fdf_next_field_name
(PHP 3>= 3.0.6, PHP 4 , PHP 5)
fdf_next_field_name -- Get the 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.
例子 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";
}
?>
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See also fdf_enum_fields() and
fdf_get_value().