Multiple if statments.

[JamieThompson]

Right I have a bit of a dilema. Well for me anways.

Im currently creating a system but im having difficulties. Im making a sign up forum. It only has 4 fields.
Im trying to once sumbited (to the same page) It checks to see if they are all filled in. So im using if (!isset($_POST['username'])) This works fine and dandy. But at the top of my docuement I want to run a query on my database on the condition that
username,fname,lname,email, an eregi email pattern are all filled in aproprealey.
So basicly whats the best way to create a big if statment?

This is what im basing most of my code on at the moment. (its for a style sheet here)

<?php
if (isset ($_POST['submit'])) {
	if (empty ($_POST['username'])){echo (".username{color: #FF0000;}\n");};
	if (empty ($_POST['fname'])) {echo (".fname{color: #FF0000;}\n");};
	if (empty ($_POST['lname'])) {echo (".lname{color: #FF0000;}\n");};
	if (empty ($_POST['email'])) {echo (".email{color: #FF0000;}\n");} 
		elseif (!eregi(".+@.+\..+",$_POST['email'])) {echo (".email{color: #FF0000;}\n");};
		};
?>

Any help apriciated thanks.

ill sketch out what i mean

if ( username && fname && Lname && email && Email pattern) {check my database for duplicates}

Thanks.

Edit:
Would this work?

<?php
	if (isset ($_POST['submit'])) {
 		if (  

			(!empty ($_POST['username']) && (!empty ($_POST['lname'])) && (!empty ($_POST['email'])) && (eregi(".+@.+\..+",$_POST['email'])) 
		{echo ("Sql");};
	};?>

[kidgeek_dfw]

how about a function check

function checkField($fieldName,$fieldPost) {

global $connection;

$sql = "SELECT $fieldName WHERE $fieldName = '$fieldPost'";
$result = @mysql_query($sql,$connection) or die("Couldn't execute query login.");
$row = @mysql_fetch_array($result);
$num = mysql_numrows($result);

if ($num != 0) {
    return true;
} else {
    return false;
}

}

#check it

checkField("username",$_POST['username']);

you get the idea, add whatever you want to the function...
personally I use a dreamweaver extension plugin to do an onsubmit check from yaromat.com

but its better to write it in like your doing...

actually its better to use both...

[JamieThompson]

Yeah that will come in very handy when I code my sql Thanks. BUT
I only want to do the sql if all the fields are submitted and it passed the email check.
so if they pass all them checks it then checks in the database for dupes.
Thanks again.
Jamie xx

[JamieThompson]

//Whoops double post.
Im haveing big difficulty with this for some reason. Advanced MySQL not a problem. Basic PHP a pain in the behind.

Now Im trying this code.

<?php 
 if (isset ($_POST['sumbit'])) {
 		if(!empty($_POST['username'])) && (!empty ($_POST['fname']))
		{  print ('Working?'); } );
	};
?>

All my other if statments with the same code work. Just not this one, the only differance is im using && Basicly Im wanting. if submitted and username has a value and fname has a value im going to call a function. But its not even pringing out working.

Anyone have any ideas where im going wrong. Apriciated thanks.

[rincewind456]

Your snippet has a few syntax errors, this

if (isset ($_POST['sumbit'])) {
        if(!empty($_POST['username']) && (!empty ($_POST['fname'])) );
          print ('Working?');
    }

should work, however I would check that

$_POST['sumbit']

is correctly spelt.

[JamieThompson]

rincewind456 wrote:

Your snippet has a few syntax errors, this

if (isset ($_POST['sumbit'])) {
        if(!empty($_POST['username']) && (!empty ($_POST['fname'])) );
          print ('Working?');
    }

should work, however I would check that

$_POST['sumbit']

is correctly spelt.

Hehe, its right in my document just wrong in my post. I typed it here as I was testing it. I was trying evrything.

Plus the code dident work. 🙁

I have made a small change I added braces, after the orional dident work. But this fails also.

  <?php
  /* NOT WORKING */
   if (isset ($_POST['submit'])) { 
        if(!empty($_POST['username']) && (!empty ($_POST['fname'])) ) {
          print ('Working?'); }
    }; 
	  /* NOT WORKING */
	  ?>

Here is my FULL code.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Register User</title>
<style type="text/css">
<!--
body,td,th {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #FFFFFF;
	font-weight: bold;
}
body {
	background-color: #CCCC33;
}
<?php
if (isset ($_POST['submit'])) {
	if (empty ($_POST['username'])){echo (".username{color: #FF0000;}\n");};
	if (empty ($_POST['fname'])) {echo (".fname{color: #FF0000;}\n");};
	if (empty ($_POST['lname'])) {echo (".lname{color: #FF0000;}\n");};
	if (empty ($_POST['email'])) {echo (".email{color: #FF0000;}\n");} 
		elseif (!eregi(".+@.+\..+",$_POST['email'])) {echo (".email{color: #FF0000;}\n");};
		};
?>
-->
</style></head>

