jimjimalabim Posted March 20, 2011 Share Posted March 20, 2011 ok people sorry but its late, and I'm tired and I can't figure this out maybe I just need a break? I'm getting some warnings here, first here is my code: <?php echo"<?xml version=\1.0\"encoding=\UFT-8\"\x3f>"; echo"\n"; ?> <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtmll/DTD/xhtmll-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"lang="en"> <head> <title>Assignment 7: Making Space, Part 3</title> <meta name="author" content="Jim Cozzy"/> </head> <body> <h1> Assignment 7: Making Space, Part 3 </h1> <?php echo "<h2>Today is ".date('l, F d, Y')."</h2>"; ?> <?php //calculate the area of an equilateral triangle function calcTriangle($cVal) { $halfSide = $cVal/2; $otherSide = sqrt(($cVal*$cVal) - ($halfSide*$halfSide)); $areaValue = $otherSide * $halfSide; echo "<p>The area of an equilateral triangle whose sides are {$cVal} is {$areaValue}.</p>\n"; } $yeah = (isset($_POST['vfld']))?$_POST['vfld']:''; if (isset($_POST['submit'])) { if ($_POST['submit'] == "Clear") { $yeah = ""; } elseif ($_POST['submit'] == "Calculate") { if (!eregi(square|circle|triangle, $yeah)) { echo "<p>Sorry I forgot to mention the the shape needs to be a Square, Circle, or a Triangle.</p>". "<p>Please return and try again.</p>"; exit; } }} ?> <form method="post" action="makingspace3.php" id="form1" name=form1"> <p> Write down a shape and a number and I will compute the area for: <input type="text" id="vfld" name="vfld" value="<?php echo $yeah; ?>"/> </p> <p> After you have done this click calcualte to see results </p> <p> <input type="submit" name="submit" value="Calculate" /> <input type="submit" name="submit" value="Clear" /> </p> </form> <div id="footer"> <pre>This page written by: <cite>James Cozzy</cite> ©2011 and beyond</pre> </div> </body> </html> so when I enter something wrong into my form like ggggg I want it to print an error which it does, but it also says what am I missing???? Notice: Use of undefined constant square - assumed 'square' in /studfs1/homepage/CISS-225/makingspace3.php on line 49 Notice: Use of undefined constant circle - assumed 'circle' in /studfs1/homepage/CISS-225/makingspace3.php on line 49 Notice: Use of undefined constant triangle - assumed 'triangle' in /studfs1/homepage/CISS-225/makingspace3.php on line 49 Quote Link to comment Share on other sites More sharing options...
trq Posted March 20, 2011 Share Posted March 20, 2011 Firstly, eregi is deprecated you should use preg_match instead. Secondly, the first argument to eregi (and preg_match) is a string, strings are surrounded by quotes in PHP. Quote Link to comment Share on other sites More sharing options...
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