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(PHP 4, PHP 5, PHP 7)
fdf_next_field_name — Get the next field name
$fdf_document
[, string $fieldname
] )Gets the name of the field after the given field. This name can be used with several functions.
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.
Returns the field name as a string.
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" ;
}
?>