# fdf_get_value

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

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.

### 参见

- fdf_set_value() - Set the value of a field

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