function forge_fdf($pdf_form_url, &$fdf_data_strings, &$fdf_data_names, &$fields_hidden, &$fields_readonly)
{
$fdf = "%FDF-1.2\r%ту╧╙\r\n";
// header
$fdf .= "1 0 obj\r<< ";
// open the Root dictionary
$fdf .= "\r/FDF << ";
// open the FDF dictionary
$fdf .= "/Fields [ ";
// open the form Fields array
$fdf_data_strings = burst_dots_into_arrays($fdf_data_strings);
forge_fdf_fields_strings($fdf, $fdf_data_strings, $fields_hidden, $fields_readonly);
$fdf_data_names = burst_dots_into_arrays($fdf_data_names);
forge_fdf_fields_names($fdf, $fdf_data_names, $fields_hidden, $fields_readonly);
$fdf .= "] \r";
// close the Fields array
// the PDF form filename or URL, if given
if ($pdf_form_url) {
$fdf .= "/F (" . escape_pdf_string($pdf_form_url) . ") \r";
}
$fdf .= ">> \r";
// close the FDF dictionary
$fdf .= ">> \rendobj\r";
// close the Root dictionary
// trailer; note the "1 0 R" reference to "1 0 obj" above
$fdf .= "trailer\r<<\r/Root 1 0 R \r\r>>\r";
$fdf .= "%%EOF\r\n";
return $fdf;
}
/**
* Generates the fdf code
*
*@param String $pdf_form_url: a string containing a URL path to a PDF file on the
* server. This PDF MUST exist and contain fields with
* the names referenced by $pdf_data for this function
* to work.
*@param Array $fdf_data_strings: an array of any fields in $pdf_form_url that you want to
* populate, of the form key=>val; where the field
* name is the key, and the field's value is in val.
*@return String
**/
function forge_fdf($pdf_form_url, $fdf_data_strings, $fdf_data_names, $fields_hidden, $fields_readonly)
{
$fdf = "%FDF-1.2\r%ту╧╙\r\n";
// header
$fdf .= "1 0 obj\r<< ";
// open the Root dictionary
$fdf .= "\r/FDF << ";
// open the FDF dictionary
$fdf .= "/Fields [ ";
// open the form Fields array
// string data, used for text fields, combo boxes and list boxes
foreach ($fdf_data_strings as $key => $value) {
$fdf .= "<< /V (" . escape_pdf_string($value) . ")" . "/T (" . escape_pdf_string($key) . ") ";
if (in_array($key, $fields_hidden)) {
$fdf .= "/SetF 2 ";
} else {
$fdf .= "/ClrF 2 ";
}
if (in_array($key, $fields_readonly)) {
$fdf .= "/SetFf 1 ";
} else {
$fdf .= "/ClrFf 1 ";
}
$fdf .= ">> \r";
}
// name data, used for checkboxes and radio buttons
// (e.g., /Yes and /Off for true and false)
foreach ($fdf_data_names as $key => $value) {
$fdf .= "<< /V /" . escape_pdf_name($value) . " /T (" . escape_pdf_string($key) . ") ";
if (in_array($key, $fields_hidden)) {
$fdf .= "/SetF 2 ";
} else {
$fdf .= "/ClrF 2 ";
}
if (in_array($key, $fields_readonly)) {
$fdf .= "/SetFf 1 ";
} else {
$fdf .= "/ClrFf 1 ";
}
$fdf .= ">> \r";
}
$fdf .= "] \r";
// close the Fields array
// the PDF form filename or URL, if given
if ($pdf_form_url) {
$fdf .= "/F (" . escape_pdf_string($pdf_form_url) . ") \r";
}
$fdf .= ">> \r";
// close the FDF dictionary
$fdf .= ">> \rendobj\r";
// close the Root dictionary
// trailer; note the "1 0 R" reference to "1 0 obj" above
$fdf .= "trailer\r<<\r/Root 1 0 R \r\r>>\r";
$fdf .= "%%EOF\r\n";
return $fdf;
}
