Checking in the original version of KLogger, found at: http://codefur…

…y.net/projects/klogger/

README.markdown

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+# KLogger: A Simple Logging Class For PHP
+
+A project written by Kenny Katzgrau and originally hosted at (CodeFury.net)[http://codefury.net)
+
+## Documentation
+
+For the documentation to this release, check out: http://codefury.net/projects/klogger/

src/KLogger.php

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+<?php
+	
+	/* Finally, A light, permissions-checking logging class. 
+	 * 
+	 * Author	: Kenneth Katzgrau < katzgrau@gmail.com >
+	 * Date	: July 26, 2008
+	 * Comments	: Originally written for use with wpSearch
+	 * Website	: http://codefury.net
+	 * Version	: 1.0
+	 *
+	 * Usage: 
+	 *		$log = new KLogger ( "log.txt" , KLogger::INFO );
+	 *		$log->LogInfo("Returned a million search results");	//Prints to the log file
+	 *		$log->LogFATAL("Oh dear.");				//Prints to the log file
+	 *		$log->LogDebug("x = 5");					//Prints nothing due to priority setting
+	*/
+	
+	class KLogger
+	{
+		
+		const DEBUG 	= 1;	// Most Verbose
+		const INFO 		= 2;	// ...
+		const WARN 		= 3;	// ...
+		const ERROR 	= 4;	// ...
+		const FATAL 	= 5;	// Least Verbose
+		const OFF 		= 6;	// Nothing at all.
+		
+		const LOG_OPEN 		= 1;
+		const OPEN_FAILED 	= 2;
+		const LOG_CLOSED 	= 3;
+		
+		/* Public members: Not so much of an example of encapsulation, but that's okay. */
+		public $Log_Status 	= KLogger::LOG_CLOSED;
+		public $DateFormat	= "Y-m-d G:i:s";
+		public $MessageQueue;
+	
+		private $log_file;
+		private $priority = KLogger::INFO;
+		
+		private $file_handle;
+		
+		public function __construct( $filepath , $priority )
+		{
+			if ( $priority == KLogger::OFF ) return;
+			
+			$this->log_file = $filepath;
+			$this->MessageQueue = array();
+			$this->priority = $priority;
+			
+			if ( file_exists( $this->log_file ) )
+			{
+				if ( !is_writable($this->log_file) )
+				{
+					$this->Log_Status = KLogger::OPEN_FAILED;
+					$this->MessageQueue[] = "The file exists, but could not be opened for writing. Check that appropriate permissions have been set.";
+					return;
+				}
+			}
+			
+			if ( $this->file_handle = fopen( $this->log_file , "a" ) )
+			{
+				$this->Log_Status = KLogger::LOG_OPEN;
+				$this->MessageQueue[] = "The log file was opened successfully.";
+			}
+			else
+			{
+				$this->Log_Status = KLogger::OPEN_FAILED;
+				$this->MessageQueue[] = "The file could not be opened. Check permissions.";
+			}
+			
+			return;
+		}
+		
+		public function __destruct()
+		{
+			if ( $this->file_handle )
+				fclose( $this->file_handle );
+		}
+		
+		public function LogInfo($line)
+		{
+			$this->Log( $line , KLogger::INFO );
+		}
+		
+		public function LogDebug($line)
+		{
+			$this->Log( $line , KLogger::DEBUG );
+		}
+		
+		public function LogWarn($line)
+		{
+			$this->Log( $line , KLogger::WARN );	
+		}
+		
+		public function LogError($line)
+		{
+			$this->Log( $line , KLogger::ERROR );		
+		}
+
+		public function LogFatal($line)
+		{
+			$this->Log( $line , KLogger::FATAL );
+		}
+		
+		public function Log($line, $priority)
+		{
+			if ( $this->priority <= $priority )
+			{
+				$status = $this->getTimeLine( $priority );
+				$this->WriteFreeFormLine ( "$status $line \n" );
+			}
+		}
+		
+		public function WriteFreeFormLine( $line )
+		{
+			if ( $this->Log_Status == KLogger::LOG_OPEN && $this->priority != KLogger::OFF )
+			{
+			    if (fwrite( $this->file_handle , $line ) === false) {
+			        $this->MessageQueue[] = "The file could not be written to. Check that appropriate permissions have been set.";
+			    }
+			}
+		}
+		
+		private function getTimeLine( $level )
+		{
+			$time = date( $this->DateFormat );
+		
+			switch( $level )
+			{
+				case KLogger::INFO:
+					return "$time - INFO  -->";
+				case KLogger::WARN:
+					return "$time - WARN  -->";				
+				case KLogger::DEBUG:
+					return "$time - DEBUG -->";				
+				case KLogger::ERROR:
+					return "$time - ERROR -->";
+				case KLogger::FATAL:
+					return "$time - FATAL -->";
+				default:
+					return "$time - LOG   -->";
+			}
+		}
+		
+	}
+
+
+?>