Form Validation

Mr Chris · June 27, 2006

Hi All,

Here’s my script for editing a record in my database:

[code]
<?php

//Connect to DB
include("**********");

if(isset($_GET['story_id']))
{
    $result = mysql_query("Select * From cms_stories where story_id=".$_GET['story_id']);
    $row = mysql_fetch_array($result);
    $section = $row['section'];
    $added_by = $row['added_by'];
    $headline = $row['headline'];
    $byline_name = $row['byline_name'];
    $appeared = $row['appeared'];
    $published = $row['published'];
    $opening = $row['opening'];
    $body_text = $row['body_text'];
    $notes = $row['notes'];
}

if(isset($_POST['Submit']))
{
    $story_id = $_POST['story_id'];
    $section = $_POST['section'];
    $added_by = $_POST['added_by'];
    $headline = $_POST['headline'];
    $byline_name = $_POST['byline_name'];
    $appeared = $_POST['appeared'];
    $published = $_POST['published'];
    $opening = $_POST['opening'];
    $body_text = $_POST['body_text'];
    $notes = $_POST['notes'];

$error="";
       if (empty($section)){
        $error = "** You forgot to enter the section for the story! **<br>";
    }  else if (empty($added_by)){
        $error = "** Error: You forgot to who added the story! **<br>";
    }  else if (empty($headline)){
        $error = "** Error: You forgot to enter a headline for the story! **<br>";
    }  else if (empty($byline_name)){
        $error = "** Error: You forgot to enter a byline name for the story! **<br>";
    }  else if (empty($published)){
        $error = "** Error: You forgot to the date you wish to publish the story! **<br>";
    }  else if (empty($opening)){
        $error = "** Error: You forgot to the Opening Paragraph for the Indexes! **<br>";
    }  else if (empty($body_text)){
        $error = "** Error: You forgot to enter any body text! **<br>";};

if(strlen($error)>0){die($error);};

    $result = mysql_query("Update cms_stories set section='$section', added_by='$added_by', headline='$headline', byline_name='$byline_name', appeared='$appeared', published='$published', opening='$opening', body_text='$body_text', notes='$notes' where story_id=$story_id");
    header('Location: http://www.site.org/site/new_site/stories/confirm_edited_story.php?story_id='.$_POST['story_id']);
}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>test site</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" href="../login/ssheet.css">
<script language="JavaScript" src="scripts/calendar1.js"></script>
<script language="JavaScript" src="scripts/calendar2.js"></script>
<link rel="stylesheet" href="../include/css_table.css">
</head>

