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<title>[33148] trunk: Revert [32851] and [32850] for now, tl;dr encoding issues.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/33148">33148</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/33148","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>wonderboymusic</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-07-09 20:55:26 +0000 (Thu, 09 Jul 2015)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Revert <a href="https://core.trac.wordpress.org/changeset/32851">[32851]</a> and <a href="https://core.trac.wordpress.org/changeset/32850">[32850]</a> for now, tl;dr encoding issues.

See <a href="https://core.trac.wordpress.org/ticket/17780">#17780</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesformattingphp">trunk/src/wp-includes/formatting.php</a></li>
<li><a href="#trunktestsphpunittestsformattingEscAttrphp">trunk/tests/phpunit/tests/formatting/EscAttr.php</a></li>
<li><a href="#trunktestsphpunittestsformattingEscHtmlphp">trunk/tests/phpunit/tests/formatting/EscHtml.php</a></li>
<li><a href="#trunktestsphpunittestsformattingJSEscapephp">trunk/tests/phpunit/tests/formatting/JSEscape.php</a></li>
<li><a href="#trunktestsphpunittestsformattingWPSpecialcharsphp">trunk/tests/phpunit/tests/formatting/WPSpecialchars.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesformattingphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/formatting.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/formatting.php      2015-07-09 19:18:39 UTC (rev 33147)
+++ trunk/src/wp-includes/formatting.php        2015-07-09 20:55:26 UTC (rev 33148)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -751,14 +751,25 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $quote_style = ENT_NOQUOTES;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        if ( ! $double_encode ) {
-               // Guarantee every &entity; is valid, convert &garbage; into &amp;garbage;
-               // This is required for PHP < 5.4.0 because ENT_HTML401 flag is unavailable.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Handle double encoding ourselves
+       if ( $double_encode ) {
+               $string = @htmlspecialchars( $string, $quote_style, $charset );
+       } else {
+               // Decode &amp; into &
+               $string = wp_specialchars_decode( $string, $_quote_style );
+
+               // Guarantee every &entity; is valid or re-encode the &
</ins><span class="cx" style="display: block; padding: 0 10px">                 $string = wp_kses_normalize_entities( $string );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               // Now re-encode everything except &entity;
+               $string = preg_split( '/(&#?x?[0-9a-z]+;)/i', $string, -1, PREG_SPLIT_DELIM_CAPTURE );
+
+               for ( $i = 0, $c = count( $string ); $i < $c; $i += 2 ) {
+                       $string[$i] = @htmlspecialchars( $string[$i], $quote_style, $charset );
+               }
+               $string = implode( '', $string );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $string = @htmlspecialchars( $string, $quote_style, $charset, $double_encode );
-
</del><span class="cx" style="display: block; padding: 0 10px">         // Backwards compatibility
</span><span class="cx" style="display: block; padding: 0 10px">        if ( 'single' === $_quote_style )
</span><span class="cx" style="display: block; padding: 0 10px">                $string = str_replace( "'", '&#039;', $string );
</span></span></pre></div>
<a id="trunktestsphpunittestsformattingEscAttrphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/formatting/EscAttr.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/formatting/EscAttr.php  2015-07-09 19:18:39 UTC (rev 33147)
+++ trunk/tests/phpunit/tests/formatting/EscAttr.php    2015-07-09 20:55:26 UTC (rev 33148)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -26,7 +26,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        function test_esc_attr_amp() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $out = esc_attr( 'foo & bar &baz; &nbsp;' );
-               $this->assertEquals( "foo &amp; bar &amp;baz; &nbsp;", $out );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $out = esc_attr( 'foo & bar &baz; &apos;' );
+               $this->assertEquals( "foo &amp; bar &amp;baz; &apos;", $out );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsformattingEscHtmlphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/formatting/EscHtml.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/formatting/EscHtml.php  2015-07-09 19:18:39 UTC (rev 33147)
+++ trunk/tests/phpunit/tests/formatting/EscHtml.php    2015-07-09 20:55:26 UTC (rev 33148)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -34,7 +34,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        function test_ignores_existing_entities() {
</span><span class="cx" style="display: block; padding: 0 10px">                $source = '&#038; &#x00A3; &#x22; &amp;';
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $res = '&#038; &#xA3; &#x22; &amp;';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $res = '&amp; &#xA3; &quot; &amp;';
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->assertEquals( $res, esc_html($source) );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsformattingJSEscapephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/formatting/JSEscape.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/formatting/JSEscape.php 2015-07-09 19:18:39 UTC (rev 33147)
