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.

示例

示例 #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";
}
?>

参见

fdf_get_value() - Get the value of a field

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