fix bug #53432 (Assignment via string index access on an empty string converts to array)

From: Date: Tue, 19 Nov 2013 23:47:30 +0000
Subject: fix bug #53432 (Assignment via string index access on an empty string converts to array)
Groups: php.internals 
Request: Send a blank email to internals+get-70213@lists.php.net to get a copy of this message 
Hi all,

This PR seems good fix for 5.6.

https://github.com/php/php-src/pull/463

Test script:
---------------
$a = ''; // empty string
$a[10] = 'a';
echo $a; // "Array"

$b = ' '; // non empty string
$b[10] = 'b';
echo $b; // "          b"

Expected result:
----------------
"          a"
"          b"

Actual result:
--------------
"Array"
"          b"

Current behavior does not make sense.

Regards,

--
Yasuo Ohgaki
yohgaki@ohgaki.net

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