> For the complete documentation index, see [llms.txt](https://joungkyun.gitbook.io/php-mod_korean-extension-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://joungkyun.gitbook.io/php-mod_korean-extension-reference/apis/check/is_iis_lib.md).

# is\_iis\_lib

## Proto type

```c
int is_iis_lib(void)
```

## Description

웹서버가 iis 서버인지를 체크한다. 웹서버가 iis 이면 1 을 리턴하고 아니면 0 을 리턴한다.

## Arguments

void

## Example

```php
<?php
if ( is_iis_lib () )
  echo "This is IIS web server\n";
else
  echo "This is not IIS web server\n";
?>
```

## See also

* [is\_windows\_lib ()](https://github.com/joungkyun/php-mod_korean-extension-reference/tree/b5398f11118bd0b91db16b0f7beb7a37178353fd/Check/Check/is_windwos_lib.md)