<body>
<p><u><strong>			User Register</strong></u></p>
<div align="center">
  <p>

  <?php
  /* NOT WORKING */
   if (isset ($_POST['submit'])) { 
        if(!empty($_POST['username']) && (!empty ($_POST['fname'])) ) {
          print ('Working?'); }
    }; 
	  /* NOT WORKING */
	  ?>

  <?php if (isset ($_POST['submit'])) {
  echo ('<ul>');
	if (empty ($_POST['username'])){echo ("<p><li>Please fill in your Username</li> </p>");};
	if (empty ($_POST['fname'])) {echo ("<p><li>Please fill in your firstname </li></p>");};
	if (empty ($_POST['lname'])) {echo ("<p><li>Please fill in your lastname</li> </p>");};
	if (empty ($_POST['email'])) {echo ("<p><li>Please fill in your email</li> </p>");} 
		elseif (!eregi(".+@.+\..+",$_POST['email'])) {echo ("<p><li>You must supply A correct E-mail address</li></p>");};
		 echo ('</ul>');
		};?></p>
  <table width="28%" height="112" border="0" cellpadding="0" cellspacing="0">
<form id="Join" name="Join" method="post" action="<?php echo ($_SERVER['PHP_SELF']); /* Set target self */?>">
  <tr>
    <td width="58%"><span class="username">Desired Username </span></td>
    <td width="42%"><input name="username" type="text" tabindex="1" value="<?php echo ($_POST['username']); ?>"/></td>
  </tr>
  <tr>
    <td><span class="fname">First name</span></td>
    <td><input type="text" name="fname" tabindex="2" value="<?php echo ($_POST['fname']); ?>"/></td>
  </tr>
  <tr>
    <td><span class="lname">Last name </span></td>
    <td><input type="text" name="lname" tabindex="3"value="<?php echo ($_POST['lname']); ?>" /></td>
  </tr>
  <tr>
    <td><span class="email">Email Adress</span></td>
    <td><input type="text" name="email" tabindex="4" value="<?php echo ($_POST['email']); ?>"/></td>
  </tr>
  <tr>
    <td>&nbsp;</td>
	 <td><input type="reset" name="reset" value="Reset" tabindex="6" />
	 <input type="submit" name="submit" value="Submit" tabindex="5"/>
	 <input name="ip" type="hidden" value="<?php echo ($_SERVER['REMOTE_ADDR']); /* Get The Users IP Address */?>" /></td>
     </tr>
</form>
</table>
</div>

<p>Current Document:<?php echo ($_SERVER['PHP_SELF']); /* Set target self */?><br />
User IP: <?php echo ($_SERVER['REMOTE_ADDR']); /* Get The Users IP Address */?></p>
<p>&nbsp; </p>
</body>
</html>

[jjfletch]

You could do something like this:

<?

if(isset($_POST['submit'])) {

$arrErrors = array();

   if (eregi ("^[[:alpha:]].' -]{2,15}$", stripslashes(trim($_POST['FirstName'])))) {
   $fn = ($_POST['FirstName']);
   } else {
    $arrErrors['fn'] = '<font color="red">Enter a first Name</font>';
   }

   if (eregi ("^[[:alpha:]].' -]{2,15}$", stripslashes(trim($_POST['LastName'])))) {
   $ln = ($_POST['LastName']);
   } else {
   $ln = FALSE;
    $arrErrors['ln'] = '<font color="red">Enter a Last Name</font>';
   }

   if (eregi ("^[[:alnum:]][a-z0-9_.-]*@[a-z0-9.-]+\.[a-z]{2,4}$",
   stripslashes(trim($_POST['email'])))) {
   $e = ($_POST['email']);
   } else {
   $arrErrors['email'] = '<p><font color="red">Please enter a valid email address</font></p>';
   }

if (count($arrErrors) == 0) {


  /***** DO WHATEVER YOU WANT IF EVERYTHING IS GOOD *****/

} else {  /******** THERE WERE PROBLEMS ********/

            $strError = '<ul>';

                    foreach ($arrErrors as $error) {
                        $strError .= "<li>$error</li>";
                    }
                            $strError .= '</ul></div>';
                    }

echo $strError;

} else { /********** SUBMIT BUTTON HAS NOT BEEN PRESSED ********/
?>

/*********** YOUR HTML GOES HERE **********/

<? } ?>