update to kirby 4.8

site/plugins/helpers/index.php

@@ -0,0 +1,50 @@
+<?php
+
+function formatSize($bytes)
+{
+    if ($bytes >= 1_000_000_000) {
+        $bytes = number_format($bytes / 1_000_000_000, 2) . ' Go';
+    } elseif ($bytes >= 1_000_000) {
+        $bytes = number_format($bytes / 1_000_000, 1) . ' Mo';
+    } elseif ($bytes >= 1_000) {
+        $bytes = number_format($bytes / 1_000, 0) . ' Ko';
+    } elseif ($bytes > 1) {
+        $bytes = $bytes . ' octets';
+    } elseif ($bytes == 1) {
+        $bytes = $bytes . ' octet';
+    } else {
+        $bytes = '0 octets';
+    }
+
+    return $bytes;
+}
+
+// https://stackoverflow.com/questions/4914750/how-to-zip-a-whole-folder-using-php
+function createZip($inputDirPath, $outputFilePath)
+{
+    // Initialize archive object
+    $zip = new ZipArchive();
+    $zip->open($outputFilePath, ZipArchive::CREATE | ZipArchive::OVERWRITE);
+
+    // Create recursive directory iterator
+    /** @var SplFileInfo[] $files */
+    $files = new RecursiveIteratorIterator(
+        new RecursiveDirectoryIterator($inputDirPath),
+        RecursiveIteratorIterator::LEAVES_ONLY
+    );
+
+    foreach ($files as $file) {
+        // Skip directories (they would be added automatically)
+        if (!$file->isDir()) {
+            // Get real and relative path for current file
+            $filePath = $file->getRealPath();
+            $relativePath = substr($filePath, strlen($inputDirPath) + 1);
+
+            // Add current file to archive
+            $zip->addFile($filePath, $relativePath);
+        }
+    }
+
+    // Zip archive will be created only after closing object
+    $zip->close();
+}