PHP Manual
Function Reference
Database Extensions
Vendor Specific Database Extensions
MySQL
Overview of the MySQL PHP drivers
MySQLi
Mysql_xdevapi
MySQL (Original)
Mysqlnd
Character sets
Introduction
MySQL
PHP Manual
MySQL Improved Extension
Table of Contents
Introduction
Overview
Quick start guide
Dual procedural and object-oriented interface
Connections
Executing statements
Prepared Statements
Stored Procedures
Multiple Statements
API support for transactions
Metadata
Installing/Configuring
Requirements
Installation
Runtime Configuration
The mysqli Extension and Persistent Connections
Predefined Constants
Notes
The MySQLi Extension Function Summary
mysqli
— The mysqli class
mysqli::$affected_rows
— Gets the number of affected rows in a previous MySQL operation
mysqli::autocommit
— Turns on or off auto-committing database modifications
mysqli::begin_transaction
— Starts a transaction
mysqli::change_user
— Changes the user of the database connection
mysqli::character_set_name
— Returns the current character set of the database connection
mysqli::close
— Closes a previously opened database connection
mysqli::commit
— Commits the current transaction
mysqli::$connect_errno
— Returns the error code from last connect call
mysqli::$connect_error
— Returns a description of the last connection error
mysqli::__construct
— Open a new connection to the MySQL server
mysqli::debug
— Performs debugging operations
mysqli::dump_debug_info
— Dump debugging information into the log
mysqli::$errno
— Returns the error code for the most recent function call
mysqli::$error
— Returns a string description of the last error
mysqli::$error_list
— Returns a list of errors from the last command executed
mysqli::execute_query
— Prepares, binds parameters, and executes SQL statement
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 an object for use with mysqli_real_connect()
mysqli::$insert_id
— Returns the value generated for an AUTO_INCREMENT column by the last query
mysqli::kill
— Asks the server to kill a MySQL thread
mysqli::more_results
— Check if there are any more query results from a multi query
mysqli::multi_query
— Performs one or more queries on the database
mysqli::next_result
— Prepare next result from multi_query
mysqli::options
— Set options
mysqli::ping
— Pings a server connection, or tries to reconnect if the connection has gone down
mysqli::poll
— Poll connections
mysqli::prepare
— Prepares an SQL statement for execution
mysqli::query
— Performs a query on the database
mysqli::real_connect
— Opens a connection to a mysql server
mysqli::real_escape_string
— Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection
mysqli::real_query
— Execute an SQL query
mysqli::reap_async_query
— Get result from async query
mysqli::refresh
— Refreshes
mysqli::release_savepoint
— Removes the named savepoint from the set of savepoints of the current transaction
mysqli::rollback
— Rolls back current transaction
mysqli::savepoint
— Set a named transaction savepoint
mysqli::select_db
— Selects the default database for database queries
mysqli::set_charset
— Sets the client character set
mysqli::$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
mysqli_stmt
— The mysqli_stmt class
mysqli_stmt::$affected_rows
— Returns the total number of rows changed, deleted, inserted, or matched by the last statement executed
mysqli_stmt::attr_get
— Used to get the current value of a statement attribute
mysqli_stmt::attr_set
— Used to modify the behavior of a prepared statement
mysqli_stmt::bind_param
— Binds variables to a prepared statement as parameters
mysqli_stmt::bind_result
— Binds variables to a prepared statement for result storage
mysqli_stmt::close
— Closes a prepared statement
mysqli_stmt::__construct
— Constructs a new mysqli_stmt object
mysqli_stmt::data_seek
— Adjusts the result pointer to an arbitrary row in the buffered result
mysqli_stmt::$errno
— Returns the error code for the most recent statement call
mysqli_stmt::$error
— Returns a string description for last statement error
mysqli_stmt::$error_list
— Returns a list of errors from the last statement executed
mysqli_stmt::execute
— Executes a prepared statement
mysqli_stmt::fetch
— Fetch results from a prepared statement into the bound variables
mysqli_stmt::$field_count
— Returns the number of columns in the given statement
mysqli_stmt::free_result
— Frees stored result memory for the given statement handle
mysqli_stmt::get_result
— Gets a result set from a prepared statement as a mysqli_result object
mysqli_stmt::get_warnings
— Get result of SHOW WARNINGS
mysqli_stmt::$insert_id
— Get the ID generated from the previous INSERT operation
mysqli_stmt::more_results
— Check if there are more query results from a multiple query
mysqli_stmt::next_result
— Reads the next result from a multiple query
mysqli_stmt::$num_rows
— Returns the number of rows fetched from the server
mysqli_stmt::$param_count
— Returns the number of parameters for the given statement
mysqli_stmt::prepare
— Prepares an SQL statement for execution
mysqli_stmt::reset
— Resets a prepared statement
mysqli_stmt::result_metadata
— Returns result set metadata from a prepared statement
mysqli_stmt::send_long_data
— Send data in blocks
mysqli_stmt::$sqlstate
— Returns SQLSTATE error from previous statement operation
mysqli_stmt::store_result
— Stores a result set in an internal buffer
mysqli_result
— The mysqli_result class
mysqli_result::__construct
— Constructs a mysqli_result object
mysqli_result::$current_field
— Get current field offset of a result pointer
mysqli_result::data_seek
— Adjusts the result pointer to an arbitrary row in the result
mysqli_result::fetch_all
— Fetch all result rows as an associative array, a numeric array, or both
mysqli_result::fetch_array
— Fetch the next row of a result set as an associative, a numeric array, or both
mysqli_result::fetch_assoc
— Fetch the next row of a result set as an associative array
mysqli_result::fetch_column
— Fetch a single column from the next row of a result set
mysqli_result::fetch_field
— Returns the next field in the result set
mysqli_result::fetch_field_direct
— Fetch meta-data for a single field
mysqli_result::fetch_fields
— Returns an array of objects representing the fields in a result set
mysqli_result::fetch_object
— Fetch the next row of a result set as an object
mysqli_result::fetch_row
— Fetch the next row of a result set as an enumerated array
mysqli_result::$field_count
— Gets the number of fields in the result set
mysqli_result::field_seek
— Set result pointer to a specified field offset
mysqli_result::free
— Frees the memory associated with a result
mysqli_result::getIterator
— Retrieve an external iterator
mysqli_result::$lengths
— Returns the lengths of the columns of the current row in the result set
mysqli_result::$num_rows
— Gets the number of rows in the result set
mysqli_driver
— The mysqli_driver class
mysqli_driver::embedded_server_end
— Stop embedded server
mysqli_driver::embedded_server_start
— Initialize and start embedded server
mysqli_driver::$report_mode
— Sets mysqli error reporting mode
mysqli_warning
— The mysqli_warning class
mysqli_warning::__construct
— Private constructor to disallow direct instantiation
mysqli_warning::next
— Fetch next warning
mysqli_sql_exception
— The mysqli_sql_exception class
mysqli_sql_exception::getSqlState
— Returns the SQLSTATE error code
Aliases and deprecated Mysqli Functions
mysqli_connect
— Alias of mysqli::__construct
mysqli::escape_string
— Alias of mysqli_real_escape_string
mysqli_execute
— Alias of mysqli_stmt_execute
mysqli_get_client_stats
— Returns client per-process statistics
mysqli_get_links_stats
— Return information about open and cached links
mysqli_report
— Alias of mysqli_driver->report_mode
mysqli::set_opt
— Alias of mysqli_options
Changelog