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Bug #41114 String concat operator and function param
Submitted: 2007-04-17 10:43 UTC Modified: 2007-04-18 06:07 UTC
From: danishzahoor at gmail dot com Assigned:
Status: Not a bug Package: Program Execution
PHP Version: 4.4.6 OS: Linux
Private report: No CVE-ID: None
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 [2007-04-17 10:43 UTC] danishzahoor at gmail dot com 
Description:
------------
Anything string that comes after concat operator will be concaticated in string param of include_once function.

Reproduce code:
---------------
<?php

	print "Including file from lib first<BR>";
	echo "result = " . include_once("lib/file.php") . "<BR>";
	test1();

	function test1()
	{
		print "Including file from lib inside function.<BR>";
		print "result = " . include_once("lib/file.php") . "<BR>";
	}
	
?>

Actual result:
--------------
PHP 4
=====
Including file from lib first

Warning: main(lib/file.php
): failed to open stream: No such file or directory in /var/www/www.mobiletest.com/htdocs/html/php.samnan/php5_tests/test_include_once.php on line 4

Warning: main(): Failed opening 'lib/file.php<BR>' for inclusion (include_path='.:/usr/local/php/lib/php') in /var/www/www.mobiletest.com/htdocs/html/php.samnan/php5_tests/test_include_once.php on line 4
result = Including file from lib inside function.

Warning: test1(lib/file.php
): failed to open stream: No such file or directory in /var/www/www.mobiletest.com/htdocs/html/php.samnan/php5_tests/test_include_once.php on line 10

Warning: test1(): Failed opening 'lib/file.php<BR>' for inclusion (include_path='.:/usr/local/php/lib/php') in /var/www/www.mobiletest.com/htdocs/html/php.samnan/php5_tests/test_include_once.php on line 10
result = 

PHP 5
=====
Including file from lib first

Warning: include_once(lib/file.php<BR>) [function.include-once]: failed to open stream: No such file or directory in /var/webuser/php.samnan/temp/test_include_once.php on line 4

Warning: include_once() [function.include]: Failed opening 'lib/file.php<BR>' for inclusion (include_path='./:/usr/local/php/lib/php') in /var/webuser/php.samnan/temp/test_include_once.php on line 4
result = Including file from lib inside function.

Warning: include_once(lib/file.php<BR>) [function.include-once]: failed to open stream: No such file or directory in /var/webuser/php.samnan/temp/test_include_once.php on line 10

Warning: include_once() [function.include]: Failed opening 'lib/file.php<BR>' for inclusion (include_path='./:/usr/local/php/lib/php') in /var/webuser/php.samnan/temp/test_include_once.php on line 10
result =

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 [2007-04-17 20:03 UTC] moron at industrial dot org 
include_once is *not* a function so you cannot use it in the way you are attempting to.  The brackets are optional so you are really just telling PHP:

include_once "lib/file.php" . "<BR>";

i.e. concatenate the stuff at the right then include the contents of the named file.

That said, the parser should probably raise an error since technically your code is malformed due to the bracket in the middle.

So if there is any bug, it is the parser not complaining about the syntax error.

Cheers
 [2007-04-18 06:07 UTC] derick@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

(And there is no parse error as the < is part of a string)
 
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