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.
範例 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().