php
function unhtml($content){
$content=str_replace("&","&",$content);
$content= str_replace("<","<",$content);
$content=str_replace(">",">",$content);
$content=str_replace(" "," ",$content);
$content=str_replace(chr(13),"
",$content);
$content=str_replace("","\",$content);
$content=str_replace(chr(34),""",$content);
<code> return $content; }</code>
?>
문자열 교체, HTML 코드 필터링
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