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<title>[52663] Upgrade: Prevent warnings upgrading cron array.</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/52663">52663</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/52663","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>2022-02-02 23:24:40 +0000 (Wed, 02 Feb 2022)</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'>Upgrade: Prevent warnings upgrading cron array.
An unvisited site may have an undefined cron array, resulting in `_get_cron_array()` returning the value `false`. Previously this would trigger warning in `upgrade_590()` as the function assumed `_get_cron_array()` would alway return an array.
No database version change is required as the upgrade routine was successful on sites with a cron array during 5.9.0. On sites without a cron array, the error has already been thrown if they are running db version 51917. This fix is only required for new sites or those upgrading that have skipped 5.9.0.
Follow up to <a href="https://core.trac.wordpress.org/changeset/51917">[51917]</a>.
Props chrisvanpatten, kapilpaul, SergeyBiryukov, audrasjb.
Merges <a href="https://core.trac.wordpress.org/changeset/52656">[52656]</a> and <a href="https://core.trac.wordpress.org/changeset/52662">[52662]</a> to the 5.9 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/54906">#54906</a>.
See <a href="https://core.trac.wordpress.org/ticket/53940">#53940</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches59srcwpadminincludesupgradephp">branches/5.9/src/wp-admin/includes/upgrade.php</a></li>
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<h3>Property Changed</h3>
<ul>
<li><a href="#branches59">branches/5.9/</a></li>
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<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/5.9
</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/5.9 2022-02-02 23:20:29 UTC (rev 52662)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/5.9 2022-02-02 23:24:40 UTC (rev 52663)
</ins><a id="branches59"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/5.9</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/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.8:51889
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:52454-52457,52547,52555,52558,52562-52563,52612-52613,52618,52626,52628,52633,52637
</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:52454-52457,52547,52555,52558,52562-52563,52612-52613,52618,52626,52628,52633,52637,52656,52662
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches59srcwpadminincludesupgradephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.9/src/wp-admin/includes/upgrade.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.9/src/wp-admin/includes/upgrade.php 2022-02-02 23:20:29 UTC (rev 52662)
+++ branches/5.9/src/wp-admin/includes/upgrade.php 2022-02-02 23:24:40 UTC (rev 52663)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2269,9 +2269,12 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $wp_current_db_version < 51917 ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $crons = _get_cron_array();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Remove errant `false` values, see #53950.
- $crons = array_filter( $crons );
- _set_cron_array( $crons );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ if ( $crons && is_array( $crons ) ) {
+ // Remove errant `false` values, see #53950, #54906.
+ $crons = array_filter( $crons );
+ _set_cron_array( $crons );
+ }
</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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