I pulled this from
DarthNinja's TF2 Stats plugin.
PHP Code:
TagsCheck(const String:tag[])
{
new Handle:hTags = FindConVar("sv_tags");
decl String:tags[255];
GetConVarString(hTags, tags, sizeof(tags));
if (!(StrContains(tags, tag, false)>-1))
{
decl String:newTags[255];
Format(newTags, sizeof(newTags), "%s,%s", tags, tag);
SetConVarString(hTags, newTags);
GetConVarString(hTags, tags, sizeof(tags));
}
CloseHandle(hTags);
}
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