The ProgrammersTalk Community
Forum Register Search Today's Posts Mark Forums Read
Register

Go Back   The ProgrammersTalk Community > Web Programming > PHP


Welcome to the The ProgrammersTalk Community forums.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us.
Reply
 
LinkBack Thread Tools    Display Modes   
  #1 (permalink)  
Old 01-25-2008, 06:48 PM
MrPickle's Avatar
MrPickle MrPickle is offline
PT Admin
Join Date: Nov 2007
Location: England, Lincolnshire
Posts: 332
iTrader: (0)
MrPickle is a jewel in the roughMrPickle is a jewel in the roughMrPickle is a jewel in the rough
String to answer?

I have a string, it's an equation, but I'm not sure how to get it to work out.

I have everything else working except the actual working out

All I need is to know how to make it work out the answer to the sum, I already have it working so that when you press the equals buttons it updates.

__________________

Digg this Post! Del.Icio.Us this Post! Technorati this Post! Furl this Post! Mister Wong this Post! Newsvine this Post! Spurl this Post! Reddit this Post! Netscape this Post!
Reply With Quote
  #2 (permalink)  
Old 01-25-2008, 06:50 PM
HelloWorld's Avatar
HelloWorld HelloWorld is offline
PT Admin
Awards Showcase
Quality Tutorial 
Total Awards: 1
Join Date: Jun 2007
Location: In front of computer...
Posts: 1,122
iTrader: (0)
HelloWorld is a jewel in the roughHelloWorld is a jewel in the roughHelloWorld is a jewel in the rough
Could you share the code and explain more on what do you want to do with the equation?

You could make an equation to form a function...

__________________
PHP Code:
System.out.println("Hello World!"); 

Digg this Post! Del.Icio.Us this Post! Technorati this Post! Furl this Post! Mister Wong this Post! Newsvine this Post! Spurl this Post! Reddit this Post! Netscape this Post!
Reply With Quote
  #3 (permalink)  
Old 01-25-2008, 06:53 PM
MrPickle's Avatar
MrPickle MrPickle is offline
PT Admin
Join Date: Nov 2007
Location: England, Lincolnshire
Posts: 332
iTrader: (0)
MrPickle is a jewel in the roughMrPickle is a jewel in the roughMrPickle is a jewel in the rough
Button to open it nicely

HTML Code:
<html> <body> <input type=\"button\" value=\"Calculator\" onClick=\"window.open('calculator.php','calculator','width=170,height=180')\"> </body> </html>
Calculator.php
PHP Code:
<html>
<head>
<script type="text/javascript">
function setAnswerValue(number){
    obj = document.getElementsByName("answer")[0];
    value = obj.value;
    if(number == "CLR")
        obj.value = "";
    else if(number == "DEL")
        obj.value = lastvalue;
    else
        obj.value = value + number;
        
    lastvalue = value;
}
</script>
</head>
<body bgcolor="#CCCCCC">
<form action="calculator.php" type="get">
<?php
function doSum($sum){
    return 
$sum;
}
echo 
"<input type='text' name='answer' size='21' readonly='readonly' value='" doSum($_GET["answer"]) . "'></br>";
$width 38;
$height 25;
echo 
"<input type='button' value='CLR' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
echo 
"<input type='button' value='DEL' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
echo 
"<input type='button' value='(' style='width:" $width/"px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
echo 
"<input type='button' value=')' style='width:" $width/"px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
echo 
"<input type='button' value='.' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
for(
$i=1$i<10$i++){
        echo 
"<input type='button' value='" $i "' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
    if(
$i == 3)
        echo 
"<input type='button' value='+' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'></br>";
    else if(
$i == 6)
        echo 
"<input type='button' value='-' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'></br>";
    else if(
$i == 9)
        echo 
"<input type='button' value='÷' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'></br>";
    }
echo 
"<input type='submit' value='=' style='width:" $width*"px;height:" $height "px'>";
echo 
"<input type='button' value='0' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'>";
echo 
"<input type='button' value='×' style='width:" $width "px;height:" $height "px' onClick='setAnswerValue(this.value)'></br></form>";
?>

<center><form><input type="button" value="Close Window" onClick="window.close()"></form></center>

</html>
</body>
I need the function doSum

__________________

Digg this Post! Del.Icio.Us this Post! Technorati this Post! Furl this Post! Mister Wong this Post! Newsvine this Post! Spurl this Post! Reddit this Post! Netscape this Post!

Last edited by MrPickle : 01-26-2008 at 03:02 AM.
Reply With Quote
  #4 (permalink)  
Old 01-26-2008, 05:50 PM
TeraTask's Avatar
TeraTask TeraTask is offline
PT Admin
Awards Showcase
Quality Tutorial Quality Tutorial Quality Tutorial 
Total Awards: 3
Join Date: Jun 2007
Location: Reno, NV
Posts: 442
iTrader: (0)
TeraTask is a splendid one to beholdTeraTask is a splendid one to beholdTeraTask is a splendid one to beholdTeraTask is a splendid one to beholdTeraTask is a splendid one to beholdTeraTask is a splendid one to behold
Try this:
PHP Code:
function doSum($sum){
    
$sum preg_replace('/[^0-9\+\-\×\÷]/','',$sum);
    return eval(
'return '.str_replace('×','*',str_replace('÷','/',$_GET["answer"])).';');


__________________
Jeremy Miller
Content Farmer - Optimized Automated Blog Posting

Digg this Post! Del.Icio.Us this Post! Technorati this Post! Furl this Post! Mister Wong this Post! Newsvine this Post! Spurl this Post! Reddit this Post! Netscape this Post!
Reply With Quote
The Following User Says Thank You to TeraTask For This Useful Post:
MrPickle (01-27-2008)
  #5 (permalink)  
Old 01-27-2008, 06:33 AM
MrPickle's Avatar
MrPickle MrPickle is offline
PT Admin
Join Date: Nov 2007
Location: England, Lincolnshire
Posts: 332
iTrader: (0)
MrPickle is a jewel in the roughMrPickle is a jewel in the roughMrPickle is a jewel in the rough
Thank you so much Tera , works a charm.

My first project complete

__________________

Digg this Post! Del.Icio.Us this Post! Technorati this Post! Furl this Post! Mister Wong this Post! Newsvine this Post! Spurl this Post! Reddit this Post! Netscape this Post!
Reply With Quote
Reply


Thread Tools
Display Modes

   Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 07:32 PM. Powered by vBulletin
Copyright © 2000 - 2007, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO © 2007 ProgrammersTalk Sedo - Buy and Sell Domain Names and Websites project info: programmerstalk.net Statistics for project programmerstalk.net etracker® web controlling instead of log file analysis


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50