Downloads
Documentation
Get Involved
Help
Search docs
PHP 8.4.0 RC4 available for testing
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
GUI Extensions
Keyboard Shortcuts
?
This help
j
Next menu item
k
Previous menu item
g p
Previous man page
g n
Next man page
G
Scroll to bottom
g g
Scroll to top
g h
Goto homepage
g s
Goto search
(current page)
/
Focus search box
Introduzione »
« Character sets
Manuale PHP
Guida Funzioni
Estensioni di base dati
Estensioni specifiche dei produttori di basi dati
MySQL
Change language:
English
German
Spanish
French
Italian
Japanese
Brazilian Portuguese
Russian
Turkish
Ukrainian
Chinese (Simplified)
Other
MySQL Improved Extension
Introduzione
Overview
Quick start guide
Dual procedural and object-oriented interface
Connections
Executing statements
Prepared Statements
Stored Procedures
Multiple Statements
API support for transactions
Metadata
Installazione/Configurazione
Requisiti
Installazione
Configurazione di Runtime
The mysqli Extension and Persistent Connections
Costanti predefinite
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 Funzioni
mysqli_connect
— Alias di mysqli::__construct
mysqli::escape_string
— Alias di mysqli_real_escape_string
mysqli_execute
— Alias di 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 di mysqli_driver->report_mode
mysqli::set_opt
— Alias di mysqli_options
Storico dei cambiamenti
Improve This Page
Learn How To Improve This Page
•
Submit a Pull Request
•
Report a Bug
+
add a note
User Contributed Notes
There are no user contributed notes for this page.
↑
and
↓
to navigate •
Enter
to select •
Esc
to close
Press
Enter
without selection to search using Google