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Posted by Animesh K on 02/01/08 21:22
Jerry Stuckle wrote:
> Jezza wrote:
>> Hi
>>
>> I wonder if anyone can help me out. I am a newby and have bought "PHP5
>> in easy steps" to work through. One project is to have an email form
>> and responder built into one page. The form simply asks for a
>> username, email address and comment. It validates to make sure all
>> fields are filled in, checks the integrity of the email address and
>> then posts it off.
>>
>> I have copied the code from the book exactly & even checked &
>> re-checked the code. Desperately I even scanned the code in via OCR in
>> case I missed something. When I run the php script the resulting web
>> page is blank. Looking at the HTML page source, that is also blank (no
>> <html>, <body> etc. tags). I suspect the code to be sound and that
>> this problem is more to do with something within the php.ini file.
>>
>> I do have PHP files that run fine
>>
>> I am running Apache 2.2 server with PHP version 4.3.2 & here is the code:
>>
>>
>> <html><head><title>Combined Feedback Form</title></head>
>> <body> <?php #assign form values when applicable
>>
>>
>>
>> $username = $_POST['username'];
>> $useraddr = $_POST['useraddr'];
>> $comments = $_POST['comments'];
>> $sent = $_POST['sent'];
>>
>>
>> #the HTML form that can be written dynamically
>>
>> $form ="<form action=\"$_SERVER[`PHP_SELF`]\" method=\"post\">";
>> $form.="Name:<input type=\"text\" name=\"username\"";
>> $form.=" size=\"30\" value=\"$username\" > <br> <br>";
>> $form.="Email:<input type=\"text\" name=\"useraddr\"";
>> $form.=" size=\"30\" value=\"$useraddr\"> <br> <br>";
>> $form.="Comments:<textarea name=\"comments\" ";
>> $form.="cols=\"30\" rows=\"5\">$comments</textarea>";
>> $form.="<br> <input type=\"submit\" name=\"sent\" ";
>> $form. = "value=\"Send Form\"></form>" ;
>>
>>
>> #execute this code if the form has been submitted once
>> if($sent)
>> { $valid=true; #set variable default value
>>
>> #check username field is not blank
>> if( !$username )
>> { $errmsg.="Enter your name:<br>"; $valid = false; }
>>
>> #check email useraddr field is not blank
>> if ( !$useraddr )
>> { $errmsg. =" Enter email address : <br>" ; $valid=false; }
>> #check comments field is not blank
>> if ( !$comments )
>> { $errmsg. = "Enter your comments : <br>" ; $valid=false; }
>> }
>>
>> if( !$useraddr )
>> { $errmsg .="Enter email address:<br>"; $valid = false; }
>> else ;
>> {
>> $useraddr = trim( $useraddr );
>> #patterns for name,domain and top-level domains
>> $_name = "/^[-!#$%&\'*+\\.\/0-9=?A-Z^_'{|}-]+";
>> $_host = " ( [-0-9A-Z]+\.)+";
>> $_tlds = "([0-9A-Z]){2,4}$/i";
>> #check validity of email format
>> if( !preg_match($_name."@".$_host.$_tlds,$useraddr) )
>> {
>> $errmsg .= "Email address has incorrect format!<br>"; $valid = false; }
>> }
>>
>> #if invalid write the error message/s and the form
>>
>> if ( $valid != true )
>> { echo ( $errmsg . $form ) ; }
>>
>> else #if the form is valid send the email
>>
>> { $to = "jo@test.co.uk";
>> $re = "Feedback from $username" ;
>> $msg = $comments;
>> $headers = "From: $useraddr \r\n" ;
>> if ( mail ( $to, $re, $msg, $headers ) )
>> { echo ("Thanks for your comments, $username" ) ; }
>> }
>> ?>
>>
>> </body></html>
>>
>> ---
>>
>> Many thanks
>>
>> Regards
>>
>> Jeremy
>>
>
> Jeremy,
>
> I didn't check all of your code, but to start, your line:
>
> $form ="<form action=\"$_SERVER[`PHP_SELF`]\" method=\"post\">";
>
> uses back tickeys (`) instead of single quotes ('). Hard to see, I know.
>
I use single quotes and it works fine on a Linux hosting service with
Php5.0
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