timdp/tweet_rhythm.php

## tweet_rhythm.php
<?php

// Plots a user's tweet rhythm using Google Chart Tools
// Limited to about 3200 tweets by the Twitter API
// Hacked together by @tmdpw on 2012-05-30

if (count($argv) != 3) {
	die("Usage: php $argv[0] USERNAME FILENAME");
}

$user = $argv[1];
$outfile = $argv[2];
$scale = 60;

$stat = array();
$total_tweets = 0;

echo "Fetching tweets ...";

$url = 'http://api.twitter.com/1/statuses/user_timeline.json?'
	. http_build_query(
		array('screen_name' => $user, 'include_rts' => 1, 'count' => 200));
$json_str = get_url($url);
$data = json_decode($json_str);
while (count($data)) {
	foreach ($data as $tweet) {
		$time = strtotime($tweet->created_at);
		$stat[floor($time / $scale)]++;
		$total_tweets++;
	}
	echo " $total_tweets ...";
	$next = minus_one($data[count($data) - 1]->id);
	$json_str = get_url("$url&max_id=$next");
	$data = json_decode($json_str);
}

echo " Done.", PHP_EOL;

echo "Writing chart to $outfile ...", PHP_EOL;

$fh = fopen($outfile, 'w');
if ($fh === false) {
	die("Failed to open $outfile");
}
$title = "Tweet rhythm: @$user";
$html = <<<HERE
<html>
<head>
<title>$title</title>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(function() {
		var data = google.visualization.arrayToDataTable(
HERE;
fwrite($fh, $html);

$chart_data = array(array('Time', 'Tweets'));
$times = array_keys($stat);
sort($times, SORT_NUMERIC);
$time = $times[0];
$max_time = $times[count($times) - 1];
$total = 0;
while ($time <= $max_time) {
	if (array_key_exists($time, $stat)) {
		$total += $stat[$time];
	}
	$chart_data[] = array(date('Y-m-d H:i:s', $time * $scale), $total);
	$time += $scale;
}
fwrite($fh, json_encode($chart_data));

$html = <<<HERE
);
		var options = {
			title: "$title",
			legend: {
				position: "none"
			}
		};
		var chart = new google.visualization.LineChart(
			document.getElementById('chart_div'));
		chart.draw(data, options);
	});
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</body>
</html>
HERE;
fwrite($fh, $html);
fclose($fh);

echo "Done.", PHP_EOL;

function get_url($url) {
	if (extension_loaded('curl')) {
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		$data = curl_exec($ch);
		$result = curl_getinfo($ch, CURLINFO_HTTP_CODE) == 200
			? $data : false;
		curl_close($ch);
	} else {
		$result = file_get_contents($url);
	}
	if ($result === false) {
		die("Failed to load $url");
	}
	return $result;
}

function minus_one($num) {
	$num = number_format($num, 0, '', '');
	$pos = strlen($num) - 1;
	while ($pos >= 0 && $num[$pos] == '0') {
		$pos--;
	}
	return $pos < 0
		? -1
		: substr($num, 0, $pos)
			. ($num[$pos] - 1)
			. str_repeat('9', strlen($num) - $pos - 1);
}
	<?php

	// Plots a user's tweet rhythm using Google Chart Tools
	// Limited to about 3200 tweets by the Twitter API
	// Hacked together by @tmdpw on 2012-05-30

	if (count($argv) != 3) {
	die("Usage: php $argv[0] USERNAME FILENAME");
	}

	$user = $argv[1];
	$outfile = $argv[2];
	$scale = 60;

	$stat = array();
	$total_tweets = 0;

	echo "Fetching tweets ...";

	$url = 'http://api.twitter.com/1/statuses/user_timeline.json?'
	. http_build_query(
	array('screen_name' => $user, 'include_rts' => 1, 'count' => 200));
	$json_str = get_url($url);
	$data = json_decode($json_str);
	while (count($data)) {
	foreach ($data as $tweet) {
	$time = strtotime($tweet->created_at);
	$stat[floor($time / $scale)]++;
	$total_tweets++;
	}
	echo " $total_tweets ...";
	$next = minus_one($data[count($data) - 1]->id);
	$json_str = get_url("$url&max_id=$next");
	$data = json_decode($json_str);
	}

	echo " Done.", PHP_EOL;

	echo "Writing chart to $outfile ...", PHP_EOL;

	$fh = fopen($outfile, 'w');
	if ($fh === false) {
	die("Failed to open $outfile");
	}
	$title = "Tweet rhythm: @$user";
	$html = <<<HERE
	<html>
	<head>
	<title>$title</title>
	<script type="text/javascript" src="https://www.google.com/jsapi"></script>
	<script type="text/javascript">
	google.load("visualization", "1", {packages:["corechart"]});
	google.setOnLoadCallback(function() {
	var data = google.visualization.arrayToDataTable(
	HERE;
	fwrite($fh, $html);

	$chart_data = array(array('Time', 'Tweets'));
	$times = array_keys($stat);
	sort($times, SORT_NUMERIC);
	$time = $times[0];
	$max_time = $times[count($times) - 1];
	$total = 0;
	while ($time <= $max_time) {
	if (array_key_exists($time, $stat)) {
	$total += $stat[$time];
	}
	$chart_data[] = array(date('Y-m-d H:i:s', $time * $scale), $total);
	$time += $scale;
	}
	fwrite($fh, json_encode($chart_data));

	$html = <<<HERE
	);
	var options = {
	title: "$title",
	legend: {
	position: "none"
	}
	};
	var chart = new google.visualization.LineChart(
	document.getElementById('chart_div'));
	chart.draw(data, options);
	});
	</script>
	</head>
	<body>
	<div id="chart_div" style="width: 900px; height: 500px;"></div>
	</body>
	</html>
	HERE;
	fwrite($fh, $html);
	fclose($fh);

	echo "Done.", PHP_EOL;

	function get_url($url) {
	if (extension_loaded('curl')) {
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	$data = curl_exec($ch);
	$result = curl_getinfo($ch, CURLINFO_HTTP_CODE) == 200
	? $data : false;
	curl_close($ch);
	} else {
	$result = file_get_contents($url);
	}
	if ($result === false) {
	die("Failed to load $url");
	}
	return $result;
	}

	function minus_one($num) {
	$num = number_format($num, 0, '', '');
	$pos = strlen($num) - 1;
	while ($pos >= 0 && $num[$pos] == '0') {
	$pos--;
	}
	return $pos < 0
	? -1
	: substr($num, 0, $pos)
	. ($num[$pos] - 1)
	. str_repeat('9', strlen($num) - $pos - 1);
	}