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htmlspecialchars(string,quotestyle,character-set)
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string
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quotestyle
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ENT_COMPAT - ĬÈÏ¡£½ö±àÂëË«ÒýºÅ¡£
ENT_QUOTES - ±àÂëË«ÒýºÅºÍµ¥ÒýºÅ¡£
ENT_NOQUOTES - ²»±àÂëÈκÎÒýºÅ¡£
character-set
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ISO-8859-1 - ĬÈÏ¡£Î÷Å·¡£
ISO-8859-15 - Î÷Å·£¨Ôö¼Ó Euro ·ûºÅÒÔ¼°·¨Óï¡¢·ÒÀ¼Óï×Öĸ£©¡£
UTF-8 - ASCII ¼æÈݶà×Ö½Ú 8 ±ÈÌØ Unicode
cp866 - DOS רÓà Cyrillic ×Ö·û¼¯
cp1251 - Windows רÓà Cyrillic ×Ö·û¼¯
cp1252 - Windows רÓÃÎ÷Å·×Ö·û¼¯
KOI8-R - ¶íÓï
GB2312 - ¼òÌåÖÐÎÄ£¬¹ú¼Ò±ê×¼×Ö·û¼¯
BIG5 - ·±ÌåÖÐÎÄ
BIG5-HKSCS - Big5 Ïã¸ÛÀ©Õ¹
Shift_JIS - ÈÕÓï
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<html>
<body>
<?php
$str = "John & 'Adams'";
echo htmlspecialchars($str, ENT_COMPAT);
echo "<br />";
echo htmlspecialchars($str, ENT_QUOTES);
echo "<br />";
echo htmlspecialchars($str, ENT_NOQUOTES);
?>
</body>
</html>
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John & 'Adams'
John & 'Adams'
John & 'Adams'
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<html>
<body>
John &amp; 'Adams'<br />
John &amp; &#039;Adams&#039;<br />
John &amp; 'Adams'
</body>
</html>


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