first commit

merge_chunks.php

@@ -0,0 +1,21 @@
+<?php
+
+require_once __DIR__ . '/config.php';
+
+$data = json_decode(file_get_contents('php://input'), true);
+$filename = basename($data['filename']);
+$total = intval($data['total']);
+$tmpDir = __DIR__ . '/upload_chunks/' . $filename;
+$finalPath = __DIR__ . '/upload/' . $filename;
+
+$out = fopen($finalPath, 'w');
+for ($i = 0; $i < $total; $i++) {
+    $partPath = "$tmpDir/$i.part";
+    $in = fopen($partPath, 'r');
+    stream_copy_to_stream($in, $out);
+    fclose($in);
+    unlink($partPath);
+}
+fclose($out);
+rmdir($tmpDir);
+http_response_code(200);