1 files changed, 15 insertions, 0 deletions
diff --git a/app/class/globals.php b/app/class/globals.php
index 8ac67e1..6e3b7fd 100644
--- a/app/class/globals.php
+++ b/app/class/globals.php
@@ -247,4 +247,19 @@ function saveFile(array $file, string $path, int $maxsize, ?array $allowedMime =
     return true;
 }
 
+/*
+ * Similar to saveFile, but takes the uploaded file field name,
+ * rather than the array directly.  The file is looked up in
+ * $_FILES.  If it does not exist, an exception is thrown.
+ */
+function saveIfFile(string $file, string $path, int $maxsize, ?array $allowedMime = NULL,
+    ?string &$origName = NULL, ?string &$origMime = NULL) : bool
+{
+    if (!isset($_FILES[$file]))
+        throw new Exception("Requested file upload, but no data was supplied");
+
+    $f = $_FILES[$file];
+    return saveFile($f, $path, $maxsize, $allowedMime, $origName, $origMime);
+}
+
 ?>