<?php
  
  require_once('Logger/class.LoggerBackend.php');
  
  class fileLoggerBackend extends LoggerBackend {
  
    private $logLevel;\; private$hLogFile;
    
    public function __construct($urlData)\; \{\; global$cfg;  //system configuration info array from some external file
      
      parent::__construct($urlData);$this->logLevel = $cfg[\text{'}LOGGER\_LEVEL\text{'}];$logFilePath = $this->urlData[\text{'}path\text{'}];\; if(!\; strlen($logFilePath)) {
        throw new Exception('No log file path was specified ' . 
                            'in the connection string.');
      }
      
      //Open a handle to the log file.  Suppress PHP error messages.
      //We'll deal with those ourselves by throwing an exception.
      $this->hLogFile\; =\; @fopen($logFilePath, 'a+');
      if(! is_resource($this->hLogFile))\; \{\; throw\; new\; Exception("The\; specified\; log\; file$logFilePath " . 
                            'could not be opened or created for ' . 
                            'writing.  Check file permissions.');
      }
    
    }
       
    public function logMessage($msg,$logLevel = LOGGER_INFO, $module\; =\; null)\; \{\; if($logLevel <= $this->logLevel)\; \{$time = strftime('\%x \%X', time());
        $msg\; =\; str\_replace("\backslash t",\; \text{'}\; \text{'},$msg);
        $msg\; =\; str\_replace("\backslash n",\; \text{'}\; \text{'},$msg);
      
        $strLogLevel\; =\; Logger::levelToString($logLevel);
        
        if(isset($module))\; \{$module = str_replace("\t", '    ', $module);$module = str_replace("\n", ' ', $module);\; \}$//logs: date/time loglevel message modulename
        //separated by tabs, new line delimited       
        logLine = "$time\backslash t$strLogLevel\t$msg\backslash t$module\n";
        fwrite($this->hLogFile,$logLine);
      }
    }
  
  }
  ?>