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Request #44889 T_OPEN_TAG doesn't match <?php without any trailing characters
Submitted: 2008-05-02 07:18 UTC Modified: 2015-02-23 09:58 UTC
Votes:2
Avg. Score:4.0 ± 1.0
Reproduced:1 of 2 (50.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: mikec at resnet dot net dot nz Assigned: jpauli (profile)
Status: Closed Package: *General Issues
PHP Version: 5.3CVS-2008-05-02 (snap) OS: *
Private report: No CVE-ID: None
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 [2008-05-02 07:18 UTC] mikec at resnet dot net dot nz 
Description:
------------
First noticed when including a file containing only "<?php", without a trailing new line character. I expected this would output nothing, but instead it outputted "<?php" to the browser.

This only occurs with 'short_open_tag' set to 'off', when set to 'on' including the same file outputs nothing, as expected.

The tokenizer expects a character after the long open tag, I suggest that this be extended to check for the end of the input too.


Reproduce code:
---------------
var_dump(ini_get('short_open_tag'));
print_r(token_get_all('<?php'));
print_r(token_get_all('<?'));

Expected result:
----------------
string(0) ""
Array
(
    [0] => Array
        (
            [0] => 368
            [1] => <?php
            [2] => 1
        )

)
Array
(
    [0] => Array
        (
            [0] => 311
            [1] => <?
            [2] => 1
        )

)

Actual result:
--------------
string(0) ""
Array
(
    [0] => Array
        (
            [0] => 311
            [1] => <?
            [2] => 1
        )

    [1] => Array
        (
            [0] => 311
            [1] => php
            [2] => 1
        )

)
Array
(
    [0] => Array
        (
            [0] => 311
            [1] => <?
            [2] => 1
        )

)

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 [2008-05-02 07:29 UTC] mikec at resnet dot net dot nz 
First Seen On:
  PHP Version 5.2.5 on Fedora Core 6

Reproduced on (and actual/expected results from):
  PHP 5.3.0-dev (cli) (built: May  2 2008 00:17:56)
  Copyright (c) 1997-2008 The PHP Group
  Zend Engine v2.3.0, Copyright (c) 1998-2008 Zend Technologies

  From snaps: php5.3-win32-200805020430.zip
  Running on Windows Vista 32bit
 [2010-09-02 06:44 UTC] daniel at danielnorton dot com 
The descriptions of the behavior is different from what I see. With 
'short_open_tag' set to 'On', I get this error:

PHP Parse error:  parse error in min.php on line 1

I get the same behavior when 'short_open_tag' is set to 'Off'.

PHP 5.3.0 (cli) (built: Jun 29 2009 21:25:23)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies
 [2015-01-09 01:16 UTC] ajf@php.net 
Can't reproduce for PHP 5.6:

$ php
<?php
var_dump(ini_get('short_open_tag'));
print_r(token_get_all('<?php'));
print_r(token_get_all('<?'));
string(0) ""
Array
(
    [0] => Array
        (
            [0] => 314
            [1] => <?php
            [2] => 1
        )

)
Array
(
    [0] => Array
        (
            [0] => 314
            [1] => <?
            [2] => 1
        )

)

oa-res-26-240:~ ajf$ php -v
PHP 5.6.3 (cli) (built: Nov 18 2014 15:15:01) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2014 Zend Technologies
 [2015-02-23 09:58 UTC] jpauli@php.net
-Status: Open +Status: Closed -Package: Feature/Change Request +Package: *General Issues -Assigned To: +Assigned To: jpauli
 [2015-02-23 09:58 UTC] jpauli@php.net 
Thank you for your bug report. This issue has already been fixed
in the latest released version of PHP, which you can download at 
http://www.php.net/downloads.php

This can't be reproduced on latest 5.5 nor 5.6.
closing
 
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