Ticket #4007: is_installed_option.diff

wp-admin/upgrade-functions.php

@@ -24 +24 @@
         $guessurl = preg_replace('|/wp-admin/.*|i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
         update_option('siteurl', $guessurl);
 
+                
+        $temp_file=file_get_contents('../wp-config.php');
+        $temp_file=str_replace("define('SITE_URL','')","define('SITE_URL','$guessurl')",$temp_file);
+        $handle = fopen('../wp-config.php', 'w');
+ 
+        fwrite($handle,$temp_file);     
+        fclose($handle);
+        unset($configFile);
+        
         // If not a public blog, don't ping.
         if ( ! $public )
                 update_option('default_pingback_flag', 0);

wp-config-sample.php

@@ -6 +6 @@
 define('DB_HOST', 'localhost');    // 99% chance you won't need to change this value
 define('DB_CHARSET', 'utf8');
 define('DB_COLLATE', '');
-
+define('SITE_URL','');
 // You can have multiple installations in one database if you give each a unique prefix
 $table_prefix  = 'wp_';   // Only numbers, letters, and underscores please!
 

wp-includes/functions.php

@@ -989 +989 @@
 }
 
 function is_blog_installed() {
+        
+        if (defined('SITE_URL') && SITE_URL!=='') return SITE_URL;
+        
         global $wpdb;
         $wpdb->hide_errors();
         $installed = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'");