From b989e825e14229ab558eeea312d9eaf8a483a2d9 Mon Sep 17 00:00:00 2001
From: Jack Cherng <jfcherng@gmail.com>
Date: Sat, 27 Jul 2019 06:54:50 +0800
Subject: [PATCH] Fix PHP 7.4 deprecation: array/string curly braces access

Deprecated: Array and string offset access syntax with curly braces is deprecated

https://github.com/php/php-src/blob/0e6e2297fcb27103cc5d550ee8434680ff1e879e/UPGRADING#L356-L357

Signed-off-by: Jack Cherng <jfcherng@gmail.com>
---
 libraries/classes/Server/Privileges.php | 4 ++--
 libraries/classes/Url.php               | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/classes/Server/Privileges.php b/libraries/classes/Server/Privileges.php
index 75823fcbc2..637ecba799 100644
--- a/libraries/classes/Server/Privileges.php
+++ b/libraries/classes/Server/Privileges.php
@@ -3872,7 +3872,7 @@ class Privileges
             }
             $drop_user_error = '';
             foreach ($queries as $sql_query) {
-                if ($sql_query{0} != '#') {
+                if ($sql_query[0] != '#') {
                     if (! $GLOBALS['dbi']->tryQuery($sql_query)) {
                         $drop_user_error .= $GLOBALS['dbi']->getError() . "\n";
                     }
@@ -4119,7 +4119,7 @@ class Privileges
     {
         $tmp_count = 0;
         foreach ($queries as $sql_query) {
-            if ($sql_query{0} != '#') {
+            if ($sql_query[0] != '#') {
                 $GLOBALS['dbi']->query($sql_query);
             }
             // when there is a query containing a hidden password, take it
diff --git a/libraries/classes/Url.php b/libraries/classes/Url.php
index 36219e17e4..6733d1265c 100644
--- a/libraries/classes/Url.php
+++ b/libraries/classes/Url.php
@@ -248,7 +248,7 @@ class Url
             if (mb_strpos($arg_separator, ';') !== false) {
                 $separator = ';';
             } elseif (strlen($arg_separator) > 0) {
-                $separator = $arg_separator{0};
+                $separator = $arg_separator[0];
             } else {
                 $separator = '&';
             }