fdf_next_field_name

Get the next field name (PHP 3>= 3.0.6, PHP 4 )
string fdf_next_field_name ( resource fdf_document [, string fieldname] )

The fdf_next_field_name() function returns the name of the field after the field in fieldname or the field name of the first field if the second parameter is NULL.

Example 344. Detecting all fieldnames in a FDF

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<?php
 $fdf = fdf_open($HTTP_FDF_DATA);
 for($field = fdf_next_field_name($fdf);
    $field != "";
    $field = fdf_next_field_name($fdf, $field)) {
   echo "field: $field\n";
 }
?>

See also fdf_enum_fields() and fdf_get_value().

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