Web on your Mobile

techitout · 6th October 2005, 06:38 AM

To learn how to write for a mobile and to try out my concept, I have launched “Edufacts – Educational facts on your Mobile” www.edufacts.info

Anybody out there looking at XHTML on your Mobile

I have a problem with a Pearl script. In “Maths” my “Imperial to Metric Converter” works on a PC but not on my mobile (Sharp gx15). It displays the answer as a zero. Some of the code.

number is length to convert.
$FORM{$name} = $value;
$convert = ”FORM{‘from’}.to.$FORM{‘to’};
%multiplier = (“FeettoMetres” =>”0.3048”,);

$answer = ($FORM{‘number’} * ($multiplier{$convert});
print (“${answer}”);

I think it has to do with the answer being in the wrong format “Boolean”. How do I alter my code? The other INPUTS all print OK.

My “Web Design” pages look at some problems with screen and font sizes. My original research data is a MS Word.doc, many blanks. The “Font Properties” is set up to demonstrate how each “font element” behaves on real phones.

All comments and additional data welcomed. I will make it available to all. Does anybody know what Character set should be used when using XHTML on mobiles and what is the correct DTD
On my PC pages, I take the Character set out of the first line and include it in a META tag. Also you cannot put any spaces in front of <?xml ver….> It puts IE browsers into “Quirk Mode”

Tony Bell
editor@
www.edufacts.info
www.dtscan.com
www.techitoutuk.com

**Mr. Tech** · 6th October 2005, 09:33 AM

I think i know the problem... It's in this peice of code:

$answer = ($FORM{‘number’} * ($multiplier{$convert});

You need to remvoe the extrac open bracket which is infront of $multiplier{$convert}. Try that and see if it works...

techitout · 7th October 2005, 09:36 AM

Thanks for reply. I went back to original code and found I had left off a bracket before the *. It still does not work. should be:-

$answer = ($FORM{‘number’}) * ($multiplier{$convert});

**Mr. Tech** · 7th October 2005, 09:41 AM

What about the ‘number’? Shouldn't it be 'number'?

I'm not all that good with Perl so I'm just pointing out the erros that would occur in PHP

techitout · 8th October 2005, 10:20 AM

Thanks for the reply.
I wrote my first simple php program to calculate the area of a circle.
It does not work on my phone server.
Tried it with sucess on another server, it works on my PC but gives an error 405 Method not allowed on my phone (Sharp gx15).

<?php

$radius = $_POST['radius'];
$area = 3.142 * $radius * $radius;

print "<html><head><title>Area Conversion on your Mobile</title></head>\n";
print "<body>Area of circle with Radius of $radius is\n";
print "<hr />";
print "$area";
print "<hr />\n";
print "<a href=\"http://www.edufacts/calculator/area.html\">Back to the Calculator</a>\n";
print "</body></html>";

?>

Found at www.edufacts.info/calculator/area.html

Tony

**Mr. Tech** · 8th October 2005, 04:52 PM

Gives me a 405 on my PC. There is absolutely nothing wrong with your PHP. Don't know if this will fix it but try replacing:

$area = 3.142 * $radius * $radius;

With:

$area = 3.142 * $radius;
$area = $area * $radius;

Maybe it doens't like the two stars (*)...

techitout · 4th November 2005, 02:08 AM

POST does not work on Mobiles.
This code now works on Mobiles. Tony Bell

<?php

$diarad = $_GET['diarad'];
$length = $_GET['length'];

if (empty($diarad))
{
print "<html><head><title>Area Conversion on your Mobile</title></head>";
print "<body>Please select a Diameter or Radius<hr />";
print "Use your Back Button</a>";
print "</body></html>";
}

if ($diarad == 1)
{
$lengthr = $length/2;
$aread = 3.142 * $lengthr * $lengthr;
$aread = number_format($aread, 3);

print "<html><head><title>Area Conversion on your Mobile</title></head>\n";
print "<body>Area of circle with Diameter of $length is\n";
print "<hr />";
print "$aread";
print "<hr />\n";
print "Use your Back Button\n";
print "</body></html>";
}

if ($diarad == 2)

{
$arear = 3.142 * $length * $length;
$arear = number_format($arear, 3);

print "<html><head><title>Area Conversion on your Mobile</title></head>\n";
print "<body>Area of circle with Radius of $length is\n";
print "<hr />";
print "$arear";
print "<hr />\n";
print "Use your Back button\n";
print "</body></html>";
}

?>

**Mr. Tech** · 4th November 2005, 08:54 AM

There you go. Who would have thought that was the case. Nice work on figuring that one out