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ICM Web Week 5: PHP Strings

Posted on October 11, 2009 by admin

Heya there team,

So, I am unsure how to call up the last part of an array that I’ve placed in a text file.

The goal is to have the end-user input their zip code and then tell them what the what the temperature is going to be in their city.

I’ve got all the pages in order, per se.

http://davidphillips.us/icmweb/weather.html

which gets processed here:
http://davidphillips.us/icmweb/process_form.php

which goes into this text file:
http://davidphillips.us/icmweb/zipcode_data.txt

and can be seen here:
http://davidphillips.us/icmweb/display_comments.php

How can I get the last zip code to plug into this page:
http://davidphillips.us/icmweb/w5-php.php

Here’s the code:

<?

function myGrabs($stringStart) {
$zipCode = 10010;
$weather_source = “http://weather.yahooapis.com/forecastrss?p=” . $zipCode;
$weather_data = file_get_contents($weather_source);

//        $stringStart = “temp=\”";
$stringEnd = “\”";

$startPos = strpos($weather_data,$stringStart);
$startPos += strlen($stringStart);
$endPos = strpos($weather_data,$stringEnd,$startPos);
$tempString = substr($weather_data,$startPos,$endPos-$startPos);
return($tempString);            //this allows the future calls of the function to nab the result of the function.
}

$myTemp = myGrabs(“temp=\”");
echo(“The weather is currently ” . $myTemp);
$myCity = myGrabs(“city=\”");
echo(“in the lovely and underappreciated city of ” . $myCity . “.”);
?>

So, to sum up, I want to get the last placed array from the text file or from the first page, and plug it into the final page as the $zipCode.

All the pages are pretty in line with the notes code.
Preferrably, this could all be done in 2 steps and not 5 or whatever, but that’s beside the point.

I hope you are all having luck with your pages!

Sincerely,

David

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