Ticket #19970: 19970.2.diff

wp-admin/install.php

@@ -151 +151 @@
 $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
 
 if ( !$mysql_compat && !$php_compat )
-        $compat = sprintf( __('You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
+        $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.' ), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
 elseif ( !$php_compat )
-        $compat = sprintf( __('You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version );
+        $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
 elseif ( !$mysql_compat )
-        $compat = sprintf( __('You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version );
+        $compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
 
 if ( !$mysql_compat || !$php_compat ) {
         display_header();
-        die('<h1>' . __('Insufficient Requirements') . '</h1><p>' . $compat . '</p></body></html>');
+        die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
 }
 
+if ( empty( $wpdb->prefix ) ) {
+        display_header();       
+        die( '<h1>' . __( 'Empty Table Prefix' ) . '</h1><p>' . __( 'Empty database table prefix is not supported.' ) . '</p></body></html>' );
+}
+
 switch($step) {
         case 0: // Step 1
         case 1: // Step 1, direct link.