Make ext-intl optional; (re)introduce fallback

Hard-requiring extensions for non-core feature is overkill

Author: Vectorial1024

CHANGELOG.md

@@ -3,6 +3,10 @@ Note: you may refer to `README.md` for description of features.
 
 ## Dev (WIP)
 
+## 2.0.1 (2025-01-13)
+- Added fallback of Laravel's `Number::fileSize()` if `ext-intl` is not available
+  - `ext-intl` is now suggested instead of required
+
 ## 2.0.0 (2025-01-12)
 - Adopted Laravel's `Number::fileSize()` to show the estimated evicted storage size stats
   - Therefore, further requires `ext-intl`

README.md

@@ -30,6 +30,9 @@ via Composer:
 composer require vectorial1024/laravel-cache-evict
 ```
 
+Suggestions:
+- (Optional) `ext-intl` allows using Laravel's own `Number::fileSize()` for size reporting
+
 ### Supported cache types
 The following cache drivers from `cache.php` are currently supported:
 - `database`

composer.json

@@ -33,7 +33,6 @@
     ],
     "require": {
         "php": "^8.1",
-        "ext-intl": "*",
         "illuminate/support": "^10.0|^11.0",
         "wilderborn/partyline": "^1.0"
     },
@@ -42,6 +41,9 @@
         "phpunit/phpunit": "^10.4",
         "orchestra/testbench": "^8.0|^9.0"
     },
+    "suggest": {
+        "ext-intl": "Enables using Laravel's `Number::fileSize()` for size reporting"
+    },
     "scripts": {
         "test": "vendor/bin/phpunit test"
     },

src/AbstractEvictStrategy.php

@@ -43,6 +43,14 @@ abstract public function execute();
     protected function bytesToHuman(int $bytes): string
     {
         // it turns out Laravel already has a helper for this
-        return Number::fileSize($bytes, 2, 2);
+        // but it requires the intl extension
+        // prefer the Laravel solution; if they don't have it, then we can still use the fallback hand-crafted solution
+        if (extension_loaded('intl')) {
+            return Number::fileSize($bytes, 2, 2);
+        }
+        // see https://stackoverflow.com/questions/15188033/human-readable-file-size
+        $units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
+        for ($i = 0; $bytes > 1024; $i++) $bytes /= 1024;
+        return round($bytes, 2) . ' ' . $units[$i];
     }
 }