Error Logging Class

[ShawnK]

Just seeing what you all think about this class. It is so a programmer could just throw out a command and it would either display an error, or display an error then die(), AND log that error at the same time:

<?php

/**
 * @author: Shawn Kurtz
 * @email: shawnkurtz[at]gmail.com
 * @copyright: 2008
 * @project: Error Logging Class
 * @filename: index.php 
 * @edited: 12/2/2008 @ 20:22
 */

class error_logger
{
	private $err_file;
	private $err_prefix = "<b>Error:&nbsp;</b>";
	private $err_suffix = "";

public function __construct($f_err_file)
{
	if(!file_exists($f_err_file))
	{
		$f_create = file_put_contents($f_err_file, "");
		if(!f_create)
		{
			$this->err("Cannnot Create the Error File:". $f_err_file ."!", true);
		}
	}
	$this->err_file = $f_err_file;
}

public function err($f_err_text, $f_log = TRUE)
{
	if($f_log)
	{
		$this->log_err($f_err_text, date('l, \t\h\e jS \of F Y \@ h:i:s A'), $_SERVER['PHP_SELF']);	
	}
	echo $this->err_prefix.$f_err_text.$this->err_suffix;
}

public function err_die($f_err_text, $f_log = TRUE)
{
	if($f_log)
	{
		$this->log_err($f_err_text, date('l, \t\h\e jS \of F Y \@ h:i:s A'), $_SERVER['PHP_SELF']);	
	}
	die($this->err_prefix.$f_err_text.$this->err_suffix);
}

private function log_err($f_err_text, $f_time, $f_page)
{
	$f_log_line[] = "Error Time: ". $f_time ."\r\n";
	$f_log_line[] = "Error File: ". $f_page ."\r\n";
	$f_log_line[] = "Error Text: ". $f_err_text ."\r\n";
	$f_log_line[] = "-----\r\n\r\n";
	foreach($f_log_line as $f_log_line)
	{
		$f_write = file_put_contents($this->err_file, $f_log_line, FILE_APPEND);
		if(!f_write)
		{
			$this->err_die("Cannot Write to Error Log: ". $this->err_file ."!", FALSE);	
		}
	}
}

public function clear_log($f_delete = FALSE)
{
	if($f_delete)
	{
		$f_delete = unlink($this->err_file);
		if(!$f_delete)
		{
			$this->err("Could Not Delete Log File!");
		}
	}
	else
	{
		$f_clear = file_put_contents($this->err_file, "");
		if(!f_clear)
		{
			$this->err("Could Not Clear The Log File!");	
		}
	}
}
}

$error = new error_logger("err.log");
// $error->clear_log();
// $error->clear_log(TRUE);

?>

It would be used something like this:

$errors = new error_logging("errors.log");
if($username !== $real_username)
{
     $errors->err($username ." is not a valid user!");
}

[Weedpacket]

You could also register this as an error handler so that it can log PHP errors.

[ShawnK]

Right now its for logging what I called "dumb-ass" errors, that what I can see what people are doing wrong...alot and change it.

Any tips on the current script, or a good non-php manual tutorial on logging php errors?