Doc #74024 [NEW]: Nullable types aren't documented, except in the migration guide

From: Date: Tue, 31 Jan 2017 15:55:12 +0000
Subject: Doc #74024 [NEW]: Nullable types aren't documented, except in the migration guide
Groups: php.doc.bugs 
Request: Send a blank email to doc-bugs+get-14398@lists.php.net to get a copy of this message 
From:             mat at zerifas dot com
Operating system: N/A
PHP version:      7.1.1
Package:          Documentation problem
Bug Type:         Documentation Problem
Bug description:Nullable types aren't documented, except in the migration guide

Description:
------------
First I looked here php.net/manual/en/language.oop5.typehinting.php
which links to here
php.net/manual/en/functions.arguments.php#functions.arguments.type-declaration

The only mention of nullable is using the old syntax:
php.net/manual/en/functions.arguments.php#example-140

There's nothing on the return types page either:
php.net/manual/en/functions.returning-values.php

Finally, I looked at the Types page, but nothing there either
php.net/manual/en/language.types.php

I eventually found what I was looking for in the new features part of
the migration guide, but feel it should be in the main docs too:
php.net/manual/en/migration71.new-features.php


-- 
Edit bug report at https://bugs.php.net/bug.php?id=74024&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=74024&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=74024&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=74024&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=74024&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=74024&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=74024&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=74024&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=74024&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=74024&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=74024&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=74024&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=74024&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=74024&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74024&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=74024&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=74024&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=74024&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=74024&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=74024&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=74024&r=mysqlcfg

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