fdf_next_field_name
(PHP 4, PHP 5)
fdf_next_field_name — Get the next field name
说明
string fdf_next_field_name ( resource $fdf_document [, string $fieldname ] )Gets the name of the field after the given field. This name can be used with several functions.
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. If not given, the first field will be assumed.
返回值
Returns the field name as a string.
范例
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
";
}
?>
参见
- fdf_get_value() - Get the value of a field
