From f5d26b7fe2136ac3e852453d1f5b5e39860f5087 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20H=C3=A4rtl?= <haertl.mike@gmail.com>
Date: Mon, 14 Oct 2024 07:27:43 +0200
Subject: [PATCH] Issue #28 Add ignoreUserAbort option to remove files if
 connection closed

---
 README.md    |  4 ++++
 src/File.php | 13 +++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/README.md b/README.md
index 86d7b4a..e4ca13c 100644
--- a/README.md
+++ b/README.md
@@ -62,3 +62,7 @@ File::$defaultHeader['X-Header'] = 'My Default';
 $file = new File('some content', '.html');
 $file->send('home.html');
 ```
+
+The `$ignoreUserAbort` option (on by default) mitigates an issue where the file
+was not deleted if the user closes the connection during a download. Try setting
+it to `false` if you experience unexpected behavior.
diff --git a/src/File.php b/src/File.php
index 2271260..10a4ae4 100644
--- a/src/File.php
+++ b/src/File.php
@@ -19,6 +19,13 @@ class File
      */
     public $delete = true;
 
+    /**
+     * @var bool whether to ignore if a user closed the connection so that the
+     * temporary file can still be cleaned up in that case. Default is `true`.
+     * @see https://www.php.net/manual/en/function.ignore-user-abort.php
+     */
+    public $ignoreUserAbort = true;
+
     /**
      * @var array the list of static default headers to send when `send()` is
      * called as key/value pairs.
@@ -126,6 +133,12 @@ public function send($filename = null, $contentType = null, $inline = false, $he
         }
 
         $this->sendHeaders($headers);
+
+        // #28: File not cleaned up if user aborts connection during download
+        if ($this->ignoreUserAbort) {
+            ignore_user_abort(true);
+        }
+
         readfile($this->_fileName);
     }