PHP Error Logs

Hi dears,

Anybody knows how to log wordpress php errors into another file other than the Apache error log file? I put in the config file:
// log php errors
@ini_set(‘log_errors’,1);
@ini_set(‘display_errors’,0);
@ini_set(‘error_log’,’/home/sn-php-errors.log’);
@ini_set( ‘error_reporting’, E_ALL ^ E_NOTICE );

but still the errors written to the apache error.log file not sn-php-errors.log!

Did I miss something?

Thanks
Hope