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<title>[46797] trunk/src/wp-admin/includes/class-wp-site-health.php: Site Health: Add a test for PHP default timezone.</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/46797">46797</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/46797","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>2019-11-28 15:46:45 +0000 (Thu, 28 Nov 2019)</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'>Site Health: Add a test for PHP default timezone.
The test reports a failure if the default timezone was changed with `date_default_timezone_set()` to anything other than `UTC`.
WordPress historically uses `UTC` as the default timezone for calculating date and time offsets, overriding it is not recommended and can cause widespread and obscure issues.
Props Rarst, Clorith, TimothyBlynJacobs.
Fixes <a href="https://core.trac.wordpress.org/ticket/48692">#48692</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesclasswpsitehealthphp">trunk/src/wp-admin/includes/class-wp-site-health.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesclasswpsitehealthphp"></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/class-wp-site-health.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/class-wp-site-health.php 2019-11-28 13:55:22 UTC (rev 46796)
+++ trunk/src/wp-admin/includes/class-wp-site-health.php 2019-11-28 15:46:45 UTC (rev 46797)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1016,6 +1016,46 @@
</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><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Test if the PHP default timezone is set to UTC.
+ *
+ * @since 5.3.1
+ *
+ * @return array The test results.
+ */
+ public function get_test_php_default_timezone() {
+ $result = array(
+ 'label' => __( 'PHP default timezone is valid' ),
+ 'status' => 'good',
+ 'badge' => array(
+ 'label' => __( 'Performance' ),
+ 'color' => 'blue',
+ ),
+ 'description' => sprintf(
+ '<p>%s</p>',
+ __( 'PHP default timezone was configured by WordPress on loading. This is necessary for correct calculations of dates and times.' )
+ ),
+ 'test' => 'php_default_timezone',
+ );
+
+ if ( 'UTC' !== date_default_timezone_get() ) {
+ $result['status'] = 'critical';
+
+ $result['label'] = __( 'PHP default timezone is invalid' );
+
+ $result['description'] = sprintf(
+ '<p>%s</p>',
+ sprintf(
+ /* translators: %s: date_default_timezone_set() */
+ __( 'PHP default timezone was changed after WordPress loading by a %s function call. This interferes with correct calculations of dates and times.' ),
+ '<code>date_default_timezone_set()</code>'
+ )
+ );
+ }
+
+ return $result;
+ }
+
+ /**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Test if the SQL server is up to date.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 5.2.0
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1842,51 +1882,55 @@
</span><span class="cx" style="display: block; padding: 0 10px"> public static function get_tests() {
</span><span class="cx" style="display: block; padding: 0 10px"> $tests = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'direct' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'wordpress_version' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'wordpress_version' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'WordPress Version' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'wordpress_version',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'plugin_version' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'plugin_version' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Plugin Versions' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'plugin_version',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'theme_version' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'theme_version' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Theme Versions' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'theme_version',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'php_version' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'php_version' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'PHP Version' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'php_version',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'sql_server' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'php_extensions' => array(
+ 'label' => __( 'PHP Extensions' ),
+ 'test' => 'php_extensions',
+ ),
+ 'php_default_timezone' => array(
+ 'label' => __( 'PHP Default Timezone' ),
+ 'test' => 'php_default_timezone',
+ ),
+ 'sql_server' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Database Server version' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'sql_server',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'php_extensions' => array(
- 'label' => __( 'PHP Extensions' ),
- 'test' => 'php_extensions',
- ),
- 'utf8mb4_support' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'utf8mb4_support' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'MySQL utf8mb4 support' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'utf8mb4_support',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'https_status' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'https_status' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'HTTPS status' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'https_status',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'ssl_support' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'ssl_support' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Secure communication' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'ssl_support',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'scheduled_events' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'scheduled_events' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Scheduled events' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'scheduled_events',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'http_requests' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'http_requests' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'HTTP Requests' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'http_requests',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'debug_enabled' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'debug_enabled' => array(
</ins><span class="cx" style="display: block; padding: 0 10px"> 'label' => __( 'Debugging enabled' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'test' => 'is_in_debug_mode',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span></span></pre>
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