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Form validation in PHP

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# 1  
Old 07-25-2010
Form validation in PHP
My form validation script looks like this of the form like this....



Code:
<html>

<form method="POST" action="">
<table >

<tr>
<td >Name:</td>
<td ><input type="text" name="name" size="30%"></td>
</tr>

<tr>
<td >Phone:</td>
<td ><input type="text" name="phone" size="30%"></td>
</tr>

<tr>
<td >Email:</td>
<td ><input type="text" colspan="2" name="email" size="50%"></td>
</tr>

<tr>
<td>Your Message:</td><td><textarea name="comments" cols="40" rows="4">
</textarea></td>
</tr>

<tr>
<td colspan="2"><input type="submit" name="submit" STYLE="background-color:#b74b4e; color:white">
</td>
 
</tr>
</table>
</form>

</html>




Code:
<?php

header("Cache: no-cahce");
error_reporting('E_DEPRECATED');
  if (isset($_POST['submit']))
    {
    
 $to="vivekttl@gmail.com";
 
 
 
 


 #Validation for Name


$name=$_POST['name'];

 if (ereg('[^A-Za-z]',$name) || $name == "")
 { 
 echo "Enter Name correctly !</br>" ; 
 }
 else
 { 
 $name=$_POST['name'];
 } 
 
 
 
 
#Validation for phone number
 $phone=$_POST['phone'];
  if((!is_numeric($_POST['phone'])) || $phone == "")
 {
 echo "Enter Phone no Correctly !</br>";
 
 }
 else
 {
  $phone=$_POST['phone'];

 }
 
 
 
 
 # Validation for email
 
 $email = $_POST['email'];
 if(checkEmail("somebody@gmail.com") == FALSE) 
{
   echo "E-mail entered is not valid.";
} 
else 
{
   echo "E-mail entered is valid.";
}


function checkEmail($email) 
{
   if(eregi("^[a-zA-Z0-9_]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+$]", $email)) 
   {
      return FALSE;
   }

   list($Username, $Domain) = split("@",$email);

   if(getmxrr($Domain, $MXHost)) 
   {
      return TRUE;
   }
   else 
   {
      if(fsockopen($Domain, 25, $errno, $errstr, 30)) 
      {
         return TRUE; 
      }
      else 
      {
         return FALSE; 
      }
   }
}





 

 
 #Validation for Comments
 $comment=$_POST['comments'];
 if(ereg('[^A-Za-z]',$comment) || $comment == "")
 {
  
   echo "Enter Message Please !";
 }
 else
 {
 $comment=$_POST['comments'];
  }
  
  
 $body="Name = ".$name."\nPhone = ".$phone."\nEmail = ".$email."\nComments : ".$comment."\n";
 
 //if (mail($to, "Feedback", $body)) {
   //echo("<p>Message successfully sent!</p>");
 // } else {
 //  echo("<p>Message delivery failed...</p>");
 // }  
  }
 
 
 
?>





Can any one plz correct me where I went wrong as the <textarea> tag & email is not working....
Last edited by pludi; 07-25-2010 at 06:09 PM.. Reason: code tags, please...
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