<?php

class Logger {
  var $_fp = null;
  var $_file;

  function Logger($file) {
    $this->_file = $file;
  }

  function write($str) {
    $this->logOpen();
    fwrite($this->_fp,date('[Y-m-d H:i:s]').' ['.$_SERVER['REMOTE_ADDR'].'] '.$str."\n");
    $this->logClose();
  }

  function logOpen() {
    if ($this->_fp == null) {
      $this->_fp = fopen($this->_file,'a');
    }
  }

  function logClose() {
    if ($this->_fp != null) {
      fclose($this->_fp);
    }
  }
}

?>