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  1. <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
  2. /**
  3.  * CodeIgniter
  4.  *
  5.  * An open source application development framework for PHP 5.1.6 or newer
  6.  *
  7.  * @package CodeIgniter
  8.  * @author ExpressionEngine Dev Team
  9.  * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
  10.  * @license http://c...content-available-to-author-only...r.com/user_guide/license.html
  11.  * @link http://c...content-available-to-author-only...r.com
  12.  * @since Version 1.0
  13.  * @filesource
  14.  */
  15.  
  16. // ------------------------------------------------------------------------
  17.  
  18. /**
  19.  * Logging Class
  20.  *
  21.  * @package CodeIgniter
  22.  * @subpackage Libraries
  23.  * @category Logging
  24.  * @author ExpressionEngine Dev Team
  25.  * @link http://c...content-available-to-author-only...r.com/user_guide/general/errors.html
  26.  */
  27. class CI_Log {
  28.  
  29. protected $_log_path;
  30. protected $_threshold = 1;
  31. protected $_date_fmt = 'Y-m-d H:i:s';
  32. protected $_enabled = TRUE;
  33. protected $_levels = array('ERROR' => '1', 'DEBUG' => '2', 'INFO' => '3', 'ALL' => '4');
  34.  
  35. /**
  36. * Constructor
  37. */
  38. public function __construct()
  39. {
  40. $config =& get_config();
  41.  
  42. $this->_log_path = ($config['log_path'] != '') ? $config['log_path'] : APPPATH.'logs/';
  43.  
  44. if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path))
  45. {
  46. $this->_enabled = FALSE;
  47. }
  48.  
  49. if (is_numeric($config['log_threshold']))
  50. {
  51. $this->_threshold = $config['log_threshold'];
  52. }
  53.  
  54. if ($config['log_date_format'] != '')
  55. {
  56. $this->_date_fmt = $config['log_date_format'];
  57. }
  58. }
  59.  
  60. // --------------------------------------------------------------------
  61.  
  62. /**
  63. * Write Log File
  64. *
  65. * Generally this function will be called using the global log_message() function
  66. *
  67. * @param string the error level
  68. * @param string the error message
  69. * @param bool whether the error is a native PHP error
  70. * @return bool
  71. */
  72. public function write_log($level = 'error', $msg, $php_error = FALSE)
  73. {
  74. if ($this->_enabled === FALSE)
  75. {
  76. return FALSE;
  77. }
  78.  
  79. $level = strtoupper($level);
  80.  
  81. if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
  82. {
  83. return FALSE;
  84. }
  85.  
  86. $filepath = $this->_log_path.'log-'.date('Y-m-d').'.php';
  87. $message = '';
  88.  
  89. if ( ! file_exists($filepath))
  90. {
  91. $message .= "<"."?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
  92. }
  93.  
  94. if ( ! $fp = @fopen($filepath, FOPEN_WRITE_CREATE))
  95. {
  96. return FALSE;
  97. }
  98.  
  99. $message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt). ' --> '.$msg."\n";
  100.  
  101. flock($fp, LOCK_EX);
  102. fwrite($fp, $message);
  103. flock($fp, LOCK_UN);
  104. fclose($fp);
  105.  
  106. @chmod($filepath, FILE_WRITE_MODE);
  107. return TRUE;
  108. }
  109.  
  110. }
  111. // END Log Class
  112.  
  113. /* End of file Log.php */
  114. /* Location: ./system/libraries/Log.php */
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