Created
February 22, 2010 00:08
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It escapes in characters other than the html usage. When tidy cannot be used
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<?php | |
/** | |
* It escapes in characters other than the html usage. | |
* | |
* | |
* | |
*/ | |
$doc=<<<DOC | |
<html lang="ja" dir="ltr"> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=utf-8"> | |
<meta http-equiv="content-script-type" content="text/javascript"> | |
<meta http-equiv="content-style-type" content="text/css"> | |
<meta name="author" content="nobita"> | |
<title>another ><</title> | |
</head> | |
<body> | |
<div id="wrapper"> | |
<div id="head"> | |
title | |
</div> | |
<div id="doc"> | |
aaaaa>bbbbb | |
eeee<dddddd>>>><<<<< | |
><The person who writes html will come to want to write the source. | |
</div> | |
<div id="foot"> | |
address | |
</div> | |
</div> | |
</body> | |
</html> | |
... | |
DOC; | |
function escape_tag($doc){ | |
$html4 = '(?i:title|a|abbr|acronym|address|applet|area|b|base|basefont|bdo|big|blockquote|body|br|button|caption|center|cite|code|col|colgroup|dd|del|dfn|dir|div|dl|dt|em|fieldset|font|form|frame|frameset|h1|h2|h3|h4|h5|h6|head|hr|html|i|iframe|img|input|ins|isindex|kbd|label|legend|li|link|map|menu|meta|noframes|noscript|object|ol|optgroup|option|p|param|pre|q|s|samp|script|select|small|span|strike|strong|style|sub|sup|table|tbody|td|textarea|tfoot|th|thead|tr|tt|u|ul|var)'; | |
$html5 = '(?i:html|head|title|base|link|meta|style|script|noscript|body|section|nav|article|aside|h1|h2|h3|h4|h5|h6|hgroup|header|footer|address|p|hr|br|pre|blockquote|ol|ul|li|dl|dt|dd|a|q|cite|em|strong|small|mark|dfn|abbr|time|progress|meter|code|var|samp|kbd|sub|sup|span|i|b|bdo|ruby|rt|rp|ins|del|figure|figcaption|img|iframe|embed|object|param|video|audio|source|canvas|map|area|table|caption|colgroup|col|tbody|thead|tfoot|tr|td|th|form|fieldset|label|input|button|select|datalist|optgroup|option|textarea|keygen|output|details|summary|command|menu|legend|div)'; | |
//改行削除 | |
$doc = str_replace("\n","",$doc); | |
$doc_escape = str_replace(array("<",">"),array("<",">"),$doc); | |
//保存 | |
file_put_contents("result.txt",$doc_escape); | |
preg_replace_callback("!(</?$html4)(>|\s[^>]+>)!",'search_tag',$doc); | |
//表示 | |
echo file_get_contents("result.txt"); | |
} | |
function search_tag($matches){ | |
$doc2 = file_get_contents("result.txt"); | |
//エスケープしたドキュメントからタグを検索するためのキー | |
$key = str_replace(array("<",">"),array("<",">"),$matches[0]); | |
//タグ部分をhtmlに書き戻し | |
$doc2 = str_replace($key,$matches[0],$doc2); | |
file_put_contents("result.txt",$doc2); | |
} | |
escape_tag($doc); |
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