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<title>[43040] Themes: Avoid a PHP 7.2 warning in `get_theme_roots()` when `$wp_theme_directories` is an uncountable value.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/43040">43040</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/43040","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-04-30 04:54:54 +0000 (Mon, 30 Apr 2018)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Themes: Avoid a PHP 7.2 warning in `get_theme_roots()` when `$wp_theme_directories` is an uncountable value.
See <a href="https://core.trac.wordpress.org/changeset/41174">[41174]</a> for `wp_get_themes()` and `get_raw_theme_root()`.
Props burlingtonbytes, teddytime, lbenicio, desrosj.
Merges <a href="https://core.trac.wordpress.org/changeset/43039">[43039]</a> to the 4.9 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/43374">#43374</a>. See <a href="https://core.trac.wordpress.org/ticket/40109">#40109</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches49srcwpincludesthemephp">branches/4.9/src/wp-includes/theme.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches49">branches/4.9/</a></li>
</ul>
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<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.9
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.9 2018-04-30 04:50:52 UTC (rev 43039)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.9 2018-04-30 04:54:54 UTC (rev 43040)
</ins><a id="branches49"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.9</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42256-42261,42350,42358,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42648,42652-42653,42665,42687,42711,42713,42719,42722,42739-42740,42744,42758,42792,42801,42817-42818,42830,42837,42839,42841,42844,42851-42852,42860,42864,42881,42892-42894,42930,42998,43007,43025,43027,43030,43032,43034,43036
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42256-42261,42350,42358,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595,42598-42599,42602,42604,42606,42611-42613,42615,42617,42624-42625,42639,42648,42652-42653,42665,42687,42711,42713,42719,42722,42739-42740,42744,42758,42792,42801,42817-42818,42830,42837,42839,42841,42844,42851-42852,42860,42864,42881,42892-42894,42930,42998,43007,43025,43027,43030,43032,43034,43036,43039
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches49srcwpincludesthemephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/theme.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/theme.php 2018-04-30 04:50:52 UTC (rev 43039)
+++ branches/4.9/src/wp-includes/theme.php 2018-04-30 04:54:54 UTC (rev 43040)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -353,8 +353,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function get_theme_roots() {
</span><span class="cx" style="display: block; padding: 0 10px"> global $wp_theme_directories;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( count($wp_theme_directories) <= 1 )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> return '/themes';
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $theme_roots = get_site_transient( 'theme_roots' );
</span><span class="cx" style="display: block; padding: 0 10px"> if ( false === $theme_roots ) {
</span></span></pre>
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