print_pdf/print_pdf.pages.inc

   1 <?php
   2 // $Id$
   3
   4 /**
   5  * @file
   6  * Generates the PDF versions of the pages
   7  *
   8  * This file is included by the print_pdf module and includes the
   9  * functions that interface with the PDF generation packages.
  10  */
  11
  12 require_once(DRUPAL_ROOT . '/' . drupal_get_path('module', 'print') . '/print.pages.inc');
  13
  14 /**
  15  * Generate a PDF version of the printer-friendly page
  16  *
  17  * @see print_controller()
  18  * @see _print_get_template()
  19  * @see _print_pdf_dompdf()
  20  * @see _print_pdf_tcpdf()
  21  */
  22 function print_pdf_controller() {
  23   global $base_url, $language;
  24
  25   // Disable caching for generated PDFs, as Drupal doesn't ouput the proper headers from the cache
  26   $GLOBALS['conf']['cache'] = FALSE;
  27
  28   $args = func_get_args();
  29   $path = implode('/', $args);
  30   $cid = isset($_GET['comment']) ? (int)$_GET['comment'] : NULL;
  31
  32   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
  33
  34   $print = print_controller($path, $cid, PRINT_PDF_FORMAT);
  35   if ($print === FALSE) {
  36     return;
  37   }
  38
  39   // Img elements must be set to absolute
  40   $pattern = '!<(img\s[^>]*?)>!is';
  41   $print['content'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['content']);
  42   $print['logo'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['logo']);
  43   $print['footer_message'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['footer_message']);
  44   // And converted from private to public paths
  45   $file_downloads = variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC);
  46   if ($file_downloads == FILE_DOWNLOADS_PRIVATE) {
  47     switch (variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE)) {
  48       case LANGUAGE_NEGOTIATION_PATH_DEFAULT:
  49       case LANGUAGE_NEGOTIATION_PATH:
  50         $lang = $language->language;
  51         break;
  52       default:
  53         $lang = '';
  54         break;
  55     }
  56     $pattern = "!(<img\s[^>]*?src\s*?=\s*?['\"]?)${base_url}/(?:(?:index.php)?\?q=)?(?:${lang}/)?system/files(/[^>]*?>)!is";
  57     $replacement = '$1file://' . realpath(file_directory_path()) . '$2';
  58     $print['content'] = preg_replace($pattern, $replacement, $print['content']);
  59     $print['logo'] = preg_replace($pattern, $replacement, $print['logo']);
  60     $print['footer_message'] = preg_replace($pattern, $replacement, $print['footer_message']);
  61   }
  62
  63   $node = $print['node'];
  64   ob_start();
  65   include_once(DRUPAL_ROOT . '/' . _print_get_template(PRINT_PDF_FORMAT, $print['type']));
  66   $html = ob_get_contents();
  67   ob_end_clean();
  68
  69   // Convert the a href elements
  70   $pattern = '!<(a\s[^>]*?)>!is';
  71   $html = preg_replace_callback($pattern, '_print_rewrite_urls', $html);
  72
  73   $pdf_filename = variable_get('print_pdf_filename', PRINT_PDF_FILENAME_DEFAULT);
  74   if (function_exists('token_replace') && !empty($pdf_filename)) {
  75     $pdf_filename = token_replace($pdf_filename, 'node', $node) . '.pdf';
  76   }
  77   else {
  78     $pdf_filename = str_replace('/', '_', $path) . '.pdf';
  79   }
  80   if (basename($print_pdf_pdf_tool) == 'dompdf_config.inc.php') {
  81     _print_pdf_dompdf($print, $html, $pdf_filename);
  82   }
