ChWsbInstallerUtils.php

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<?php
 
ch_import('ChWsbModuleDb');
ch_import('ChWsbIO');
 
class ChWsbInstallerUtils extends ChWsbIO
{
    function __construct()
    {
        parent::__construct();
    }
 
    function isXsltEnabled()
    {
        if (((int)phpversion()) >= 5) {
            if (class_exists ('DOMDocument') && class_exists ('XsltProcessor'))
                return true;
        } else {
            if (function_exists('domxml_xslt_stylesheet_file'))
                return true;
            elseif (function_exists ('xslt_create'))
                return true;
        }
        return false;
    }
 
    function isAllowUrlInclude()
    {
        $sAllowUrlInclude = ini_get('allow_url_include');
        return !($sAllowUrlInclude == 0);
    }
 
    public static function isModuleInstalled($sUri)
    {
        $oModuleDb = new ChWsbModuleDb();
        return $oModuleDb->isModule($sUri);
    }
}