1 files changed, 12 insertions, 0 deletions
diff --git a/include/defer.php b/include/defer.php
new file mode 100644
index 0000000..ee01bbc
--- /dev/null
+++ b/include/defer.php
@@ -0,0 +1,12 @@
+<?php
+
+function defer(&$context, $f): void {
+    $context ??= new class() {
+        public $funcs = [];
+        public function __destruct()
+        {
+            while (count($this->funcs)) array_pop($this->funcs)();
+        }
+    };
+    $context->funcs[] = $f;
+}