  83   elseif (basename($print_pdf_pdf_tool) == 'tcpdf.php') {
  84     _print_pdf_tcpdf($print, $html, $pdf_filename);
  85   }
  86   elseif (basename($print_pdf_pdf_tool) == 'wkhtmltopdf') {
  87     _print_pdf_wkhtmltopdf($print, $html, $pdf_filename);
  88   }
  89   else {
  90     return drupal_not_found();
  91   }
  92
  93   $nodepath = (isset($node->path)) ? drupal_get_normal_path($node->path) : 'node/' . $path;
  94   db_merge('print_pdf_page_counter')
  95     ->key(array('path' => $nodepath))
  96     ->fields(array(
  97         'totalcount' => 1,
  98         'timestamp' => REQUEST_TIME,
  99     ))
 100     ->expression('totalcount', 'totalcount + :inc', array(':inc' => 1))
 101     ->execute();
 102 }
 103
 104 /**
 105  * Generate the PDF file using the dompdf library
 106  *
 107  * @param $print
 108  *   array containing the configured data
 109  * @param $html
 110  *   contents of the post-processed template already with the node data
 111  * @param $filename
 112  *   name of the PDF file to be generated
 113  * @see print_pdf_controller()
 114  */
 115 function _print_pdf_dompdf($print, $html, $filename) {
 116   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 117   $print_pdf_paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
 118   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 119   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 120   require_once(DRUPAL_ROOT . '/' . $print_pdf_pdf_tool);
 121
 122   // dompdf seems to have problems with something in system.css so let's not use it
 123   $html = preg_replace('!<link.*?modules/system/system.css.*?/>!', '', $html);
 124
 125   $url_array  = parse_url($print['url']);
 126
 127   $protocol = $url_array['scheme'] . '://';
 128   $host = $url_array['host'];
 129   $path = dirname($url_array['path']) . '/';
 130
 131   $dompdf = new DOMPDF();
 132   $dompdf->set_base_path($path);
 133   $dompdf->set_host($host);
 134   $dompdf->set_paper(drupal_strtolower($print_pdf_paper_size), $print_pdf_page_orientation);
 135   $dompdf->set_protocol($protocol);
 136
 137 // dompdf can't handle footers cleanly, so disable the following
 138 //  $html = theme('print_pdf_dompdf_footer', $html);
 139
 140   // Convert from UTF-8 to ISO 8859-1 and then to HTML entities
 141   if (function_exists('utf8_decode')) {
 142     $html = utf8_decode($html);
 143   }
 144 // iconv fails silently when it encounters something that it doesn't know, so don't use it
 145 //  else if (function_exists('iconv')) {
 146 //    $html = iconv('UTF-8', 'ISO-8859-1', $html);
 147 //  }
 148   elseif (function_exists('mb_convert_encoding')) {
 149     $html = mb_convert_encoding($html, 'ISO-8859-1', 'UTF-8');
 150   }
 151   elseif (function_exists('recode_string')) {
 152     $html = recode_string('UTF-8..ISO_8859-1', $html);
 153   }
 154   $html = htmlspecialchars_decode(htmlentities($html, ENT_NOQUOTES, 'ISO-8859-1'), ENT_NOQUOTES);
 155
 156   //must get rid of tbody (dompdf goes into recursion)
 157   $html = preg_replace('!<tbody[^>]*?>|</tbody>!i', '', $html);
 158
 159   $dompdf->load_html($html);
 160
 161   $dompdf->render();
 162   $dompdf->stream($filename, array('Attachment' => ($print_pdf_content_disposition == 2)));
 163 }
 164
 165 /**
 166  * Generate the PDF file using the TCPDF library
 167  *
 168  * @param $print
 169  *   array containing the configured data
