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fdf_next_field_name

(PHP 4, PHP 5, PHP 7)

fdf_next_field_nameGet the next field name

说明

string fdf_next_field_name ( resource $fdf_document [, string $fieldname ] )

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" ;
}
?>

参见

  • fdf_get_value() - Get the value of a field
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