Bug #70680 [NEW]: JSON_NUMERIC_CHECK does not respect the definition of numbers in RFC4627/7159

From: Date: Fri, 09 Oct 2015 14:48:54 +0000
Subject: Bug #70680 [NEW]: JSON_NUMERIC_CHECK does not respect the definition of numbers in RFC4627/7159
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-196468@lists.php.net to get a copy of this message
From:             maxime dot morin at solumation dot ca
Operating system: Debian
PHP version:      5.4.45
Package:          JSON related
Bug Type:         Bug
Bug description:JSON_NUMERIC_CHECK does not respect the definition of numbers in RFC4627/7159

Description:
------------
According to the JSON specification, a number cannot start with a 0 nor
with a +.

See section 6:
"Leading zeros are not allowed."
"number = [ minus ] int [ frac ] [ exp ]"
http://www.faqs.org/rfcs/rfc7159.html

Therefore, any string starting with a 0 or a + should fail the
JSON_NUMERIC_CHECK and not be cast to an int.

Test script:
---------------
print_r(json_encode(array("shouldBeString0123456" => "0123456",
"shouldBeString+0123456" => "+0123456", "isInt" =>
"123456"),
JSON_NUMERIC_CHECK));

Expected result:
----------------
{
    "shouldBeString0123456":"0123456",
    "shouldBeString+0123456":"+0123456",
    "isInt":123456
}

Actual result:
--------------
{
    "shouldBeString0123456":123456,    // Bad
    "shouldBeString+0123456":123456,   // Bad
    "isInt":123456                     // Good
}

-- 
Edit bug report at https://bugs.php.net/bug.php?id=70680&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=70680&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=70680&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=70680&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=70680&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=70680&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=70680&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=70680&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=70680&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=70680&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=70680&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=70680&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=70680&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=70680&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70680&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=70680&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=70680&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=70680&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=70680&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=70680&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=70680&r=mysqlcfg



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