Dropped PHP 7.1 & 7.2, Laravel 5; added PHP 8 support

Changelog.md

@@ -1,6 +1,13 @@
 # Changelog
 ### Konekt Enum Eloquent
 
+## Unreleased
+##### 2020-XX-YY
+
+- Dropped PHP 7.1 & PHP 7.2 support
+- Dropped Laravel 5 support
+- Added PHP 8 support
+
 ## 1.6.1
 ##### 2020-11-04
 

composer.json

@@ -22,19 +22,16 @@
         }
     ],
     "require": {
-        "php": "^7.1.3",
+        "php": "^7.3 | ^8.0",
         "konekt/enum": "^2.0.2 || ^3.0.0",
-        "illuminate/database": "5.*|6.*|7.*|8.*"
+        "illuminate/database": "6.*|7.*|8.*"
     },
     "require-dev": {
-        "phpunit/phpunit": "6.3 - 7.5|~8.0",
-        "illuminate/events": "5.*|6.*|7.*|8.*"
+        "phpunit/phpunit": "8 - 9",
+        "illuminate/events": "6.*|7.*|8.*"
     },
     "autoload": {
-        "psr-4": { "Konekt\\Enum\\Eloquent\\": "src/" },
-        "files": [
-            "src/functions.php"
-        ]
+        "psr-4": { "Konekt\\Enum\\Eloquent\\": "src/" }
     },
     "autoload-dev": {
         "psr-4": {

src/CastsEnums.php

@@ -12,6 +12,8 @@
 
 namespace Konekt\Enum\Eloquent;
 
+use Illuminate\Support\Str;
+
 trait CastsEnums
 {
     /**
@@ -114,15 +116,15 @@ private function getEnumClass($key)
     {
         $result = $this->enums[$key];
         if (strpos($result, '@')) {
-            $class  = str_before($result, '@');
-            $method = str_after($result, '@');
+            $class  = Str::before($result, '@');
+            $method = Str::after($result, '@');
 
             // If no namespace was set, prepend the Model's namespace to the
             // class that resolves the enum class. Prevent this behavior,
             // by setting the resolver class with a leading backslash
             if (class_basename($class) == $class) {
                 $class =
-                    str_replace_last(
+                    Str::replaceLast(
                         class_basename(get_class($this)),
                         $class,
                         self::class