[PHP-BUG] Bug #70908 [NEW]: function name must be string

From:             hebxiaojb at 163 dot com
Operating system: CentOS
PHP version:      7.0.0RC7
Package:          PHP Language Specification
Bug Type:         Bug
Bug description:function name must be string

Description:
------------
PHP Notice:  Array to string conversion in /data/x.php on line 11
PHP Notice:  Undefined property: x::$Array in /data/x.php on line 11
PHP Fatal error:  Uncaught Error: Function name must be a string in
/data/x.php:11
Stack trace:
#0 {main}
  thrown in /data/x.php on line 11

Test script:
---------------
<?php
class x {
    function x() {
    }
    function common() {
    }
}

$x = new x();
$arr = ['x', 'common'];
$x->$arr[1]();

Actual result:
--------------
PHP Notice:  Array to string conversion in /data/x.php on line 11
PHP Notice:  Undefined property: x::$Array in /data/x.php on line 11
PHP Fatal error:  Uncaught Error: Function name must be a string in
/data/x.php:11
Stack trace:
#0 {main}
  thrown in /data/x.php on line 11

-- 
Edit bug report at https://bugs.php.net/bug.php?id=70908&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=70908&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=70908&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=70908&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=70908&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=70908&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=70908&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=70908&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=70908&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=70908&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=70908&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=70908&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=70908&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=70908&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70908&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=70908&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=70908&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=70908&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=70908&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=70908&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=70908&r=mysqlcfg