<?php

$file = file($argv[1]);
$dateFormat = "M jS, Y g:i:sa";
$ipArray = array();
$beginTime = array();
$endTime = array();
$monthName = array(
	"Jan"=>"1",
	"Feb"=>"2",
	"Mar"=>"3",
	"Apr"=>"4",
	"May"=>"5",
	"Jun"=>"6",
	"Jul"=>"7",
	"Aug"=>"8",
	"Sep"=>"9",
	"Oct"=>"10",
	"Nov"=>"11",
	"Dec"=>"12"
);

foreach($file as $line) {
	$elements = explode(" ", $line);
	$ip = $elements[0];
	$time = substr($elements[3], 1, strlen($elements[3]));
	$elements = explode(":", $time);
	$date = $elements[0];
	$hour = $elements[1]; $minutes = $elements[2]; $seconds = $elements[3];
	$elements = explode("/", $date);
	$day = $elements[0]; $month = $monthName[$elements[1]]; $year = $elements[2];
	$timestamp = mktime($hour, $minutes, $seconds, $month, $day, $year);

	if(array_key_exists($ip, $ipArray)) $ipArray[$ip] += 1; else $ipArray[$ip] = 1;
	if(!array_key_exists($ip, $beginTime)) $beginTime[$ip] = $timestamp;
	$endTime[$ip] = $timestamp;
}


asort($ipArray);

foreach($ipArray as $ip => $count) {
	$perHour = $endTime[$ip] - $beginTime[$ip];
        $perHour = $perHour / 3600;
	$perHour = round($perHour, 2);
	if($perHour == 0) $perHour = ""; else $perHour = round($count / $perHour, 2);
	$begin = date($dateFormat, $beginTime[$ip]);
	$end = date($dateFormat, $endTime[$ip]);
	$ip = processString($ip);
	echo $ip; echo "\tTimes Accessed: ".$count."\tPer Hour: ".$perHour;
	if(strlen($perHour) <= 5) echo "\t";
	echo "\tSeen: ".$begin." -> ".$end."\n";
}

function processString($string) {
        $string = "[ ".$string;
        $length = strlen($string);
        $toAdd = 18 - $length;

        for($x = 0; $x < $toAdd; $x++) {
                $string = $string." ";
        }
        $string = $string."]";
        return $string;
}

?>