Changeset 12422

Timestamp:

12/17/2009 04:04:47 PM (15 years ago)

Author:

ryan

Message:

Check MySQL and PHP versions when auto upgrading. Props westi, Denis-de-Bernardy, nacin, caesarsgrunt. see #11464

File:

• trunk/wp-admin/includes/update-core.php (modified) (1 diff)

trunk/wp-admin/includes/update-core.php

@@ -216 +216 @@
  */
 function update_core($from, $to) {
-    global $wp_filesystem, $_old_files;
+    global $wp_filesystem, $_old_files, $wpdb;
 
     @set_time_limit( 300 );
+
+    $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 ) );
 
     // Sanity check the unzipped distribution