Update zip-folder.php

Author: ttodua

zip-folder.php

@@ -4,25 +4,32 @@
 // =========================================================================
 
 function zip_folder ($input_folder, $output_zip_file) {
-	$zipClass = new ZipArchive();
-	if($input_folder !== false && $output_zip_file !== false)
-	{
-		$res = $zipClass->open($output_zip_file, \ZipArchive::CREATE);
-		if($res === TRUE)   {
-			// Add a Dir with Files and Subdirs to the archive
-			$foldername = basename($input_folder);
-			$zipClass->addEmptyDir($foldername);
-			$foldername .= '/';         $input_folder .= '/';
-			// Read all Files in Dir
-			$dir = opendir ($input_folder);
-			while ($file = readdir($dir))    {
-				if ($file == '.' || $file == '..') continue;
-				// Rekursiv, If dir: GoodZipArchive::addDir(), else ::File();
-				$do = (filetype( $input_folder . $file) == 'dir') ? 'addDir' : 'addFile';
-				$zipClass->$do($input_folder . $file, $foldername . $file);
-			}
-			$zipClass->close(); 
-		}
-		else   { exit ('Could not create a zip archive, migth be write permissions or other reason. Contact admin.'); }
-	}
-} 
+    $zipClass = new ZipArchive();
+    $input_folder = realpath($input_folder);
+    $addDirDo = static function($input_folder, $name) use ($zipClass, &$addDirDo ) {
+        $name .= '/';
+        $input_folder .= '/';
+        // Read all Files in Dir
+        $dir = opendir ($input_folder);
+        while ($item = readdir($dir))    {
+            if ($item == '.' || $item == '..') continue;
+            $itemPath = $input_folder . $item;
+            if (filetype($itemPath) == 'dir') {
+                $zipClass->addEmptyDir($name . $item);
+                $addDirDo($input_folder . $item, $name . $item);
+            } else {
+                $zipClass->addFile($itemPath, $name . $item);
+            }
+        }
+    };
+    if($input_folder !== false && $output_zip_file !== false)
+    {
+        $res = $zipClass->open($output_zip_file, \ZipArchive::CREATE);
+        if($res === true)   {
+            $zipClass->addEmptyDir(basename($input_folder));
+            $addDirDo($input_folder, basename($input_folder));
+            $zipClass->close(); 
+        }
+        else   { exit ('Could not create a zip archive, migth be write permissions or other reason.'); }
+    }
+}