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mysqli_stmt::__construct

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::__construct — Constructs a new mysqli_stmt object

说明

public mysqli_stmt::__construct(mysqli $mysql, ?string $query = null)

This method constructs a new mysqli_stmt object.

参数

link

A valid mysqli object.

query

The query, as a string. If this parameter is null, then the constructor behaves identically to mysqli_stmt_init(), otherwise it behaves as per mysqli_prepare().

错误／异常

If mysqli error reporting is enabled (MYSQLI_REPORT_ERROR) and the requested operation fails, a warning is generated. If, in addition, the mode is set to MYSQLI_REPORT_STRICT, a mysqli_sql_exception is thrown instead.

更新日志

版本 说明
8.0.0 query is now nullable.

参见