[jira] Resolved: (LOG4PHP-117) LoggerConfiguratorIni::configure() and unexptected results from error_get_last()

["Ivan Habunek (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4PHP-117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Habunek resolved LOG4PHP-117.
----------------------------------

    Resolution: Fixed

> LoggerConfiguratorIni::configure() and unexptected results from error_get_last()
> --------------------------------------------------------------------------------
>
>                 Key: LOG4PHP-117
>                 URL: https://issues.apache.org/jira/browse/LOG4PHP-117
>             Project: Log4php
>          Issue Type: Bug
>          Components: Code
>    Affects Versions: 2.0
>            Reporter: Maciej Mazur
>             Fix For: 2.1
>
>         Attachments: error_get_last_patch, error_get_last_patch_v2
>
>
> This apply to src/main/php/configurators/LoggerConfiguratorIni.php
> If you invoke LoggerConfiguratorIni::configure() after there was any notice or warning in your PHP script, then LoggerConfiguratorIni will throw an exception even if there is no need (propably terminating execution)
> 284	        public function configure(LoggerHierarchy $hierarchy, $url = '') {
> 285	                $properties = @parse_ini_file($url);
> 286	                if ($properties === false || count($properties) == 0) {
> 287	                        $error = error_get_last();
> 288	                    throw new LoggerException("LoggerConfiguratorIni: ".$error['message']);
> 289	                }
> 290	                return $this->doConfigureProperties($properties, $hierarchy);
> 291	        }
> In line 287 it is checked if there was any error triggered by function parse_ini_file(). Unfortunately function error_get_last() doesn't return an error triggered by execution of the last function. It returnes an error that is most recent in global, even if it was already catched and taken care of. This is because there is no way to reset the state of the last error. It returns always the last triggered error. (http://www.php.net/manual/en/function.error-get-last.php#83608)
> I attached the patch that "solves" this by triggering an empty error before parse_ini_file(), and the it is checked if the error has an empty message:
>         public function configure(LoggerHierarchy $hierarchy, $url = '') {
>                 @trigger_error('');
>                 $properties = @parse_ini_file($url);
>                 if ($properties === false || count($properties) == 0) {
>                         $error = error_get_last();
>                         if ($error['message'] != '') {
>                                 throw new LoggerException("LoggerConfiguratorIni: ".$error['message']);
>                         }
>                 }
>                 return $this->doConfigureProperties($properties, $hierarchy);
>         }
> This not very pretty but it works

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