PHP JString::subStr方法代码示例

function shAddPaginationInfo($limit, $limitstart, $showall, $iteration, $url, $location, $shSeparator = null)
{
    global $mainframe;
    $sefConfig =& shRouter::shGetConfig();
    $database =& JFactory::getDBO();
    // get a default limit value, for urls where it's missing
    $listLimit = shGetDefaultDisplayNumFromURL($url, $includeBlogLinks = true);
    $defaultListLimit = shGetDefaultDisplayNumFromConfig($url, $includeBlogLinks = false);
    //echo 'Incoming pagination : $listLimit : ' . $listLimit . ' | $defaultListLimit : ' . $defaultListLimit . "\n";
    // clean suffix and index file before starting to add things to the url
    // clean suffix
    if (strpos($url, 'option=com_content') !== false && strpos($url, 'format=pdf') !== false) {
        $shSuffix = '.pdf';
    } else {
        $shSuffix = $sefConfig->suffix;
    }
    $suffixLength = JString::strLen($shSuffix);
    if (!empty($shSuffix) && $shSuffix != '/' && JString::substr($location, -$suffixLength) == $shSuffix) {
        $location = JString::substr($location, 0, JString::strlen($location) - $suffixLength);
    }
    // clean index file
    if ($sefConfig->addFile && (empty($shSuffix) || JString::subStr($location, -$suffixLength) != $shSuffix)) {
        $indexFileLength = JString::strlen($sefConfig->addFile);
        if ($sefConfig->addFile != '/' && JString::substr($location, -$indexFileLength) == $sefConfig->addFile) {
            $location = JString::substr($location, 0, JString::strlen($location) - $indexFileLength);
        }
    }
    // do we have a trailing slash ?
    if (empty($shSeparator)) {
        $shSeparator = JString::substr($location, -1) == '/' ? '' : '/';
    }
    if (!empty($limit) && is_numeric($limit)) {
        $pagenum = intval($limitstart / $limit);
        $pagenum++;
    } else {
        if (!isset($limit) && !empty($limitstart)) {
            // only limitstart
            if (strpos($url, 'option=com_content') !== false && strpos($url, 'view=article') !== false) {
                $pagenum = intval($limitstart + 1);
                // multipage article
            } else {
                $pagenum = intval($limitstart / $listLimit) + 1;
                // blogs, tables, ...
            }
        } else {
            $pagenum = $iteration;
        }
    }
    // Make sure we do not end in infite loop here.
    if ($pagenum < $iteration) {
        $pagenum = $iteration;
    }
    // shumisha added to handle table-category and table-section which may have variable number of items per page
    // There still will be a problem with filter, which may reduce the total number of items. Thus the item we are looking for
    if ($sefConfig->alwaysAppendItemsPerPage || strpos($url, 'option=com_virtuemart') && $sefConfig->shVmUsingItemsPerPage) {
        $shMultPageLength = $sefConfig->pagerep . (empty($limit) ? $listLimit : $limit);
    } else {
        $shMultPageLength = '';
    }
    // shumisha : modified to add # of items per page to URL, for table-category or section-category
    if (!empty($sefConfig->pageTexts[$GLOBALS['shMosConfig_locale']]) && false !== strpos($sefConfig->pageTexts[$GLOBALS['shMosConfig_locale']], '%s')) {
        $page = str_replace('%s', $pagenum, $sefConfig->pageTexts[$GLOBALS['shMosConfig_locale']]) . $shMultPageLength;
    } else {
        $page = $sefConfig->pagerep . $pagenum . $shMultPageLength;
    }
    // V 1.2.4.t special processing to replace page number by headings
    $shPageNumberWasReplaced = false;
    if (strpos($url, 'option=com_content') !== false && strpos($url, 'view=article') !== false && !empty($limitstart)) {
        // this is multipage article - limitstart instead of limit in J1.5
        if ($sefConfig->shMultipagesTitle) {
            parse_str($url, $shParams);
            if (!empty($shParams['id'])) {
                $shPageTitle = '';
                $sql = 'SELECT c.id, c.fulltext, c.introtext  FROM #__content AS c WHERE id=\'' . $shParams['id'] . '\'';
                $database->setQuery($sql);
                $contentElement = $database->loadObject();
                if ($database->getErrorNum()) {
                    JError::RaiseError(500, $database->stderr());
                }
                $contentText = $contentElement->introtext . $contentElement->fulltext;
                if (!empty($contentElement) && strpos($contentText, 'class="system-pagebreak') !== false) {
                    // search for mospagebreak tags
                    // copied over from pagebreak plugin
                    // expression to search for
                    $regex = '#<hr([^>]*)class=(\\"|\')system-pagebreak(\\"|\')([^>]*)\\/>#iU';
                    // find all instances of mambot and put in $matches
                    $shMatches = array();
                    preg_match_all($regex, $contentText, $shMatches, PREG_SET_ORDER);
                    // adds heading or title to <site> Title
                    if (empty($limitstart)) {
                        // if first page use heading of first mospagebreak
                        /* if ( $shMatches[0][2] ) {
                           parse_str( html_entity_decode( $shMatches[0][2] ), $args );
                           if ( @$args['heading'] ) {
                           $shPageTitle = stripslashes( $args['heading'] );
                           }
                           }*/
                    } else {
                        // for other pages use title of mospagebreak
                        if ($limitstart > 0 && $shMatches[$limitstart - 1][1]) {
//.........这里部分代码省略.........