Returns the auto generated id used in the latest query
mysqli::kill — Asks the server to kill a MySQL thread
mysqli::more_results — Check if there are any more query results from a multi query
mysqli::multi_query — Performs a query on the database
mysqli::next_result — Prepare next result from multi_query
mysqli::options — Set options
mysqli::ping — Pings a server connection, or tries to reconnect if the connection has gone down
mysqli::poll — Poll connections
mysqli::prepare — Prepare an SQL statement for execution
mysqli::query — Performs a query on the database
mysqli::real_connect — Opens a connection to a mysql server
mysqli::real_escape_string — Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection
mysqli::real_query — Execute an SQL query
mysqli::reap_async_query — Get result from async query
mysqli::refresh — Refreshes
mysqli::release_savepoint — Removes the named savepoint from the set of savepoints of the current transaction
mysqli::rollback — Rolls back current transaction
mysqli::rpl_query_type — Returns RPL query type
mysqli::savepoint — Set a named transaction savepoint
mysqli::select_db — Selects the default database for database queries
mysqli::send_query — Send the query and return
mysqli::set_charset — Sets the default client character set
mysqli::set_local_infile_default — Unsets user defined handler for load local infile command
mysqli::set_local_infile_handler — Set callback function for LOAD DATA LOCAL INFILE command
mysqli::$sqlstate — Returns the SQLSTATE error from previous MySQL operation
mysqli::ssl_set — Used for establishing secure connections using SSL
mysqli::stat — Gets the current system status
mysqli::stmt_init — Initializes a statement and returns an object for use with mysqli_stmt_prepare
mysqli::store_result — Transfers a result set from the last query
mysqli::$thread_id — Returns the thread ID for the current connection
mysqli::thread_safe — Returns whether thread safety is given or not
mysqli::use_result — Initiate a result set retrieval
mysqli::$warning_count — Returns the number of warnings from the last query for the given link

The mysqli class

Introduction

Class synopsis

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