 170  * @param $html
 171  *   contents of the post-processed template already with the node data
 172  * @param $filename
 173  *   name of the PDF file to be generated
 174  * @see print_pdf_controller()
 175  */
 176 function _print_pdf_tcpdf($print, $html, $filename) {
 177   global $base_url, $language;
 178
 179   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 180   $print_pdf_paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
 181   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 182   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 183
 184   $pdf_tool_path = realpath(dirname($print_pdf_pdf_tool));
 185
 186   define('K_TCPDF_EXTERNAL_CONFIG', TRUE);
 187   define('K_PATH_MAIN', dirname($_SERVER['SCRIPT_FILENAME']));
 188   define('K_PATH_URL', $base_url);
 189   define('K_PATH_FONTS', $pdf_tool_path . '/fonts/');
 190   define('K_PATH_CACHE', $pdf_tool_path . '/cache/');
 191   define('K_PATH_IMAGES', '');
 192   define('K_BLANK_IMAGE', $pdf_tool_path . '/images/_blank.png');
 193   define('K_CELL_HEIGHT_RATIO', 1.25);
 194   define('K_SMALL_RATIO', 2/3);
 195
 196   // Decode HTML entities in image filenames
 197   $pattern = "!<img[^>]*?>!is";
 198   $html = preg_replace_callback($pattern, create_function('$matches', 'return html_entity_decode($matches[0], ENT_QUOTES);'), $html);
 199   // Remove imagefield/filefield numerical parameter
 200   $pattern = "!(<img\s[^>]*?src\s*?=.*?)%3F\d+([^>]*?>)!is";
 201   $html = preg_replace($pattern, '$1$2', $html);
 202
 203   require_once(DRUPAL_ROOT . '/' . $print_pdf_pdf_tool);
 204   if (strpos(PDF_PRODUCER, 'PHP4') === FALSE) {
 205     require_once(DRUPAL_ROOT . '/' . drupal_get_path('module', 'print_pdf') . '/print_pdf.class.inc');
 206   }
 207   else {
 208     drupal_set_message(t("The PHP4 version of TCPDF is not supported. Please upgrade it."), 'error', FALSE);
 209     drupal_goto($_GET['q']);
 210   }
 211
 212   $font = Array(
 213     variable_get('print_pdf_font_family', PRINT_PDF_FONT_FAMILY_DEFAULT),
 214     '',
 215     variable_get('print_pdf_font_size', PRINT_PDF_FONT_SIZE_DEFAULT),
 216   );
 217   $orientation = drupal_strtoupper($print_pdf_page_orientation[0]);
 218
 219   // create new PDF document
 220   $pdf = new PrintTCPDF($orientation , 'mm', $print_pdf_paper_size, TRUE);
 221
 222   // set document information
 223   $pdf->SetAuthor(strip_tags($print['submitted']));
 224   $pdf->SetCreator(variable_get('site_name', 'Drupal'));
 225   $pdf->SetTitle(html_entity_decode($print['title'], ENT_QUOTES, UTF-8));
 226   $keys = implode(' ', explode("\n", trim(strip_tags($print['taxonomy']))));
 227   $pdf->SetKeywords($keys);
 228   $pdf->setPDFVersion('1.6');
 229
 230   if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL) {
 231     $pdf->setRTL(TRUE);
 232   }
 233
 234   $pdf = theme('print_pdf_tcpdf_header', $pdf, $html, $font);
 235   $pdf = theme('print_pdf_tcpdf_footer', $pdf, $html, $font);
 236   $pdf = theme('print_pdf_tcpdf_page', $pdf);
 237
 238   //initialize document
 239   $pdf->AliasNbPages();
 240
 241   // add a page
 242   $pdf->AddPage();
 243
 244   $pdf = theme('print_pdf_tcpdf_content', $pdf, $html, $font);
 245
 246   // reset pointer to the last page
 247   $pdf->lastPage();
 248
 249   // try to recover from any warning/error
 250   ob_clean();
 251
 252   //Close and output PDF document
