Log4PHP causes odd errors in the underlying application if used with source
having an existing __autoload function
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Key: LOG4PHP-129
URL: https://issues.apache.org/jira/browse/LOG4PHP-129
Project: Log4php
Issue Type: Bug
Components: Code
Affects Versions: 2.0
Environment: Ubuntu & Apache
Reporter: James Brown
According to the PHP documentation (see
http://us.php.net/manual/en/function.spl-autoload-register.php): "If your code
has an existing __autoload function then this function must be explicitly
registered on the __autoload stack. This is because spl_autoload_register()
will effectively replace the engine cache for the __autoload function by either
spl_autoload() or spl_autoload_call()."
I was attempting to introduce Log4PHP into an existing project that already had
an __autoload function defined. As soon as I included Logger.php, I started
getting errors from other components. These were confusing at first because
the error was "Class 'Smarty' not found in ...". It turns out this was due to
the previous __autoload function being overwritten by the call to
spl_autoload_register in Logger.PHP.
I suggest a simple fix. Add the following two lines to Logger.php around line
31 (just before the call to spl_autoload_register(array('Logger',
'autoload'));). That fixed the problem in my particular application.
if (function_exists('__autoload'))
spl_autoload_register('__autoload');
At the very least, this is an easy fix for anyone having this problem w/
Log4PHP. They can simply put these lines just prior to the require of
Logger.php and it will fix the problem. If Log4PHP is not going to include
this code, please at least put a note in the documentation so that people using
Log4PHP know what they need to do to solve the problem.
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