feat: add php 8.1 enums examples

Author: rgomezcasas

php8.1-news/docker.sh

@@ -0,0 +1,3 @@
+example=$(ls src | fzf)
+
+docker run -it -v `pwd`:`pwd` -w `pwd` phpdaily/php:8.1-dev php "src/$example" 2>/dev/null

php8.1-news/src/1-basic_enum.php

@@ -0,0 +1,19 @@
+<?php
+
+enum Editor: string {
+    case VSCode  = 'Visual Studio Code';
+    case Idea    = 'Intellij Idea';
+    case Sublime = 'Sublime Text';
+}
+
+function is_good(Editor $editor) {
+    $yesMessage  = 'Yeah, %s is good';
+    $nopeMessage = 'Nope, %s is not good';
+
+    return sprintf(rand(0,1) == 1 ? $yesMessage : $nopeMessage, $editor->value);
+}
+
+
+echo is_good(Editor::VSCode)  . "\n";
+echo is_good(Editor::Idea)    . "\n";
+echo is_good(Editor::Sublime) . "\n";

php8.1-news/src/2-explore_enum.php

@@ -0,0 +1,17 @@
+<?php
+
+enum Editor: string {
+    case VSCode  = 'Visual Studio Code';
+    case Idea    = 'Intellij Idea';
+    case Sublime = 'Sublime Text';
+
+    public function creator(): string {
+        return match ($this) {
+            Editor::VSCode  => 'Microsoft',
+            Editor::Idea    => 'JetBrains',
+            Editor::Sublime => 'Someone',
+        };
+    }
+}
+
+echo Editor::Idea->creator();