# fdf_set_value

(PHP 4, PHP 5 < 5.3.0, PECL fdf SVN)

fdf_set_value — Set the value of a field

### 说明

fdf_set_value(
resource `$fdf_document`,
string `$fieldname`,
mixed `$value`,
int `$isName` = ?
): bool

Sets the `value` for the given 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.
`value`
  This parameter will be stored as a string unless it is an array. In this case all array elements will be stored as a value array.
`isName`

  > 注意: In older versions of the FDF toolkit last parameter determined if the field value was to be converted to a PDF Name (= 1) or set to a PDF String (= 0). The value is no longer used in the current toolkit version 5.0. For compatibility reasons it is still supported as an optional parameter, but ignored internally.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 参见

- fdf_get_value() - Get the value of a field
- fdf_remove_item() - Sets target frame for form

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