Php/docs/function.fdf-next-field-name
来自菜鸟教程
fdf_next_field_name
(PHP 4, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_next_field_name — Get the next field name
说明
fdf_next_field_name
( resource $fdf_document
[, string $fieldname
] ) : string
Gets the name of the field after the given field. This name can be used with several functions.
参数
fdf_document- The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
fieldname- Name of the FDF field, as a string. If not given, the first field will be assumed.
返回值
Returns the field name as a string.
范例
Example #1 Detecting all fieldnames in a FDF
<?php$fdf = fdf_open($HTTP_FDF_DATA);for ($field = fdf_next_field_name($fdf); $field != ""; $field = fdf_next_field_name($fdf, $field)) { echo "field: $field\n";}?>