 253   $output_dest = ($print_pdf_content_disposition == 2) ? 'D' : 'I';
 254   $pdf->Output($filename, $output_dest);
 255 }
 256
 257 /**
 258  * Generate the PDF file using wkhtmltopdf
 259  *
 260  * @param $print
 261  *   array containing the configured data
 262  * @param $html
 263  *   contents of the post-processed template already with the node data
 264  * @param $filename
 265  *   name of the PDF file to be generated
 266  * @see print_pdf_controller()
 267  */
 268 function _print_pdf_wkhtmltopdf($print, $html, $filename) {
 269   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 270   $print_pdf_paper_size = drupal_strtolower(variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT));
 271   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 272   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 273   $print_pdf_wkhtmltopdf_options = variable_get('print_pdf_wkhtmltopdf_options', PRINT_PDF_WKHTMLTOPDF_OPTIONS);
 274   $print_pdf_xvfb_options = variable_get('print_pdf_xvfb_options', PRINT_PDF_XVFB_OPTIONS);
 275
 276   $xvfb_binary = key(file_scan_directory(drupal_get_path('module', 'print'), '!^Xvfb$!'));
 277   $dpi = 96;
 278
 279   // If available, launch a temporary X server
 280   if (isset($xvfb_binary)) {
 281     $xdisplay = variable_get('print_pdf_wkhtmltopdf_xdisplay', 10);
 282     variable_set('print_pdf_wkhtmltopdf_xdisplay', ($xdisplay == 4990) ? 10 : $xdisplay + 10);
 283     $xdisplay += mt_rand(0, 9);
 284
 285     $xcmd = realpath($xvfb_binary) . " :$xdisplay -screen 0 320x200x24 -dpi $dpi -terminate -nolisten tcp -tst $print_pdf_xvfb_options";
 286
 287     $xdescriptor = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
 288     $xprocess = proc_open($xcmd, $xdescriptor, $xpipes, NULL, NULL);
 289   }
 290
 291   $descriptor = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
 292   $cmd = realpath($print_pdf_pdf_tool) . " --page-size $print_pdf_paper_size --orientation $print_pdf_page_orientation --dpi $dpi $print_pdf_wkhtmltopdf_options - -";
 293
 294   $process = proc_open($cmd, $descriptor, $pipes, NULL, isset($xvfb_binary) ? array('DISPLAY' => ':' . $xdisplay) : NULL);
 295
 296   if (is_resource($process)) {
 297     fwrite($pipes[0], $html);
 298     fclose($pipes[0]);
 299
 300     $pdf = stream_get_contents($pipes[1]);
 301     fclose($pipes[1]);
 302
 303     stream_set_blocking($xpipes[2], 0);
 304     $error = stream_get_contents($pipes[2]);
 305     if (!empty($error)) {
 306       watchdog('print_pdf', 'wkhtmltopdf: ' . $error);
 307     }
 308     fclose($pipes[2]);
 309
 310     $retval = proc_terminate($process);
 311   }
 312   if (isset($xvfb_binary)) {
 313     fclose($xpipes[0]);
 314     fclose($xpipes[1]);
 315     stream_set_blocking($xpipes[2], 0);
 316     $xerror = stream_get_contents($xpipes[2]);
 317     if (!empty($xerror)) {
 318       watchdog('print_pdf', 'wkhtmltopdf Xvfb: ' . $xerror);
 319     }
 320     fclose($xpipes[2]);
 321
 322     proc_terminate($xprocess);
 323   }
 324
 325   if (!empty($pdf)) {
 326     if (headers_sent()) {
 327       die("Unable to stream pdf: headers already sent");
 328     }
 329     header("Cache-Control: private");
 330     header("Content-Type: application/pdf");
 331
 332     $attachment =  ($print_pdf_content_disposition == 2) ?  "attachment" :  "inline";
 333
 334     header("Content-Disposition: $attachment; filename=\"$filename\"");
