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<title>[55944] trunk: KSES: Add support for CSS `repeat()` function.</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/55944">55944</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/55944","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>peterwilsoncc</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-06-20 02:29:18 +0000 (Tue, 20 Jun 2023)</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'>KSES: Add support for CSS `repeat()` function.
Introduces support for the CSS `repeat()` function to support complex grid layouts.
Props isabel_brison, azaozz.
Fixes <a href="https://core.trac.wordpress.org/ticket/58551">#58551</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesksesphp">trunk/src/wp-includes/kses.php</a></li>
<li><a href="#trunktestsphpunittestsksesphp">trunk/tests/phpunit/tests/kses.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesksesphp"></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/kses.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/kses.php 2023-06-19 23:18:28 UTC (rev 55943)
+++ trunk/src/wp-includes/kses.php 2023-06-20 02:29:18 UTC (rev 55944)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2279,7 +2279,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Extended `margin-*` and `padding-*` support for logical properties.
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 6.2.0 Added support for `aspect-ratio`, `position`, `top`, `right`, `bottom`, `left`,
</span><span class="cx" style="display: block; padding: 0 10px"> * and `z-index` CSS properties.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @since 6.3.0 Extended support for `filter` to accept a URL.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 6.3.0 Extended support for `filter` to accept a URL and added support for repeat().
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $css A string of CSS rules.
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $deprecated Not used.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2563,7 +2563,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Nested functions and parentheses are also removed, so long as the parentheses are balanced.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> $css_test_string = preg_replace(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- '/\b(?:var|calc|min|max|minmax|clamp)(\((?:[^()]|(?1))*\))/',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ '/\b(?:var|calc|min|max|minmax|clamp|repeat)(\((?:[^()]|(?1))*\))/',
</ins><span class="cx" style="display: block; padding: 0 10px"> '',
</span><span class="cx" style="display: block; padding: 0 10px"> $css_test_string
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span></span></pre></div>
<a id="trunktestsphpunittestsksesphp"></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/kses.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/kses.php 2023-06-19 23:18:28 UTC (rev 55943)
+++ trunk/tests/phpunit/tests/kses.php 2023-06-20 02:29:18 UTC (rev 55944)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -937,6 +937,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket 48376
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket 55966
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket 56122
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @ticket 58551
</ins><span class="cx" style="display: block; padding: 0 10px"> * @dataProvider data_safecss_filter_attr
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $css A string of CSS rules.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1047,9 +1048,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'css' => 'grid-template-rows: 40px 4em 40px;grid-auto-rows: min-content;grid-row-start: -1;grid-row-end: 3;grid-row-gap: 1em',
</span><span class="cx" style="display: block; padding: 0 10px"> 'expected' => 'grid-template-rows: 40px 4em 40px;grid-auto-rows: min-content;grid-row-start: -1;grid-row-end: 3;grid-row-gap: 1em',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // `grid` does not yet support functions or `\`.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // `grid` does not yet support `\`.
</ins><span class="cx" style="display: block; padding: 0 10px"> array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'css' => 'grid-template-columns: repeat(2, 50px 1fr);grid-template: 1em / 20% 20px 1fr',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'css' => 'grid-template: 1em / 20% 20px 1fr',
</ins><span class="cx" style="display: block; padding: 0 10px"> 'expected' => '',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> // `flex` and `grid` alignments introduced in 5.3.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1321,6 +1322,25 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'css' => 'filter: url( my-file.svg#svg-blur );',
</span><span class="cx" style="display: block; padding: 0 10px"> 'expected' => 'filter: url( my-file.svg#svg-blur )',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Support for `repeat` function.
+ array(
+ 'css' => 'grid-template-columns: repeat(4, minmax(0, 1fr))',
+ 'expected' => 'grid-template-columns: repeat(4, minmax(0, 1fr))',
+ ),
+ array(
+ 'css' => 'grid-template-columns: repeat(auto-fill, minmax(min(12rem, 100%), 1fr))',
+ 'expected' => 'grid-template-columns: repeat(auto-fill, minmax(min(12rem, 100%), 1fr))',
+ ),
+ // Malformed repeat, no closing `)`.
+ array(
+ 'css' => 'grid-template-columns: repeat(4, minmax(0, 1fr)',
+ 'expected' => '',
+ ),
+ // Malformed repeat, contains unsupported function.
+ array(
+ 'css' => 'grid-template-columns: repeat(4, unsupported(0, 1fr)',
+ 'expected' => '',
+ ),
</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">
</span></span></pre>
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