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MySQL
MySQL Improved Extension
MySQL Improved Extension
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
Resource Types
The mysqli Extension and Persistent Connections
Predefined Constants
Notes
The MySQLi Extension Function Summary
Examples
MySQLi extension basic examples
mysqli
— The mysqli class
mysqli::$affected_rows
— Gets the number of affected rows in a previous MySQL operation
mysqli::autocommit
— Turns on or off auto-committing database modifications
mysqli::begin_transaction
— Starts a transaction
mysqli::change_user
— Changes the user of the specified database connection
mysqli::character_set_name
— Returns the default character set for the database connection
mysqli::close
— Closes a previously opened database connection
mysqli::commit
— Commits the current transaction
mysqli::$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
mysqli_stmt
— The mysqli_stmt class
mysqli_stmt::$affected_rows
— Returns the total number of rows changed, deleted, or inserted by the last executed statement
mysqli_stmt::attr_get
— Used to get the current value of a statement attribute
mysqli_stmt::attr_set
— Used to modify the behavior of a prepared statement
mysqli_stmt::bind_param
— Binds variables to a prepared statement as parameters
mysqli_stmt::bind_result
— Binds variables to a prepared statement for result storage
mysqli_stmt::close
— Closes a prepared statement
mysqli_stmt::__construct
— Constructs a new mysqli_stmt object
mysqli_stmt::data_seek
— Seeks to an arbitrary row in statement result set
mysqli_stmt::$errno
— Returns the error code for the most recent statement call
mysqli_stmt::$error_list
— Returns a list of errors from the last statement executed
mysqli_stmt::$error
— Returns a string description for last statement error
mysqli_stmt::execute
— Executes a prepared Query
mysqli_stmt::fetch
— Fetch results from a prepared statement into the bound variables
mysqli_stmt::$field_count
— Returns the number of field in the given statement
mysqli_stmt::free_result
— Frees stored result memory for the given statement handle
mysqli_stmt::get_result
— Gets a result set from a prepared statement
mysqli_stmt::get_warnings
— Get result of SHOW WARNINGS
mysqli_stmt::$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::$num_rows
— Return the number of rows in statements result set
mysqli_stmt::$param_count
— Returns the number of parameter for the given statement
mysqli_stmt::prepare
— Prepare 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::$sqlstate
— Returns SQLSTATE error from previous statement operation
mysqli_stmt::store_result
— Transfers a result set from a prepared statement
mysqli_result
— The mysqli_result class
mysqli_result::$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
— Fetches all result rows as an associative array, a numeric array, or both
mysqli_result::fetch_array
— Fetch a result row as an associative, a numeric array, or both
mysqli_result::fetch_assoc
— Fetch a result row as an associative array
mysqli_result::fetch_field_direct
— Fetch meta-data for a single field
mysqli_result::fetch_field
— Returns the next field in the result set
mysqli_result::fetch_fields
— Returns an array of objects representing the fields in a result set
mysqli_result::fetch_object
— Returns the current row of a result set as an object
mysqli_result::fetch_row
— Get a result row as an enumerated array
mysqli_result::$field_count
— Get the number of fields in a result
mysqli_result::field_seek
— Set result pointer to a specified field offset
mysqli_result::free
— Frees the memory associated with a result
mysqli_result::$lengths
— Returns the lengths of the columns of the current row in the result set
mysqli_result::$num_rows
— Gets the number of rows in a result
mysqli_driver
— The mysqli_driver class
mysqli_driver::embedded_server_end
— Stop embedded server
mysqli_driver::embedded_server_start
— Initialize and start embedded server
mysqli_driver::$report_mode
— Enables or disables internal report functions
mysqli_warning
— The mysqli_warning class
mysqli_warning::__construct
— The __construct purpose
mysqli_warning::next
— The next purpose
mysqli_sql_exception
— The mysqli_sql_exception class
Aliases and deprecated Mysqli Functions
mysqli_bind_param
— Alias for mysqli_stmt_bind_param
mysqli_bind_result
— Alias for mysqli_stmt_bind_result
mysqli_client_encoding
— Alias of mysqli_character_set_name
mysqli_connect
— Alias of mysqli::__construct
mysqli::disable_reads_from_master
— Disable reads from master
mysqli_disable_rpl_parse
— Disable RPL parse
mysqli_enable_reads_from_master
— Enable reads from master
mysqli_enable_rpl_parse
— Enable RPL parse
mysqli_escape_string
— Alias of mysqli_real_escape_string
mysqli_execute
— Alias for mysqli_stmt_execute
mysqli_fetch
— Alias for mysqli_stmt_fetch
mysqli_get_cache_stats
— Returns client Zval cache statistics
mysqli_get_client_stats
— Returns client per-process statistics
mysqli_get_links_stats
— Return information about open and cached links
mysqli_get_metadata
— Alias for mysqli_stmt_result_metadata
mysqli_master_query
— Enforce execution of a query on the master in a master/slave setup
mysqli_param_count
— Alias for mysqli_stmt_param_count
mysqli_report
— Alias of mysqli_driver->report_mode
mysqli_rpl_parse_enabled
— Check if RPL parse is enabled
mysqli_rpl_probe
— RPL probe
mysqli_send_long_data
— Alias for mysqli_stmt_send_long_data
mysqli::set_opt
— Alias of mysqli_options
mysqli_slave_query
— Force execution of a query on a slave in a master/slave setup
Changelog