Change throwable var name

extensions/php/snippets/php.snippets.json

@@ -254,7 +254,7 @@
 		"body": [
 			"try {",
 			"\t${1://code...}",
-			"} catch (${2:\\Throwable} ${3:$$t}) {",
+			"} catch (${2:\\Throwable} ${3:$$th}) {",
 			"\t${4://throw $$th;}",
 			"}"
 		],