[PHP-BUG] Bug #71301 [NEW]: substr function behavior changed not documented
[email protected] ("jacky at xsteach dot com")
| Newsgroups | php.standards |
|---|---|
| Message-ID | <[email protected]> |
From: jacky at xsteach dot com
Operating system: MacOSX 10.11.2
PHP version: 7.0.1
Package: PHP Language Specification
Bug Type: Bug
Bug description:substr function behavior changed not documented
Description:
------------
The behavior of substr function have been changed on php 7, but not
mention on the document.
Test script:
---------------
<?php
$s = substr('str',3);
var_dump($s);
// result on php 5.x
// bool(false)
// result on php 7
// string(0) ""
Expected result:
----------------
have the same result
Actual result:
--------------
the return type not compatible.
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Edit bug report at https://bugs.php.net/bug.php?id=71301&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71301&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71301&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71301&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=71301&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=71301&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=71301&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=71301&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=71301&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=71301&r=support
Expected behavior: https://bugs.php.net/fix.php?id=71301&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=71301&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=71301&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=71301&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71301&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=71301&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=71301&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=71301&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=71301&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=71301&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=71301&r=mysqlcfg