Ticket #3615: mysql-4-check.diff

wp-admin/upgrade-functions.php

@@ -11 +11 @@
 function wp_install($blog_title, $user_name, $user_email, $public, $meta='') {
         global $wp_rewrite;
 
+        wp_check_mysql_version();
         wp_cache_flush();
         make_db_current_silent();
         populate_options();
@@ -134 +135 @@
         if ( $wp_db_version == $wp_current_db_version )
                 return;
 
+        wp_check_mysql_version();
         wp_cache_flush();
         make_db_current_silent();
         upgrade_all();
@@ -1081 +1083 @@
         }
 }
 
+function wp_check_mysql_version() {
+        global $wp_version;
+
+        // Make sure the server has MySQL 4.0
+        $mysql_version = preg_replace('|[^0-9\.]|', '', @mysql_get_server_info());
+        if ( version_compare($mysql_version, '4.0.0', '<') )
+                die(sprintf(__('<strong>ERROR</strong>: WordPress %s requires MySQL 4.0.0 or higher'), $wp_version));
+}
+
 ?>