Networks & Transactions 1 | Assignments / Assignment2Ken

Online version: http://ernie.art.yale.edu/~kenmeier/inmylifetime

Source code:

<html>

<head>

<title>Then+Now</title>

<style type="text/css">

body {
margin: 25px 0px 0px 35px;
padding: 0px 0px 0px 0px;
text-align: left;
color: #444;
background: #fff url(blue.gif) repeat-x;
font: 10px georgia, times new roman, serif;
line-height: 18px;
width: 800px;
}

hr {
border: 0;
ÊÊ width: 80%;
color: #cc0000;
height: 2px;
}

table, td {
color: #bbb;
font: 9px georgia, times new roman, serif;
}

h1 {
color: #444;
font: 21px georgia, times new roman, serif;
line-height: 24px;
}

h2 {
color: #444;
font: 9px georgia, times new roman, serif;
}

h3 {
color: #444;
font: 9px georgia, times new roman, serif;
letter-spacing: 2px;
text-transform: uppercase;
font-weight: bold;
}

h4 {
color: #444;
font: 18px georgia, times new roman, serif;
line-height: 28px;
}

h5 {
color: #444;
font: 48px georgia, times new roman, serif;
line-height: 6px;
}

A:link {
color: #cc0000;
text-decoration: none;
}

A:visited {
color: #cc0000;
text-decoration: none;
}

A:active {
color: #cc0000;
text-decoration: none;
}

A:hover {
color: #ff2a00;
border-bottom: 1px #ff2a00 solid;
}

form {
margin: 0;
padding: 0;
}

</style>

</head>

<body>



<?php

// U S E R I N P U T

$age = $_REQUEST["age"];
$zip = $_REQUEST["zip"];

// W E A T H E R D A T A

// Load feed
$xmlContents = file_get_contents("http://xml.weather.yahoo.com/forecastrss?p=06103");
$xmlContents = str_replace("yweather:", "", $xmlContents);
$xmlContents = str_replace("geo:", "", $xmlContents);

// Load into SimpleXML
$xml = simplexml_load_string($xmlContents);

// Load specific data into variables

// <channel> node contains some of the info
$channel = $xml->channel;

// Location name: only the attributes are meaningful
$location = $channel->location;
$city = $location["city"]; // e.g. "New Haven"
$region = $location["region"]; // e.g. "CT"
$country = $location["country"]; // e.g. "US"

// Units info: only the attributes are meaningful
$units = $channel->units;
$tempUnits = $units["temperature"]; // e.g. "F"
$distanceUnits = $units["distance"]; // e.g. "mi"
$pressureUnits = $units["pressure"]; // e.g. "in"
$speedUnits = $units["speed"]; // e.g. "mph"

// Wind data: only the attributes are meaningful
$wind = $channel->wind;
$windChill = $wind["chill"]; // e.g. "57"
$windDir = $wind["direction"]; // e.g. "350"
$windSpeed = $wind["speed"]; // e.g. "7"

// Atmosphere data: only the attributes are meaningful
$atmosphere = $channel->atmosphere;
$humidity = $atmosphere["humidity"]; // e.g. "93";
$visibility = $atmosphere["visibility"]; // e.g. "1609";
$pressure = $atmosphere["pressure"]; // e.g. "30.12";
$rising = $atmosphere["rising"]; // e.g. "0";

// Astronomy data: only the attributes are meaningful
$astronomy = $channel->astronomy;
$sunrise = $astronomy["sunrise"]; // e.g. "7:02 am";
$sunset = $astronomy["sunset"]; // e.g. "4:51 pm";

// <item> node is within the <channel> node, contains additional info
$item = $channel->item;

$lat = $item->lat; // Latitude, e.g. "37.39"
$long = $item->long; // Longitude, e.g. "122.03"

// Condition data: only the attributes are meaningful
$condition = $item->condition;
$conditionText = $condition["text"]; // e.g. "Mostly Cloudy" (corresponds to code below)
$conditionCode = $condition["code"]; // e.g. "26" (47 possibilities)
$temp = $condition["temp"]; // e.g. 57
$date = $condition["date"]; // e.g. Tue, 29 Nov 2005 3:56 pm PST

// <yweather:forecast> nodes are within the item nodes, one per each forecasted day. So this will be an array.
$forecasts = $item->forecast;

// Display forecast

for ($forecastNum = 0; $forecastNum < count($forecasts); $forecastNum++) {

$thisForecast = $forecasts[$forecastNum];

$forecastDay = $thisForecast["day"];
$forecastDate = $thisForecast["date"];
$forecastLow = $thisForecast["low"];
$forecastHigh = $thisForecast["high"];
$forecastConditionText = strtolower($thisForecast["text"]);
$forecastConditionCode = $thisForecast["code"];

$forecastAvg = (($forecastHigh + $forecastLow) / 2);
$forecastMean = intval($forecastAvg);

echo "<h4>It is currently $temp° on ";
echo date('l, F d');
echo ".<br/>";
// echo "</b>        ";
// echo "Weather Forecast for ";
// echo "<b>$city, $region</b>";
// echo "        ";
echo "Expect conditions to be $forecastConditionText and around $forecastMean° on average.</h4>";
// echo "        ";
// echo "<font color=#cc0000>High</font> $forecastHigh°";
// echo "High $forecastHigh°<br/>";
// echo "   ";
// echo "<font color=#3399ff>Low</font> $forecastLow°</h4>";
// echo "Low $forecastLow°</h4>";

}

// How to figure out today's month and day

$todayDay = intval(date("j"));
$todayMonth = intval(date("n"));

// How to read a file line by line (without loading the whole thing into memory first):

// Open the text file
$file = fopen("myfile.txt", "r");

echo "<h3><br/>Mean Temperatures On This Date</h3>";

// Make sure the file opened successfully
if ($file) {

// Repeat the following as long as we haven't reached the end of the file
while (!feof($file)) {

// Load one line (always the next line of the file) into a string
$thisLine = fgets($file);

// echo $thisLine;

// Divide the line (a string) into its comma-separated columns (an array)
$thisLineColumns = explode(",", $thisLine);

// Assign the columns to more meaningful variable names
$thisYear = intval($thisLineColumns[3]);
$thisMonth = intval($thisLineColumns[4]);
$thisDay = intval($thisLineColumns[5]);
$thisTmax = intval($thisLineColumns[6]);
$thisTmin = intval($thisLineColumns[7]);
$thisTmean = intval($thisLineColumns[9]);

// See if this line matches today's month and day
if (($thisDay == $todayDay) and ($thisMonth == $todayMonth)) {

// Eventually draw a bar or something, for now just display the data
echo "$thisYear: $thisTmean    ";

}

}

// We are here because we've reached the end of the file (feof returned true). Close the file.
fclose($file);

}

?>



<?php

// C L I M A T E F E E D

$xmlContents = file_get_contents("http://news.google.com/news?hl=en&ned=us&q=weather+global+warming+climate+change&ie=UTF-8&output=rss");
$xml = simplexml_load_string($xmlContents);
$channel = $xml->channel;

echo "<h3><br/><br/>Current Weather News</h3>";

foreach ($channel->item as $item) {
$link = $item->link;
$description = $item->description;
$title = $item->title;
$title = str_replace(" - ", " <font color=#bbb></a> &rsaquo;  ", $title);
$title .= "</font>";
echo "<a href=" . $link . ">" . $title . "</a><br/>";
}

?>

<br/><br/><br/><br/>

</body>

</html>

From Networks & Transactions 1

Assignments: Assignment2Ken