From 98a2d1ab4a1332b51d48472f824ec3b1cd365754 Mon Sep 17 00:00:00 2001
From: Mathias Gelhausen <gelhausen@cross-solution.de>
Date: Mon, 8 Jun 2020 20:25:30 +0200
Subject: [PATCH] fix: remove usage of deprecated string offset access syntax

In three files, the string offset access syntax with curly braces was used,
which causes errors when executed under PHP 7.4.

[ fixes #8 ]
---
 src/TestCase/SetupTargetTrait.php | 2 +-
 src/Utils/Instance.php            | 4 ++--
 src/Utils/Target.php              | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/TestCase/SetupTargetTrait.php b/src/TestCase/SetupTargetTrait.php
index 32cbdfb..7958c3a 100644
--- a/src/TestCase/SetupTargetTrait.php
+++ b/src/TestCase/SetupTargetTrait.php
@@ -127,7 +127,7 @@ private function setupTarget(): void
         $nameParts = explode(' ', $this->getName());
         $name      = reset($nameParts);
         $set       = end($nameParts);
-        $set       = '#' == $set{0} || '"' == $set{0} ? trim($set, '"') : '';
+        $set       = '#' == $set[0] || '"' == $set[0] ? trim($set, '"') : '';
 
         foreach ($specs as $spec) {
             $for = isset($spec['for']) ? (array) $spec['for'] : ['*'];
diff --git a/src/Utils/Instance.php b/src/Utils/Instance.php
index d90f850..fc56dca 100644
--- a/src/Utils/Instance.php
+++ b/src/Utils/Instance.php
@@ -74,7 +74,7 @@ public static function create($fqcn, ...$arguments): object
             );
         }
 
-        if ('!' == $fqcn{0}) {
+        if ('!' == $fqcn[0]) {
             return self::reflection(substr($fqcn, 1));
         }
 
@@ -142,7 +142,7 @@ public static function withMappedArguments($fqcn, $arguments, ?object $context =
                     break;
 
                 // '@function'
-                case is_string($value) && '@' == $value{0}:
+                case is_string($value) && '@' == $value[0]:
                     $callback = ltrim($value, '@');
                     break;
 
diff --git a/src/Utils/Target.php b/src/Utils/Target.php
index 3d79a2c..a265070 100644
--- a/src/Utils/Target.php
+++ b/src/Utils/Target.php
@@ -68,7 +68,7 @@ public static function get(
                 return $target;
             }
 
-            if (!$forceObject && is_string($target) && '!' != $target{0}) {
+            if (!$forceObject && is_string($target) && '!' != $target[0]) {
                 return $target;
             }