fdf_next_field_name
Description
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 1. Detecting all fieldnames in a FDF
<?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().
