first commit

common/Files/Actions/GetServerMaxUploadSize.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Common\Files\Actions;
+
+class GetServerMaxUploadSize
+{
+    protected $configKeys = ['post_max_size', 'upload_max_filesize', 'memory_limit'];
+
+    /**
+     * @return array
+     */
+    public function execute()
+    {
+        $configValues = collect($this->configKeys)
+            ->map(function($key) {
+                $value = ini_get($key);
+                return ['original' => $value, 'bytes' => $this->getBytes($value)];
+            })->filter(function($value) {
+                return $value['bytes'] > 0;
+            });
+
+        return $configValues->where('bytes', $configValues->min('bytes'))->first();
+    }
+
+    /**
+     * @param int|string $value
+     * @return int
+     */
+    protected function getBytes($value)
+    {
+        if (is_numeric($value)) {
+            return (int) $value;
+        }
+
+        $metric = strtoupper(substr($value, -1));
+
+        switch ($metric) {
+            case 'K':
+                return (int) $value * 1024;
+            case 'M':
+                return (int) $value * 1048576;
+            case 'G':
+                return (int) $value * 1073741824;
+            default:
+                return (int) $value;
+        }
+    }
+}