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mysqli_stmt::attr_get -- mysqli_stmt_attr_get — Used to get the current value of a statement attribute
面向对象风格
$attr
)过程化风格
$stmt
, int $attr
)Gets the current value of a statement attribute.
stmt
仅以过程化样式:由 mysqli_stmt_init() 返回的 statement 标识。
attr
The attribute that you want to get.
Returns FALSE
if the attribute is not found, otherwise returns the value of the attribute.