From 333f9f98edeb11915c168ea4a05b9b76d64d9576 Mon Sep 17 00:00:00 2001
From: Nithin <admin@nitmedia.com>
Date: Sun, 21 Aug 2011 16:52:06 -0400
Subject: added ability to log certain error types, not all under a threshold

---
 application/config/config.php |  4 ++++
 system/libraries/Log.php      | 21 ++++++++++++++++-----
 user_guide/changelog.html     |  1 +
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/application/config/config.php b/application/config/config.php
index 1ec65435e..7554f994a 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -176,6 +176,10 @@ $config['directory_trigger']	= 'd'; // experimental not currently in use
 |	3 = Informational Messages
 |	4 = All Messages
 |
+| You can also pass in a array with threshold levels to show individual error types
+| 
+| 	array(2) = Debug Messages, without Error Messages
+|
 | For a live site you'll usually only enable Errors (1) to be logged otherwise
 | your log files will fill up very fast.
 |
diff --git a/system/libraries/Log.php b/system/libraries/Log.php
index 9f1db76ba..bf10d4727 100644
--- a/system/libraries/Log.php
+++ b/system/libraries/Log.php
@@ -27,10 +27,12 @@
 class CI_Log {
 
 	protected $_log_path;
-	protected $_threshold	= 1;
-	protected $_date_fmt	= 'Y-m-d H:i:s';
-	protected $_enabled	= TRUE;
-	protected $_levels	= array('ERROR' => '1', 'DEBUG' => '2',  'INFO' => '3', 'ALL' => '4');
+	protected $_threshold		= 1;
+	protected $_threshold_max	= 0;
+	protected $_threshold_array	= array();
+	protected $_date_fmt		= 'Y-m-d H:i:s';
+	protected $_enabled			= TRUE;
+	protected $_levels			= array('ERROR' => '1', 'DEBUG' => '2',  'INFO' => '3', 'ALL' => '4');
 
 	/**
 	 * Constructor
@@ -50,6 +52,11 @@ class CI_Log {
 		{
 			$this->_threshold = $config['log_threshold'];
 		}
+		elseif (is_array($config['log_threshold']))
+		{
+			$this->_threshold = $this->_threshold_max;
+			$this->_threshold_array = array_flip($config['log_threshold']);
+		}
 
 		if ($config['log_date_format'] != '')
 		{
@@ -80,9 +87,13 @@ class CI_Log {
 
 		if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
 		{
-			return FALSE;
+			if (empty($this->_threshold_array) OR ! isset($this->_threshold_array[$this->_levels[$level]]))
+			{
+				return FALSE;
+			}
 		}
 
+
 		$filepath = $this->_log_path.'log-'.date('Y-m-d').'.php';
 		$message  = '';
 
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index bb05f99e1..6b73485e1 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -66,6 +66,7 @@ Change Log
 	<li>General Changes
 		<ul>
 			<li class="reactor">Callback validation rules can now accept parameters like any other validation rule.</li>
+			<li class="reactor">Ability to log certain error types, not all under a threshold.</li>
 		</ul>
 	</li>
 	<li>Helpers
-- 
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