laquerhead Posted June 2, 2009 Share Posted June 2, 2009 Hi, I'm new to PHP and I'm trying to create a simple math game which utilizes an html form to pass on the user's answer to a php script that checks that answer. Here is what I have thus far: game.php: <!-DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3c.org/TR/xhtml1/DTD/xhtml1-TRansitional.dTD"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>PHP Practice</title> </head> <body> <?php function getRand(){ return rand(1,13); } $lhs=getRand(); $rhs=getRand(); ?> <form action="welcome.php?lhs=$lhs&rhs=$rhs" method="get"> <label value="<?php $lhs;?>" /> <label value="<?php $rhs;?>" /> <input type="text" name="answer" /> <input type="submit" value="Check Answer" /> </form> </body> </html> check.php <?php $lhs = $_GET['lhs']; $rhs = $_GET['rhs']; $correct_answer = $lhs * $rhs; if( $_GET['answer'] == $correct_answer ) echo "Correct!"; else echo "Incorrect. " . $lhs . " X " . $rhs . " = " . $correct_answer; ?> Of course it's not working. I know I'm probably way off and that the value="<?php ... thing won't work like I'm used to in asp pages. Your help/guidance is most apprectiated! Thank You in advance Quote Link to comment Share on other sites More sharing options...
Alex Posted June 2, 2009 Share Posted June 2, 2009 echo the variable within the value. Quote Link to comment Share on other sites More sharing options...
Maq Posted June 2, 2009 Share Posted June 2, 2009 - Please surround your code with tags. - You need to echo out the var. (the form action should be fine) i.e. - Also, what exactly doesn't work? What happens? Errors? Quote Link to comment Share on other sites More sharing options...
ldougherty Posted June 2, 2009 Share Posted June 2, 2009 This should work.. <?php function getRand(){ return rand(1,13); } $lhs=getRand(); $rhs=getRand(); echo "<form action='check.php' method='GET'>"; echo "<input type='hidden' name='lhs' value='$lhs'>"; echo "<input type='hidden' name='rhs' value='$rhs'>"; echo "$lhs * $rhs = "; echo "<input type='text' size='5' name='answer'>"; echo "<input type='submit' value='Check Answer'>"; echo "</form>"; ?> Quote Link to comment Share on other sites More sharing options...
laquerhead Posted June 2, 2009 Author Share Posted June 2, 2009 Thank you kindly! That works perfectly. One question, is the "echo" method you used the preferred/standard way to accomplish this? I don't want to come off as being unappreciative, it just seems like a bit of a hack to me... Quote Link to comment Share on other sites More sharing options...
Alex Posted June 2, 2009 Share Posted June 2, 2009 It's not a hack. It's the 'correct' way. 'echo' just means that it's outputting it to the browser. Quote Link to comment Share on other sites More sharing options...
Ken2k7 Posted June 2, 2009 Share Posted June 2, 2009 If you don't like echo, then just do this - <?php function getRand(){ return rand(1,13); } $lhs=getRand(); $rhs=getRand(); ?> <form action='check.php' method='GET'> <input type='hidden' name='lhs' value='<?php echo $lhs; ?>'> <input type='hidden' name='rhs' value='<?php echo $rhs; ?>'> <?php echo "$lhs * $rhs = "; ?> <input type='text' size='5' name='answer'> <input type='submit' value='Check Answer'> </form> Quote Link to comment Share on other sites More sharing options...
Alex Posted June 3, 2009 Share Posted June 3, 2009 If you don't like echo, then just do this - <?php function getRand(){ return rand(1,13); } $lhs=getRand(); $rhs=getRand(); ?> <form action='check.php' method='GET'> <input type='hidden' name='lhs' value='<?php echo $lhs; ?>'> <input type='hidden' name='rhs' value='<?php echo $rhs; ?>'> <?php echo "$lhs * $rhs = "; ?> <input type='text' size='5' name='answer'> <input type='submit' value='Check Answer'> </form> That's what he was doing originally, just forgetting the 'echo'. That's what I thought he meant. Quote Link to comment Share on other sites More sharing options...
laquerhead Posted June 3, 2009 Author Share Posted June 3, 2009 It's not a hack. It's the 'correct' way. 'echo' just means that it's outputting it to the browser. Thank you all. Everything's working great! Quote Link to comment Share on other sites More sharing options...
Maq Posted June 3, 2009 Share Posted June 3, 2009 It's all rendered as HTML by the browser in the end, it doesn't matter if you just put in raw HTML or echo it out. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.