<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<FORM ACTION="" METHOD="post" NAME="frmAdd"> <TABLE WIDTH="100%" BORDER="0" ALIGN="center">
<TR> <TD HEIGHT="24"><?php echo $msg?> <INPUT TYPE='hidden' NAME='story_id' VALUE='<?php echo $_GET['story_id']; ?>'/>
</TD></TR> </TABLE><BR> <TABLE WIDTH="100%" BORDER="0"> <TR> <TD WIDTH="12%"><B>Section:
</B></TD><TD WIDTH="88%"> <SELECT NAME="section"> <OPTION><?php echo $section?></OPTION>
<OPTION VALUE="art_and_culture">Art & Culture</OPTION> <OPTION VALUE="business">Business</OPTION>
<OPTION VALUE="clubs_and_societies">Clubs & Societies</OPTION> <OPTION VALUE="information_services">Information
Services</OPTION> <OPTION VALUE="leisure_venues">Leisure Venues</OPTION> <OPTION VALUE="organisation_links">Orgaisation
Links</OPTION> <OPTION VALUE="religion_links">Religion Links</OPTION> <OPTION VALUE="residents_homepages">Residents
Homepages</OPTION> <OPTION VALUE="sports_clubs">Sports Clubs</OPTION> <OPTION VALUE="student_links">Student
Links</OPTION> </SELECT> </TD></TR> <TR> <TD WIDTH="12%"><B>Added by: </B></TD><TD WIDTH="88%">
<INPUT NAME="added_by" TYPE="text" ID="added_by" VALUE="<?php echo $added_by?>" SIZE="50">
</TD></TR><TR><TD WIDTH="12%" HEIGHT="13">Headline</TD><TD WIDTH="88%" HEIGHT="13"><INPUT NAME="headline" TYPE="text" ID="headline" VALUE="<?php echo $headline?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%">Byline
Name </TD><TD WIDTH="88%"><INPUT NAME="byline_name" TYPE="text" ID="byline_name" VALUE="<?php echo $byline_name?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%" HEIGHT="13">Appeared</TD><TD WIDTH="88%" HEIGHT="13"><INPUT NAME="appeared" TYPE="text" ID="appeared" VALUE="<?php echo $appeared?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%">Published</TD><TD WIDTH="88%"><INPUT NAME="published" TYPE="text" ID="published" VALUE="<?php echo $published?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%">Opening</TD><TD WIDTH="88%"><INPUT NAME="opening" TYPE="text" ID="opening" VALUE="<?php echo $opening?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%">body
text </TD><TD WIDTH="88%"><INPUT NAME="body_text" TYPE="text" ID="body_text" VALUE="<?php echo $body_text?>" SIZE="50"></TD></TR><TR><TD WIDTH="12%">Notes</TD><TD WIDTH="88%"><INPUT NAME="notes" TYPE="text" ID="notes" VALUE="<?php echo $notes?>" SIZE="50"></TD></TR>
</TABLE><P> <INPUT TYPE="Submit" NAME="Submit" VALUE="Submit"> <INPUT TYPE="reset" NAME="Reset" VALUE="Clear Story">
</P></FORM><P> <A HREF="edit.php">Back to Links Index</A> <P>
</body>
</html>

[/code]

Now if you kindly go to:

[a href=\"http://www.slougheaz.org/greenock/links/edit_news2.php?story_id=7178\" target=\"_blank\"]http://www.slougheaz.org/greenock/links/ed...p?story_id=7178[/a]

and delete something from any field and hit ‘submit’ a message for my required fields appears on a new screen. But…

The question is how do I get that message to appear on the first page in the variable named $msg IF all the fields are not filled in? IE Not on a new blank screen whilst still retaining the header information if the conditions are met?

Many Thanks

Chris

hackerkts · June 28, 2006

Try to use isset, sorry I didn't really understand what you mean.
And your example page aren't pointing to the correct page after I hit submit.

Zane · June 28, 2006

[code]$error="";
       if (empty($section)){
        $error = "** You forgot to enter the section for the story! **<br>";
    }  else if (empty($added_by)){
        $error = "** Error: You forgot to who added the story! **<br>";
    }  else if (empty($headline)){
        $error = "** Error: You forgot to enter a headline for the story! **<br>";
    }  else if (empty($byline_name)){
        $error = "** Error: You forgot to enter a byline name for the story! **<br>";
    }  else if (empty($published)){
        $error = "** Error: You forgot to the date you wish to publish the story! **<br>";
    }  else if (empty($opening)){
        $error = "** Error: You forgot to the Opening Paragraph for the Indexes! **<br>";
    }  else if (empty($body_text)){
        $error = "** Error: You forgot to enter any body text! **<br>";}; [/code]

[!--quoteo--][div class=\'quotetop\']QUOTE[/div][div class=\'quotemain\'][!--quotec--]how do I get that message to appear...................IF all the fields are not filled[/quote]

don't use else if
just if

and make $error an associative array
like so
[code]
$error = array();
    if (empty($section))
        $error['section'] = "** You forgot to enter the section for the story! **<br>";
    if (empty($added_by))
        $error['added_by'] = "** Error: You forgot to who added the story! **<br>";
    if (empty($headline))
        $error['headline'] = "** Error: You forgot to enter a headline for the story! **<br>";
    if (empty($byline_name))
        $error['byline_name'] = "** Error: You forgot to enter a byline name for the story! **<br>";
    [/code]

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