mixed
CModule::IsInstalled()

The method IsInstalled determines whether the module is installed. Returns true if the module is installed, false otherwise.

Note!
Before using functions and classes of any module, include it using the CModule::IncludeModule function.

Parameters

No parameters.

See Also

• IsModuleInstalled
• CModule::IncludeModule
• Module ID's

Example

<?
// if "Install" or "Uninstall" is clicked...
if(strlen($uninstall)>0 || strlen($install)>0)
{
    // check if the required file exists in the module directory
    if(@file_exists($DOCUMENT_ROOT."/bitrix/modules/".$module_id."/install/index.php"))
    {
        include_once($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/".$module_id."/install/index.php");
        $obModule = new $module_id;
        if($obModule->IsInstalled() && strlen($uninstall)>0) $obModule->DoUninstall();
        elseif(!$obModule->IsInstalled() && strlen($install)>0) $obModule->DoInstall();
    }
}
?>

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