0000681: The recording of headers is broken in 2.1.1

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Date Submitted

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0000681

Xdebug

Usage problems

public

2011-04-15 01:52

2011-09-19 22:17

Reporter

sergey.shymko

Assigned To

derick

Priority

normal

Severity

major

Reproducibility

always

Status

resolved

Resolution

no change required

Platform

OS Version

Product Version

Target Version

Fixed in Version

Summary

0000681: The recording of headers is broken in 2.1.1

Description

Xdebug 2.1.0beta1 introduced a feature of "the recording of headers being set in scripts".

Prior to Xdebug 2.1.1 it suppressed "headers already sent" PHP warning and recorded all headers even if output occur in scripts (at least in CLI mode).

Starting from Xdebug 2.1.1 it no longer prevents getting "headers already sent" PHP warning.

Actually, we were using this feature of Xdebug to be able to test headers with PHPUnit. And it was very helpful.

What are you going to decide to be an expected behavior?

Steps To Reproduce

# prepare sample PHP script (test.php):
<?php

error_reporting(-1);

echo '!!!';

header('Content-Type: text/plain');

# enable Xdebug 2.1.0 in php.ini

# run sample script from the command line:
>php -f test.php
!!!

# enable Xdebug 2.1.1 in php.ini

# run sample script from the command line:
>php -f test.php
!!!PHP Warning: Cannot modify header information - headers already sent by (output started at test.php:3) in test.php on line 5
PHP Stack trace:
PHP 1. {main}() test.php:0
PHP 2. header() test.php:5

Warning: Cannot modify header information - headers already sent by (output started at test.php:3) in test.php on line 5

Call Stack:
0.0016 323272 1. {main}() test.php:0
0.0020 323384 2. header() test.php:5

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Operating System

PHP Version

5.3.5

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Notes
(0001793) jweber (reporter) 2011-08-23 01:28	I just noticed this change, after upgrading from 2.1.0 to 2.1.1. A simple test is: <?php echo " "; var_dump(headers_sent()); ?> It prints " true" if xdebug is off, or xdebug 2.1.1 is on. And it prints " false" if xdebug 2.1.0 is on. It would be nice to have an option to preserve this behavior in future versions of xdebug.

(0001795) sergey.shymko (reporter) 2011-08-29 21:26	Actually, if to investigate and think more deeply, the behavior of the latest xDebug versions seems to be correct, extension should not affect the language behavior. So, it's not a bug.

(0001802) derick (administrator) 2011-09-19 22:17	Indeed Sergey, it was broken in Xdebug 2.1.0 really.

Issue History
Date Modified	Username	Field	Change
2011-04-15 01:52	sergey.shymko	New Issue
2011-08-23 01:28	jweber	Note Added: 0001793
2011-08-29 21:26	sergey.shymko	Note Added: 0001795
2011-09-19 22:17	derick	Note Added: 0001802
2011-09-19 22:17	derick	Status	new => resolved
2011-09-19 22:17	derick	Resolution	open => no change required
2011-09-19 22:17	derick	Assigned To	=> derick