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<title>[50460] trunk/src/wp-admin/includes/update-core.php: Docs: Clarify a comment about `wp_opcache_invalidate()` in `_copy_dir()`.</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/50460">50460</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/50460","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>2021-03-01 10:36:29 +0000 (Mon, 01 Mar 2021)</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'>Docs: Clarify a comment about `wp_opcache_invalidate()` in `_copy_dir()`.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/48160">[48160]</a>.
See <a href="https://core.trac.wordpress.org/ticket/52628">#52628</a>.</pre>
<h3>Modified Paths</h3>
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<li><a href="#trunksrcwpadminincludesupdatecorephp">trunk/src/wp-admin/includes/update-core.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesupdatecorephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/update-core.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/update-core.php 2021-03-01 08:27:03 UTC (rev 50459)
+++ trunk/src/wp-admin/includes/update-core.php 2021-03-01 10:36:29 UTC (rev 50460)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -937,7 +937,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Import $wp_version, $required_php_version, and $required_mysql_version from the new version.
</span><span class="cx" style="display: block; padding: 0 10px"> * DO NOT globalise any variables imported from `version-current.php` in this function.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php';
</span><span class="cx" style="display: block; padding: 0 10px"> if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1373,7 +1373,10 @@
</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">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // `wp_opcache_invalidate()` only exists in WordPress 5.5, so don't run it when upgrading to 5.5.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later,
+ * so don't run it when upgrading from older versions.
+ */
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( function_exists( 'wp_opcache_invalidate' ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> wp_opcache_invalidate( $to . $filename );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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