Ticket #49239: install.php.patch

install.php

@@ -92 +92 @@
         global $wpdb;
 
         $sql        = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->users ) );
-        $user_table = ( $wpdb->get_var( $sql ) != null );
+        $user_table = ( $wpdb->get_var( $sql ) !== null );
 
         // Ensure that Blogs appear in search engines by default.
         $blog_public = 1;
@@ -369 +369 @@
                         // TODO: poka-yoke
                         display_setup_form( __( 'Please provide a valid username.' ) );
                         $error = true;
-                } elseif ( $user_name != sanitize_user( $user_name, true ) ) {
+                } elseif ( $user_name !== sanitize_user( $user_name, true ) ) {
                         display_setup_form( __( 'The username you provided has invalid characters.' ) );
                         $error = true;
-                } elseif ( $admin_password != $admin_password_check ) {
+                } elseif ( $admin_password !== $admin_password_check ) {
                         // TODO: poka-yoke
                         display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
                         $error = true;