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Bug #32066 display_errors=off also suppresses output from php -l
Submitted: 2005-02-22 16:07 UTC Modified: 2005-03-14 14:55 UTC
From: marcus at synchromedia dot co dot uk Assigned:
Status: Not a bug Package: PHP options/info functions
PHP Version: 5.0.3 OS: RedHat Enterprise Linux 3
Private report: No CVE-ID: None
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 [2005-02-22 16:07 UTC] marcus at synchromedia dot co dot uk 
Description:
------------
In php5, if php.ini contains a display_errors=off 
directive, it also suppresses error details from 'php 
-l' on a command line. I guess this could be a 
deliberate change in pHP5, but it is really not very 
helpful as php -l will only ever be run by developers.

This is in contrast to php4, which always shows errors 
from php -l, even if display_errors is off.

Reproduce code:
---------------
execute this script (containing a deliberate error) using php -l on a command line with display_errors turned off

<?php
print trim('hello';
?>

Expected result:
----------------
Parse error: parse error, unexpected ';' in /home/
username/error.php on line 2

Actual result:
--------------
no output is generated at all.

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 [2005-02-23 19:32 UTC] iliaa@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

Error display ini setting affects all error reporting.
 [2005-03-14 14:55 UTC] marcus at synchromedia dot co dot uk 
You say:

> Error display ini setting affects all error reporting.

That's just not true. It may be that the behaviour has 
changed in PHP5 (in which case it should be documented 
here: http://www.php.net/manual/en/
ref.errorfunc.php#ini.display-errors), 
but in PHP4 having display_errors=off does NOT suppress 
error messages from php -l. It's very easy to reproduce 
in PHP4: 
The output from 'php -i|grep display_errors' is:

display_errors => Off => Off

and yet php -l on the example I gave produces:

PHP Parse error:  parse error, unexpected ';' in 
test.php on line 2
Errors parsing test.php

Under PHP5 it does NOT work this way - the behaviour HAS 
changed to the behaviour you said.

If what you said is MEANT to be true, then this bug 
should be closed, rephrased as 'display_errors=off does 
not 
suppress output from php -l' and re-reported as a PHP4 
bug - it's got to be a bug one way or the other. 
Personally I'd like php-l to ignore the display_errors 
setting, just as it does in PHP4, which is why I 
reported the discrepancy in the first place.
 
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