td_debug_log.php

function td_debug_log($sMsg = NULL) {
	if (!is_string($sMsg)) $sMsg = print_r($sMsg, true);
	$sFile = dirname(__FILE__) . '/~log.txt';
	$fh = fopen($sFile, 'a+');
	if ($fh !== FALSE)
	{
		if ($sMsg === NULL)
			fwrite($fh, date("\r\nY-m-d H:I:s:\r\n"));
		else
			fwrite($fh, date('Y-m-d H:i:s - ') . $sMsg . "\r\n");
		fclose($fh);
	}
}