 335
 336     echo $pdf;
 337     flush();
 338   }
 339   else {
 340     drupal_goto($print['url']);
 341     exit;
 342   }
 343 }
 344
 345 /**
 346  * Format the dompdf footer contents
 347  *
 348  * @param $html
 349  *   contents of the body of the HTML from the original node
 350  * @see theme_print_pdf_tcpdf_footer()
 351  */
 352 function theme_print_pdf_dompdf_footer(&$html) {
 353   preg_match('!<div class="print-footer">(.*?)</div>!si', $html, $tpl_footer);
 354   $html = str_replace($tpl_footer[0], '', $html);
 355
 356   $text = '<script type="text/php">
 357     if (isset($pdf)) {
 358       $font = Font_Metrics::get_font("verdana");;
 359       $size = 10;
 360       $color = array(0,0,0);
 361       $text_height = Font_Metrics::get_font_height($font, $size);
 362
 363       $w = $pdf->get_width();
 364       $h = $pdf->get_height();
 365
 366       $footer = $pdf->open_object();
 367
 368       // Draw a line along the bottom
 369       $y = $h - 25;
 370       $pdf->line(15, $y, $w - 15, $y, $color, 1);
 371
 372       $y += $text_height / 2;
 373       $pdf->page_text(15, $y, \'' . addslashes(strip_tags($tpl_footer[1])) . '\', $font, $size, $color);
 374
 375       $pdf->close_object();
 376       $pdf->add_object($footer, "all");
 377
 378       // Center the text
 379       $width = Font_Metrics::get_text_width("Page 1 of 2", $font, $size);
 380       $pagenumtxt = t("Page !n of !total", array("!n" => "{PAGE_NUM}", "!total" => "{PAGE_COUNT}"));
 381       $pdf->page_text($w - 15 - $width, $y, $pagenumtxt, $font, $size, $color);
 382     }
 383   </script>';
 384
 385   return str_replace("<body>", "<body>" . $text, $html);
 386 }
 387
 388 /**
 389  * Format the TCPDF header
 390  *
 391  * @param $pdf
 392  *   current TCPDF object
 393  * @param $html
 394  *   contents of the body of the HTML from the original node
 395  * @param $font
 396  *   array with the font definition (font name, styles and size)
 397  * @see theme_print_pdf_tcpdf_header()
 398  */
 399 function theme_print_pdf_tcpdf_header(&$pdf, &$html, $font) {
 400   preg_match('!<div class="print-logo">(.*?)</div>!si', $html, $tpl_logo);
 401   preg_match('!<h1 class="print-title">(.*?)</h1>!si', $html, $tpl_title);
 402   preg_match('!<div class="print-site_name">(.*?)</div>!si', $html, $tpl_site_name);
 403
 404   $ratio = 0;
 405   $logo = '';
 406   $logo_ret = preg_match('!src\s*=\s*(\'.*?\'|".*?"|[^\s]*)!i', $tpl_logo[1], $matches);
 407   if ($logo_ret) {
 408     $logo = trim($matches[1], '\'"');
 409     $size = getimagesize($logo);
 410     $ratio = $size ? ($size[0] / $size[1]) : 0;
 411   }
 412
 413   // set header font
 414   $pdf->setHeaderFont($font);
 415   // set header margin
 416   $pdf->SetHeaderMargin(5);
 417   // set header data
 418   $pdf->SetHeaderData($logo, 10 * $ratio, html_entity_decode($tpl_title[1], ENT_QUOTES, 'UTF-8'), strip_tags($tpl_site_name[1]));
 419
 420   return $pdf;
 421 }
 422
 423 /**
 424  * Format the TCPDF page settings (margins, etc)
 425  *
 426  * @param $pdf
 427  *   current TCPDF object
 428  * @see theme_print_pdf_tcpdf_page()
 429  */
 430 function theme_print_pdf_tcpdf_page(&$pdf) {
 431   // set margins
 432   $pdf->SetMargins(15, 20, 15);
 433   // set auto page breaks
 434   $pdf->SetAutoPageBreak(TRUE, 15);
 435   // set image scale factor
