[PHP-BUG] Req #69980 [NEW]: Support to private/protected const on classes

From:             david dot proweb at gmail dot com
Operating system: 
PHP version:      7.0.0alpha2
Package:          PHP Language Specification
Bug Type:         Feature/Change Request
Bug description:Support to private/protected const on classes

Description:
------------
Currently, const defined in classes are always public. I suggest allow
private/protected it. It'll allow I define my own private/protected
constants inside my class, without need create a static
private/protected property to store this kind of data.

Currently:

    class Test 
    {
        private static $VERSION_MATCH = '/^\d+\.\d+$/';
        public static function match($version) 
        {
            return preg_match(self::$VERSION_MATCH, $version);
        }
    }

After implementation:

    class Test 
    {
        private const VERSION_MATCH = '/^\d+\.\d+$/';
        public static function match($version) 
        {
            return preg_match(self::VERSION_MATCH, $version);
        }
    }

Imagine that I don't want that this const be public.

    class_statement:
        variable_modifiers property_list ';'
 ~    | class_member_modifier T_CONST class_const_list ';'
      | T_USE name_list trait_adaptations
      | method_modifiers function returns_ref identifier '('
parameter_list ')'
            return_type backup_doc_comment method_body;

 +  class_member_modifier:
 +      /* empty */
 +    | T_PUBLIC
 +    | T_PROTECTED
 +    | T_PRIVATE
 +    | T_FINAL;


-- 
Edit bug report at https://bugs.php.net/bug.php?id=69980&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=69980&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=69980&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=69980&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=69980&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=69980&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=69980&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=69980&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=69980&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=69980&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=69980&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=69980&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=69980&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=69980&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69980&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=69980&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=69980&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=69980&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=69980&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=69980&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=69980&r=mysqlcfg