Exit gracefully with a warning if the table_prefix uses disallowed chars. fixes #3537

git-svn-id: http://svn.automattic.com/wordpress/trunk@4695 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2007-01-07 09:41:32 +00:00 · 2007-01-07 09:41:32 +00:00 · cde68f9336
parent e2412eaaf2
commit cde68f9336
1 changed files with 3 additions and 0 deletions
--- a/wp-settings.php
+++ b/wp-settings.php
@ -100,6 +100,9 @@ else
 // $table_prefix is deprecated as of 2.1
 $wpdb->prefix = $table_prefix;

+if ( preg_match('|[^a-z0-9_]|i', $wpdb->prefix) && !file_exists(ABSPATH . 'wp-content/db.php') )
+	die(__('<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.'));
+
 // Table names
 $wpdb->posts          = $wpdb->prefix . 'posts';
 $wpdb->users          = $wpdb->prefix . 'users';