MySQL增强版扩展

• 简介
• Overview
• Quick start guide
  • Dual procedural and object-oriented interface
  • Connections
  • Executing statements
  • Prepared Statements
  • Stored Procedures
  • Multiple Statements
  • API support for transactions
  • Metadata
• 安装／配置
  • 需求
  • 安装
  • 运行时配置
  • 资源类型
• mysqli扩展和持久化连接
• 预定义常量
• Notes
• MySQLi扩展功能概述
• MySQLi — MySQLi类
  • mysqli::$affected_rows — Gets the number of affected rows in a previous MySQL operation
  • mysqli::autocommit — 打开或关闭本次数据库连接的自动命令提交事务模式
  • mysqli::begin_transaction — Starts a transaction
  • mysqli::change_user — Changes the user of the specified database connection
  • mysqli::character_set_name — 返回当前数据库连接的默认字符编码
  • mysqli::$client_info — Get MySQL client info
  • mysqli::$client_version — Returns the MySQL client version as a string
  • mysqli::close — 关闭先前打开的数据库连接
  • mysqli::commit — 提交一个事务
  • mysqli::$connect_errno — Returns the error code from last connect call
  • mysqli::$connect_error — Returns a string description of the last connect error
  • mysqli::__construct — Open a new connection to the MySQL server
  • mysqli::debug — Performs debugging operations
  • mysqli::dump_debug_info — 将调试信息输出到日志
  • mysqli::errno — 返回最近函数调用的错误代码
  • mysqli::$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::get_client_info — Get MySQL client info
  • mysqli_get_client_stats — Returns client per-process statistics
  • mysqli_get_client_version — Returns the MySQL client version as a string
  • 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 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 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 — 对数据库执行一次查询
  • 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 — 执行一个mysql查询
  • mysqli::reap_async_query — Get result from async query
  • mysqli::refresh — Refreshes
  • mysqli::release_savepoint — Rolls back a transaction to the named savepoint
  • mysqli::rollback — 回退当前事务
  • mysqli::rpl_query_type — Returns RPL query type
  • mysqli::savepoint — Set a named transaction savepoint
  • mysqli::select_db — 选择用于数据库查询的默认数据库
  • mysqli::send_query — 发送请求并返回结果
  • mysqli::set_charset — 设置默认字符编码
  • 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::$sqlstate — Returns the SQLSTATE error from previous MySQL operation
  • mysqli::ssl_set — Used for establishing secure connections using SSL
  • mysqli::stat — Gets the current system status
  • mysqli::stmt_init — 初始化一条语句并返回一个用于mysqli_stmt_prepare(调用)的对象
  • mysqli::store_result — Transfers a result set from the last query
  • mysqli::$thread_id — Returns the thread ID for the current connection
  • mysqli::thread_safe — 返回是否是线程安全的
  • mysqli::use_result — Initiate a result set retrieval
  • mysqli::$warning_count — Returns the number of warnings from the last query for the given link
• MySQLi_STMT — MySQLi_STMT类
  • mysqli_stmt::$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::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 — mysqli_result类
  • 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 — MySQLi_Driver类
  • 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 — MySQLi_Warning类
  • mysqli_warning::__construct — The __construct purpose
  • mysqli_warning::next — The next purpose
• mysqli_sql_exception — The mysqli_sql_exception class
• 别名和过时的Mysqli 函数
  • mysqli_bind_param — mysqli_stmt_bind_param的别名
  • mysqli_bind_result — mysqli_stmt_bind_result的别名
  • mysqli_client_encoding — mysqli_character_set_name的别名
  • mysqli_connect — 别名 mysqli::__construct
  • mysqli::disable_reads_from_master — Disable reads from master
  • mysqli_disable_rpl_parse — 禁用RPL解析
  • mysqli_enable_reads_from_master — 开启从主机读取
  • mysqli_enable_rpl_parse — 开启RPL解析
  • mysqli_escape_string — 别名 mysqli_real_escape_string
  • mysqli_execute — mysqli_stmt_execute的别名
  • mysqli_fetch — mysqli_stmt_fetch的别名。
  • mysqli_get_cache_stats — 返回客户端Zval缓存统计信息
  • mysqli_get_metadata — mysqli_stmt_result_metadata的别名
  • mysqli_master_query — 在主/从机制中强制在主机中执行一个查询
  • mysqli_param_count — mysqli_stmt_param_count的别名
  • mysqli_report — 开启或禁用（Mysql）内部（错误）报告函数
  • mysqli_rpl_parse_enabled — 检查是否开启了RPL解析
  • mysqli_rpl_probe — RPL探测
  • mysqli_send_long_data — mysqli_stmt_send_long_data的别名
  • mysqli_set_opt — mysqli_options的别名
  • mysqli_slave_query — 在主/从机制中强制在从机上执行一个查询