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Re: Code Stops Working [message #172397 is a reply to message #172395] Wed, 16 February 2011 14:01 Go to previous messageGo to previous message
sheldonlg is currently offline  sheldonlg
Messages: 166
Registered: September 2010
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Senior Member
On 2/16/2011 8:27 AM, Denis McMahon wrote:
> On 16/02/11 00:36, Mike Copeland wrote:
>
>> My apologies to all: I didn't realize that the PHP source isn't
>> accessible. Here it is (but it's messy due to the tabs, etc.). Hope
>> this helps...
>
> Hi Mike
>
> I reduced your php code to a minimal example, and then made it work:
>
> ----8<----8<----8<-- cut here --8<----8<----8<----
> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
> "http://www.w3.org/TR/html4/strict.dtd">
>
> <html>
> <head>
> <meta http-equiv="Content-Type"
> content="text/html; charset=utf-8">
> <meta name="MSSmartTagsPreventParsing" content="TRUE">
> <title>Form Test</title>
> <!-- provide trim() and
> notifyInvalidInput() functions -->
> <script type="text/javascript">
> function notifyInvalidInput(msg,field) {
> alert(msg);
> field.focus();
> }
> function trim(str) {
> var len = str.length;
> var result = "";
> if (len == 0) return "";
> var first = 0;
> while (str.charAt(first).match(/\s/) != null&&
> first< len) first++;
> var last = len - 1;
> while (str.charAt(last).match(/\s/) != null&&
> last> 0) last--;
> last ++;
> if (last>= first) return str.slice(first,last);
> return "";
> }
> </script>
> <!-- re-written checkInput() function -->
> <script type="text/javascript">
> function checkInput() {
> var runner = document.getElementById("runner");
> if (trim(runner.value) == "") {
> notifyInvalidInput("Name is a required field. "+
> "Please enter your name.", runner);
> return false;
> }
> return true;
> }
> </script>
> </head>
> <body>
>
> <?php
> if(isset($_POST['submit'])) {
> $to = "invalid1(at)example(dot)com,invalid2(at)example(dot)com";
> $from = "From: invalid3(at)example(dot)com";
> $subject = "Website Results Query Submitted";
> $body1 = "Below is the info submitted on the website:
> Name: {$_POST['runner']}";
> $body2 = wordwrap($body1,70);
> $eml_result = mail($to, $subject, $body2, $from);
> if($eml_result) {
> echo "<p>Your info has been submitted. You will be
> contacted in the next couple of days.</p>";
> }
> else {
> $subject = rawurlencode($subject);
> $body2 = rawurlencode($body2);
> $dest = "invalid4(at)example(dot)com";
> $url = "mailto:$dest?subject={$subject}&body={$body2}";
> echo "<p>There was a problem sending your info. Please
> email<a href='{$url}'>{$dest}</a> about your results
> problem.</p>";
> }
> }
> else {
> ?>
>
> <p>Basic Form:</p>
> <form name="ques_form" id="ques_form"
> action="<?php echo $_SERVER['PHP_SELF'] ?>"
> method="post" onsubmit="return checkInput();">
> <table>
> <tr><td>Name:</td><td><input type="text"
> name="runner" id="runner" size="30"></td></tr>
> <tr><td colspan="2" align="center">
> <input type="submit" name="submit" id="submit">
> </td></tr>
> </table>
> </form>
>
> <?php
> }
> ?>
>
> </body>
> </html>
> ----8<----8<----8<-- cut here --8<----8<----8<----
>
> I have made changes to the php, html and javascript.
>
> Note the following points:
>
> 1) In the above, I have used invalidX(at)example(dot)com email addresses, as
> obviously I don't want to publish the email addresses I used for
> testing. You will need to change these.
>
> 2) I had to write my own trim() and notifyInvalidInput() functions as
> these are not art of standard javascript. I have included the ones I
> used here. I presume the ones you referenced were included in the
> document header php file you were including, but I didn't have a copy of
> that.
>
> 3) Your javascript elements used the deprecated "language" attribute and
> were missing the required "type" attribute.
>
> 4) I removed all the css from the example, it just takes up space.
>
> 5) As previously mentioned, form elements called "name" can cause a
> naming conflict with the form attribute "name" - I reassigned the "Name"
> field as "runner". "contestant" might be another good alternative.
>
> 6) I assigned an "id" attribute to the form and input elements, and I
> use the element id and the document.getElementById() method in
> javascript to identify the form field for both testing content and
> setting focus when the field is empty. Note that any specific id may
> only be applied to a single element in an html document.
>
> 7) I use the standard php "mail()" function and not the "email()"
> function that you were using. I assume your "email()" function is
> defined somewhere in the document header php file you were including,
> but I didn't have a copy of that.
>
> 8) I changed the form to use the post method instead of the get method,
> and additionally, to refer to form elements using the $_POST['']
> predefined variable array.
>
> 9) In the fallback message for email failure, I encode the subject and
> body in the url, so that a suitably configured client-side email client
> will, when clicking on the link, automatically fill in the message
> subject and body text as well as the recipient.
>
> 10) I formatted the source to remain reasonably readable even when in
> the restricted width of a news post.
>
> 11) I've put the form validation javascript in the document head. This
> is cosmetic, but it helps make things more readable too.
>
> I suggest that you save the file as something like "form_test.php", edit
> the email addresses, upload to your server, and see if it works. If it
> does, you may need to investigate and understand some of the points I
> mentioned above.
>
> Rgds
>
> Denis McMahon

Wow! It seems you have essentially done 90% of his work for him. When
I have a problem, I hope you are still around :-) .


--
Shelly

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