XOOOPS ショートコード習作１

プライベートメッセージの受信総数、未読数、指定ユーザーIDからの未読数を表示する為のXOOOPS ショートコード

書式１：[pm_count type="unread" from_uid="1"]　返り値はユーザーID１からの未読数
書式２：[pm_count type="unread"] 　返り値は未読数
書式３：[pm_count] 　返り値はメッセージ総数

<?php
class CustomSanitizer extends XCube_ActionFilter
{
    function preBlockFilter() {
        $this->mController->mRoot->mDelegateManager->add("MyTextSanitizer.XoopsCodePre",array(&$this,"BBCodePre"));
    }
    /*
     * Add Short code into Delegate BBCode
     */
    function BBCodePre(&$patterns, &$replacements, $allowimage) {
        // Replacement rules for [pm_count] tag
        $patterns[] = '/\[pm_count (.*?)\]/es';
        $replacements[] = "CustomSanitizer::pm_count('\\1');";
        $patterns[] = '/\[pm_count\]/es';
        $replacements[] = "CustomSanitizer::pm_count();";
    }
    /*
     * Make Shrot code return strings
     */
    function pm_count($args='') {
        global $xoopsDB;

        // Short code parser start
        $args = preg_replace('/(&quot;|")/',"",stripslashes($args));
        $keyval = explode(" ",$args);
        foreach($keyval as $k){
            preg_match("/(.*)=(.*)/",$k,$matches);
            $params[$matches[1]] = $matches[2];
        }       
        // Short code parser end
       
        $sql = "SELECT count(*) FROM " . $xoopsDB->prefix("message_inbox");
        switch ($params['type']){
            case 'unread':
                $sql .= " WHERE is_read=0";
                if ($params['from_uid']) $sql .= " AND from_uid=".$params['from_uid'];
        }
        $res = $xoopsDB->query($sql);
        list($cnt) = $xoopsDB->fetchRow($res);
        return $cnt;
    }
}
?>