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<title>[12422] trunk/wp-admin/includes/update-core.php:
Check MySQL and PHP versions when auto upgrading.</title>
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<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12422">12422</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2009-12-17 16:04:47 +0000 (Thu, 17 Dec 2009)</dd>
</dl>
<h3>Log Message</h3>
<pre>Check MySQL and PHP versions when auto upgrading. Props westi, Denis-de-Bernardy, nacin, caesarsgrunt. see <a href="http://trac.wordpress.org/ticket/11464">#11464</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminincludesupdatecorephp">trunk/wp-admin/includes/update-core.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminincludesupdatecorephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/update-core.php (12421 => 12422)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/update-core.php 2009-12-16 22:14:41 UTC (rev 12421)
+++ trunk/wp-admin/includes/update-core.php 2009-12-17 16:04:47 UTC (rev 12422)
</span><span class="lines">@@ -215,10 +215,22 @@
</span><span class="cx"> * @return WP_Error|null WP_Error on failure, null on success.
</span><span class="cx"> */
</span><span class="cx"> function update_core($from, $to) {
</span><del>- global $wp_filesystem, $_old_files;
</del><ins>+ global $wp_filesystem, $_old_files, $wpdb;
</ins><span class="cx">
</span><span class="cx"> @set_time_limit( 300 );
</span><span class="cx">
</span><ins>+ $php_version = phpversion();
+ $php_compat = version_compare( $php_version, '4.3', '>=' );
+ $mysql_version = $wpdb->db_version;
+ $mysql_compat = version_compare( $mysql_version, '4.1.2', '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
+
+ if ( !$mysql_compat && !$php_compat )
+ return new WP_Error( 'php_mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress requires PHP version 4.3 or higher and MySQL version 4.1.2 or higher. You are running PHP version %1$s and MySQL version %2$s.'), $php_version, $mysql_version ) );
+ elseif ( !$php_compat )
+ return new WP_Error( 'php_not_compatible', sprintf( __('The update cannot be installed because WordPress requires PHP version 4.3 or higher. You are running version %s.'), $php_version ) );
+ elseif ( !$mysql_compat )
+ return new WP_Error( 'mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress requires MySQL version 4.1.2 or higher. You are running version %s.'), $mysql_version ) );
+
</ins><span class="cx"> // Sanity check the unzipped distribution
</span><span class="cx"> apply_filters('update_feedback', __('Verifying the unpacked files'));
</span><span class="cx"> if ( !$wp_filesystem->exists($from . '/wordpress/wp-settings.php') || !$wp_filesystem->exists($from . '/wordpress/wp-admin/admin.php') ||
</span></span></pre>
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