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This function is identical to htmlspecialchars() in all ways, except with htmlentities(), all characters which have HTML character entity equivalents are translated into these entities.
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The translations performed are:
¡®&' (ampersand) becomes ¡®&'
¡®¡±¡® (double quote) becomes ¡®¡±¡® when ENT_NOQUOTES is not set.
¡±' (single quote) becomes ¡±' only when ENT_QUOTES is set. www.phperz.com
¡®<' (less than) becomes ¡®<'
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$str='<a href="test.html">²âÊÔÒ³Ãæ</a>';
echo htmlentities($str); $str='<a href="test.html">²âÊÔÒ³Ãæ</a>';
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