XoopsModules25x /
lexikon
| @@ 367-429 (lines=63) @@ | ||
| 364 | */ |
|
| 365 | ||
| 366 | // Create the meta keywords based on content |
|
| 367 | function lx_extract_keywords($content) { |
|
| 368 | global $xoopsTpl, $xoTheme, $xoopsModule, $xoopsModuleConfig; |
|
| 369 | include_once XOOPS_ROOT_PATH.'/modules/lexikon/include/common.inc.php'; |
|
| 370 | $keywords_count = $xoopsModuleConfig['metakeywordsnum']; |
|
| 371 | $tmp=array(); |
|
| 372 | if (isset($_SESSION['xoops_keywords_limit'])) { // Search the "Minimum keyword length" |
|
| 373 | $limit = $_SESSION['xoops_keywords_limit']; |
|
| 374 | } else { |
|
| 375 | $config_handler = xoops_gethandler('config'); |
|
| 376 | $xoopsConfigSearch = $config_handler->getConfigsByCat(XOOPS_CONF_SEARCH); |
|
| 377 | $limit=$xoopsConfigSearch['keyword_min']; |
|
| 378 | $_SESSION['xoops_keywords_limit']=$limit; |
|
| 379 | } |
|
| 380 | $myts = MyTextSanitizer::getInstance(); |
|
| 381 | $content = str_replace ("<br />", " ", $content); |
|
| 382 | $content= $myts->undoHtmlSpecialChars($content); |
|
| 383 | $content= strip_tags($content); |
|
| 384 | $content=strtolower($content); |
|
| 385 | $search_pattern=[ |
|
| 386 | " ", |
|
| 387 | "\t", |
|
| 388 | "\r\n", |
|
| 389 | "\r", |
|
| 390 | "\n", |
|
| 391 | ",", |
|
| 392 | ".", |
|
| 393 | "'", |
|
| 394 | ";", |
|
| 395 | ":", |
|
| 396 | ")", |
|
| 397 | "(", |
|
| 398 | '"', |
|
| 399 | '?', |
|
| 400 | '!', |
|
| 401 | '{', |
|
| 402 | '}', |
|
| 403 | '[', |
|
| 404 | ']', |
|
| 405 | '<', |
|
| 406 | '>', |
|
| 407 | '/', |
|
| 408 | '+', |
|
| 409 | '-', |
|
| 410 | '_', |
|
| 411 | '\\', |
|
| 412 | '*' |
|
| 413 | ]; |
|
| 414 | $replace_pattern=[ |
|
| 415 | ' ', |
|
| 416 | ' ', |
|
| 417 | ' ', |
|
| 418 | ' ', |
|
| 419 | ' ', |
|
| 420 | ' ', |
|
| 421 | ' ', |
|
| 422 | ' ', |
|
| 423 | '', |
|
| 424 | '', |
|
| 425 | '', |
|
| 426 | '', |
|
| 427 | '', |
|
| 428 | '', |
|
| 429 | '', |
|
| 430 | '', |
|
| 431 | '', |
|
| 432 | '', |
|
| @@ 634-753 (lines=120) @@ | ||
| 631 | /** |
|
| 632 | * @param $content |
|
| 633 | */ |
|
| 634 | public static function extractKeywords($content) |
|
| 635 | { |
|
| 636 | global $xoopsTpl, $xoTheme, $xoopsModule, $xoopsModuleConfig; |
|
| 637 | include_once XOOPS_ROOT_PATH . '/modules/lexikon/include/common.inc.php'; |
|
| 638 | $keywords_count = $xoopsModuleConfig['metakeywordsnum']; |
|
| 639 | $tmp = []; |
|
| 640 | if (isset($_SESSION['xoops_keywords_limit'])) { // Search the "Minimum keyword length" |
|
| 641 | $limit = $_SESSION['xoops_keywords_limit']; |
|
| 642 | } else { |
|
| 643 | $configHandler = xoops_getHandler('config'); |
|
| 644 | $xoopsConfigSearch = $configHandler->getConfigsByCat(XOOPS_CONF_SEARCH); |
|
| 645 | $limit = $xoopsConfigSearch['keyword_min']; |
|
| 646 | $_SESSION['xoops_keywords_limit'] = $limit; |
|
| 647 | } |
|
| 648 | $myts = MyTextSanitizer::getInstance(); |
|
| 649 | $content = str_replace('<br>', ' ', $content); |
|
| 650 | $content = $myts->undoHtmlSpecialChars($content); |
|
| 651 | $content = strip_tags($content); |
|
| 652 | $content = strtolower($content); |
|
| 653 | $search_pattern = [ |
|
