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Bug #63806 html_entity_decode($x, ENT_QUOTES, "UTF-8") doesn't work as advertised wrt. "'"
Submitted: 2012-12-19 14:31 UTC Modified: 2012-12-19 19:51 UTC
From: t dot glaser at tarent dot de Assigned:
Status: Not a bug Package: Strings related
PHP Version: 5.4.9 OS: Debian experimental to get 5.4.9
Private report: No CVE-ID: None
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From: t dot glaser at tarent dot de
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 [2012-12-19 14:31 UTC] t dot glaser at tarent dot de
------------ says:

        Available flags constants
Constant Name   Description
  ENT_COMPAT    Will convert double-quotes and leave single-quotes alone.
  ENT_QUOTES    Will convert both double and single quotes.
  ENT_NOQUOTES  Will leave both double and single quotes unconverted.
  ENT_HTML401   Handle code as HTML 4.01. 
  ENT_XML1      Handle code as XML 1. 
  ENT_XHTML     Handle code as XHTML. 
  ENT_HTML5     Handle code as HTML 5.

However, I don’t see ' being decoded with ENT_QUOTES.

Test script:
$x = "&apos;";
$y = html_entity_decode($x, ENT_QUOTES, "UTF-8");
echo "< $y >\n";

Expected result:
< ' >

Actual result:
< &apos; >


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 [2012-12-19 19:51 UTC]
This is not a bug. html_entity_decode() defaults to HTML4 entities. &apos; is not 
a valid HTML4 entity. If you try your code with &#39; you will see ENT_QUOTES 
includes single quotes just fine.

As of PHP 5.4 html_entity_decode() supports both XHTML and HTML5 entities. Use 
ENT_QUOTES|ENT_XHTML or ENT_QUOTES|ENT_HTML5 and you will see &apos; is converted 
as you would expect.
 [2012-12-19 19:51 UTC]
-Status: Open +Status: Not a bug
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