Add hook enums (#8036)

- add an enum to handle hook types (enum are available since PHP 8.1)
- change hook calls from string value to enum value

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Minz/HookSignature.php b/lib/Minz/HookSignature.php
new file mode 100644
index 000000000..bfc7410d6
--- /dev/null
+++ b/lib/Minz/HookSignature.php
@@ -0,0 +1,9 @@
+<?php
+declare(strict_types=1);
+
+enum Minz_HookSignature {
+	case NoneToNone;
+	case NoneToString;
+	case OneToOne;
+	case PassArguments;
+}