| 654 | ' ', |
|
| 655 | "\t", |
|
| 656 | "\r\n", |
|
| 657 | "\r", |
|
| 658 | "\n", |
|
| 659 | ',', |
|
| 660 | '.', |
|
| 661 | "'", |
|
| 662 | ';', |
|
| 663 | ':', |
|
| 664 | ')', |
|
| 665 | '(', |
|
| 666 | '"', |
|
| 667 | '?', |
|
| 668 | '!', |
|
| 669 | '{', |
|
| 670 | '}', |
|
| 671 | '[', |
|
| 672 | ']', |
|
| 673 | '<', |
|
| 674 | '>', |
|
| 675 | '/', |
|
| 676 | '+', |
|
| 677 | '-', |
|
| 678 | '_', |
|
| 679 | '\\', |
|
| 680 | '*' |
|
| 681 | ]; |
|
| 682 | $replace_pattern = [ |
|
| 683 | ' ', |
|
| 684 | ' ', |
|
| 685 | ' ', |
|
| 686 | ' ', |
|
| 687 | ' ', |
|
| 688 | ' ', |
|
| 689 | ' ', |
|
| 690 | ' ', |
|
| 691 | '', |
|
| 692 | '', |
|
| 693 | '', |
|
| 694 | '', |
|
| 695 | '', |
|
| 696 | '', |
|
| 697 | '', |
|
| 698 | '', |
|
| 699 | '', |
|
| 700 | '', |
|
| 701 | '', |
|
| 702 | '', |
|
| 703 | '', |
|
| 704 | '', |
|
| 705 | '', |
|
| 706 | '', |
|
| 707 | '', |
|
| 708 | '', |
|
| 709 | '' |
|
| 710 | ]; |
|
| 711 | $content = str_replace($search_pattern, $replace_pattern, $content); |
|
| 712 | $keywords = explode(' ', $content); |
|
| 713 | switch (META_KEYWORDS_ORDER) { |
|
| 714 | case 1: // Returns keywords in the same order that they were created in the text |
|
| 715 | $keywords = array_unique($keywords); |
|
| 716 | break; |
|
| 717 | ||
| 718 | case 2: // the keywords order is made according to the reverse keywords frequency (so the less frequent words appear in first in the list) |
|
| 719 | $keywords = array_count_values($keywords); |
|
| 720 | asort($keywords); |
|
| 721 | $keywords = array_keys($keywords); |
|
| 722 | break; |
|
| 723 | ||
| 724 | case 3: // Same as previous, the only difference is that the most frequent words will appear in first in the list |
|
| 725 | $keywords = array_count_values($keywords); |
|
| 726 | arsort($keywords); |
|
| 727 | $keywords = array_keys($keywords); |
|
| 728 | break; |
|
| 729 | } |
|
| 730 | foreach ($keywords as $keyword) { |
|
| 731 | if (strlen($keyword) >= $limit && !is_numeric($keyword)) { |
|
| 732 | $tmp[] = $keyword; |
|
| 733 | } |
|
| 734 | } |
|
| 735 | $tmp = array_slice($tmp, 0, $keywords_count); |
|
| 736 | if (count($tmp) > 0) { |
|
| 737 | if (isset($xoTheme) && is_object($xoTheme)) { |
|
| 738 | $xoTheme->addMeta('meta', 'keywords', implode(',', $tmp)); |
|
| 739 | } else { // Compatibility for old Xoops versions |
|
| 740 | $xoopsTpl->assign('xoops_meta_keywords', implode(',', $tmp)); |
|
| 741 | } |
|
| 742 | } else { |
|
| 743 | if (!isset($configHandler) || !is_object($configHandler)) { |
|
| 744 | $configHandler = xoops_getHandler('config'); |
|
| 745 | } |
|
| 746 | $xoopsConfigMetaFooter = $configHandler->getConfigsByCat(XOOPS_CONF_METAFOOTER); |
|
| 747 | if (isset($xoTheme) && is_object($xoTheme)) { |
|
| 748 | $xoTheme->addMeta('meta', 'keywords', $xoopsConfigMetaFooter['meta_keywords']); |
|
| 749 | } else { // Compatibility for old Xoops versions |
|
| 750 | $xoopsTpl->assign('xoops_meta_keywords', $xoopsConfigMetaFooter['meta_keywords']); |
|
| 751 | } |
|
| 752 | } |
|
| 753 | } |
|
| 754 | ||
| 755 | // Create meta description based on content |
|
| 756 | /** |
|