 436   $pdf->setImageScale(4);
 437   // set image compression quality
 438   $pdf->setJPEGQuality(100);
 439
 440   return $pdf;
 441 }
 442
 443 /**
 444  * Format the TCPDF page content
 445  *
 446  * @param $pdf
 447  *   current TCPDF object
 448  * @param $html
 449  *   contents of the body of the HTML from the original node
 450  * @param $font
 451  *   array with the font definition (font name, styles and size)
 452  * @see theme_print_pdf_tcpdf_content()
 453  */
 454 function theme_print_pdf_tcpdf_content(&$pdf, &$html, $font) {
 455   // set content font
 456   $pdf->setFont($font[0], $font[1], $font[2]);
 457
 458   preg_match('!<body.*?>(.*)</body>!sim', $html, $matches);
 459   $pattern = '!(?:<div class="print-(?:logo|site_name|breadcrumb|footer)">.*?</div>|<hr class="print-hr" />)!si';
 460   $matches[1] = preg_replace($pattern, '', $matches[1]);
 461
 462   // Make CCK fields look better
 463   $matches[1] = preg_replace('!(<div class="field.*?>)\s*!sm', '$1', $matches[1]);
 464   $matches[1] = preg_replace('!(<div class="field.*?>.*?</div>)\s*!sm', '$1', $matches[1]);
 465   $matches[1] = preg_replace('!<div( class="field-label.*?>.*?)</div>!sm', '<strong$1</strong>', $matches[1]);
 466
 467   // Since TCPDF's writeHTML is so bad with <p>, do everything possible to make it look nice
 468   $matches[1] = preg_replace('!<(?:p(|\s+.*?)/?|/p)>!i', '<br$1 />', $matches[1]);
 469   $matches[1] = str_replace(array('<div', 'div>'), array('<span', 'span><br />'), $matches[1]);
 470   do {
 471     $prev = $matches[1];
 472     $matches[1] = preg_replace('!(</span>)<br />(\s*?</span><br />)!s', '$1$2', $matches[1]);
 473   } while ($prev != $matches[1]);
 474
 475   @$pdf->writeHTML($matches[1]);
 476
 477   return $pdf;
 478 }
 479
 480 /**
 481  * Format the TCPDF footer contents
 482  *
 483  * @param $pdf
 484  *   current TCPDF object
 485  * @param $html
 486  *   contents of the body of the HTML from the original node
 487  * @param $font
 488  *   array with the font definition (font name, styles and size)
 489  * @see theme_print_pdf_tcpdf_footer()
 490  */
 491 function theme_print_pdf_tcpdf_footer(&$pdf, &$html, $font) {
 492   preg_match('!<div class="print-footer">(.*?)</div>!si', $html, $tpl_footer);
 493   $footer = trim(preg_replace('!</?div[^>]*?>!i', '', $tpl_footer[1]));
 494
 495   // set footer font
 496   $font[2] *= 0.8;
 497   $pdf->setFooterFont($font);
 498   // set footer margin
 499   $pdf->SetFooterMargin(10);
 500   // set footer data
 501   $pdf->SetFooterData($footer);
 502
 503   return $pdf;
 504 }
 505
 506 /**
 507  * Format the TCPDF footer layout
 508  *
 509  * @param $pdf
 510  *   current TCPDF object
 511  * @see theme_print_pdf_tcpdf_footer2()
 512  */
 513 function theme_print_pdf_tcpdf_footer2(&$pdf) {
 514   //Position at 1.5 cm from bottom
 515   $pdf->writeHTMLCell(0, 15, 15, -10, $pdf->footer, 0, 0, 0, TRUE, '');
 516
 517   $ormargins = $pdf->getOriginalMargins();
 518   $pagenumtxt = t('Page !n of !total', array('!n' => $pdf->PageNo(), '!total' => $pdf->getAliasNbPages()));
 519   //Print page number
 520   if ($pdf->getRTL()) {
 521     $pdf->SetX($ormargins['right']);
 522     $pdf->Cell(0, 10, $pagenumtxt, 'T', 0, 'L');
 523   }
 524   else {
 525     $pdf->SetX($ormargins['left']);
 526     $pdf->Cell(0, 10, $pagenumtxt, 'T', 0, 'R');
 527   }
 528
 529   return $pdf;
 530 }