showusercard 和attackevasive 什么意思?

1. <script type="text/javascript">
   
2. var STYLEID = '{STYLEID}',
   
3. STATICURL = '{STATICURL}',
   
4. IMGDIR = '{IMGDIR}',
   
5. VERHASH = '{VERHASH}',
   
6. charset = '{CHARSET}',
   
7. discuz_uid = '$_G[uid]',
   
8. cookiepre = '{$_G[config][cookie][cookiepre]}',
   
9. cookiedomain = '{$_G[config][cookie][cookiedomain]}',
   
10. cookiepath = '{$_G[config][cookie][cookiepath]}',
    
11. showusercard= '{$_G[setting][showusercard]}',
    
12. attackevasive = '{$_G[config][security][attackevasive]}',
    
13. disallowfloat = '{$_G[setting][disallowfloat]}',
    
14. creditnotice = '<!--{if $_G['setting']['creditnotice']}-->$_G['setting']['creditnames']<!--{/if}-->',
    
15. defaultstyle = '$_G[style][defaultextstyle]', REPORTURL =
    
16. '$_G[currenturl_encode]', SITEURL = '$_G[siteurl]', JSPATH =
    
17. '$_G[setting][jspath]';</script>

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代码问题, 是在这里问吗?
showusercard 和 attackevasive  什么意思? 怎么用呢?