PHP Manual
FDF 函数
Get the value of a field

fdf_get_value

(PHP 4, PHP 5, PHP 7)

fdf_get_value — Get the value of a field

说明

fdf_get_value ( resource $fdf_document , string $fieldname [, int $which = -1 ] ) : mixed

Gets the value for the requested field.

参数

fdf_document: The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
fieldname: Name of the FDF field, as a string.
which: Elements of an array field can be retrieved by passing this optional parameter, starting at zero. For non-array fields, this parameter will be ignored.

返回值

Returns the field value.

更新日志

版本	说明
4.3.0	Support for arrays and the `which` parameter were added.

参见

fdf_set_value() - Set the value of a field

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