+++ trunk/tests/phpunit/tests/formatting/JSEscape.php   2015-07-09 20:55:26 UTC (rev 33148)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -23,13 +23,13 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        function test_js_escape_amp() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $out = esc_js('foo & bar &baz; &nbsp;');
-               $this->assertEquals("foo &amp; bar &amp;baz; &nbsp;", $out);
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $out = esc_js('foo & bar &baz; &apos;');
+               $this->assertEquals("foo &amp; bar &amp;baz; &apos;", $out);
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        function test_js_escape_quote_entity() {
</span><span class="cx" style="display: block; padding: 0 10px">                $out = esc_js('foo &#x27; bar &#39; baz &#x26;');
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->assertEquals("foo \\' bar \\' baz &#x26;", $out);
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertEquals("foo \\' bar \\' baz &amp;", $out);
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        function test_js_no_carriage_return() {
</span></span></pre></div>
<a id="trunktestsphpunittestsformattingWPSpecialcharsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/formatting/WPSpecialchars.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/formatting/WPSpecialchars.php   2015-07-09 19:18:39 UTC (rev 33147)
+++ trunk/tests/phpunit/tests/formatting/WPSpecialchars.php     2015-07-09 20:55:26 UTC (rev 33148)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -17,10 +17,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                // Allowed entities should be unchanged
</span><span class="cx" style="display: block; padding: 0 10px">                foreach ( $allowedentitynames as $ent ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        if ( 'apos' == $ent ) {
-                               // But for some reason, PHP doesn't allow &apos;
-                               continue;
-                       }
</del><span class="cx" style="display: block; padding: 0 10px">                         $ent = '&' . $ent . ';';
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->assertEquals( $ent, _wp_specialchars( $ent ) );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -43,58 +39,4 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( '&quot;&#039;hello!&#039;&quot;', _wp_specialchars($source, true) );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( $source, _wp_specialchars($source) );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-       /**
-        * Check some of the double-encoding features for entity references.
-        *
-        * @ticket 17780
-        * @dataProvider data_double_encoding
-        */
-       function test_double_encoding( $input, $output ) {
-               return $this->assertEquals( $output, _wp_specialchars( $input, ENT_NOQUOTES, false, true ) );
-       }
-
-       function data_double_encoding() {
-               return array(
-                       array(
-                               'This & that, this &amp; that, &#8212; &quot; &QUOT; &Uacute; &nbsp; &#34; &#034; &#0034; &#x00022; &#x22; &dollar; &times;',
-                               'This &amp; that, this &amp;amp; that, &amp;#8212; &amp;quot; &amp;QUOT; &amp;Uacute; &amp;nbsp; &amp;#34; &amp;#034; &amp;#0034; &amp;#x00022; &amp;#x22; &amp;dollar; &amp;times;',
-                       ),
-                       array(
-                               '&& &&amp; &amp;&amp; &amp;;',
-                               '&amp;&amp; &amp;&amp;amp; &amp;amp;&amp;amp; &amp;amp;;',
-                       ),
-                       array(
-                               '&garbage; &***; &aaaa; &0000; &####; &;;',
-                               '&amp;garbage; &amp;***; &amp;aaaa; &amp;0000; &amp;####; &amp;;;',
-                       ),
-               );
-       }
-
-       /**
-        * Check some of the double-encoding features for entity references.
-        *
-        * @ticket 17780
-        * @dataProvider data_no_double_encoding
-        */
-       function test_no_double_encoding( $input, $output ) {
-               return $this->assertEquals( $output, _wp_specialchars( $input, ENT_NOQUOTES, false, false ) );
-       }
-
-       function data_no_double_encoding() {
-               return array(
-                       array(
-                               'This & that, this &amp; that, &#8212; &quot; &QUOT; &Uacute; &nbsp; &#34; &#034; &#0034; &#x00022; &#x22; &dollar; &times;',
-                               'This &amp; that, this &amp; that, &#8212; &quot; &amp;QUOT; &Uacute; &nbsp; &#034; &#034; &#034; &#x22; &#x22; &amp;dollar; &times;',
-                       ),
-                       array(
-                               '&& &&amp; &amp;&amp; &amp;;',
-                               '&amp;&amp; &amp;&amp; &amp;&amp; &amp;;',
-                       ),
-                       array(
-                               '&garbage; &***; &aaaa; &0000; &####; &;;',
-                               '&amp;garbage; &amp;***; &amp;aaaa; &amp;0000; &amp;####; &amp;;;',
-                       ),
-               );
-       }
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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