Bug #72019 [NEW]: stdin fgets substr

From: Date: Wed, 13 Apr 2016 17:05:03 +0000
Subject: Bug #72019 [NEW]: stdin fgets substr
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-200531@lists.php.net to get a copy of this message
From:             k6dg at outlook dot com
Operating system: windows7
PHP version:      7.0.5
Package:          CGI/CLI related
Bug Type:         Bug
Bug description:stdin fgets substr 

Description:
------------
it only appear in the ZTS version.

use php://stdin get a line with '\n'.
use substr cutoff last char and return it.

use php://stdout print the return value, and print something else.
the return value can not be seen.


Test script:
---------------
function stdin () {
	$stdin = fopen('php://stdin','r');
	$text = fgets($stdin); // This
	fclose($stdin);
	return substr($text, 0, -1); // and This couse the problem
}

function stdout(string $data) {
	$stdout = fopen('php://stdout','a');
	$length = fwrite($stdout, $data);
	fclose($stdout);
	// $length = file_put_contents ('php://stdout', $data, FILE_APPEND);
	return $length;
}
stdout(stdin());
stdout('hello');

Expected result:
----------------
input:
12

output:
hello

Actual result:
--------------
input:
12

output:
12hello

-- 
Edit bug report at https://bugs.php.net/bug.php?id=72019&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=72019&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=72019&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=72019&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=72019&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=72019&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=72019&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=72019&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=72019&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=72019&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=72019&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=72019&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=72019&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=72019&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72019&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=72019&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=72019&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=72019&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=72019&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=72019&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=72019&r=mysqlcfg



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