phone number validation and zip code validation?

[djcrisp22]

how can i tell in my script in the phone number box to look for only numbers and same thing with zip code? any help is appreciated!

 

    <?php
         if (!isset($_POST['submitForm'])) {
         ?>
         <form action="index.php" method="POST">
         <table>
        
<tr><td>First Name:</td><td><input type="text" name="name"></td></tr>

<tr><td>Last Name:</td><td><input type="text" name="lastname"></td></tr>        

  <tr><td>Address:</td><td><input type="text" name="address"></td></tr>        

<tr><td>City:</td><td><input type="text" name="city"></td></tr>
         
<tr><td>State:</td><td><input type="text" name="state"></td></tr>
         
<tr><td>Zip:</td><td><input type="text" name="zip"></td></tr>  

<tr><td>Phone Number:</td><td><input type="text" name="phone"></td></tr>           
        
<tr><td>Email:</td><td><input type="text" name="email"></td></tr>

        
<tr><td><input type="submit" name="SubmitForm" value="Send"></td></tr>
        
<form>
        <?php
        } 

         else {echo "Form submitted!";}
        ?> 

 

 

<?php
// Function to display form
function showForm($errorName=false,$errorEmail=false,$errorAddress=false,$errorCity=false,$errorLastName,$errorState,$errorZip,$errorPhone){
        
       if ($errorName) $errorTextName = "Please enter your first name!";
       if ($errorLastName) $errorTextLastName = "Please enter your last name!";         
       if ($errorCity) $errorTextCity = "Please enter a city!";
       if ($errorEmail) $errorTextEmail = "Please enter a valid email address!";
       if ($errorAddress) $errorTextAddress = "Please enter a address!";
       if ($errorState) $errorTextState = "Please enter name of state!";
       if ($errorZip) $errorTextZip = "Please enter zip code!";
       if ($errorPhone) $errorTextPhone = "Please enter phone number!";
         
      
         echo '<form action="index.php" method="POST"><table>';
         
        // Display firstname field an error if needed
        echo '<tr><td>First Name:</td><td><input type="text" name="name"></td></tr>';
        if ($errorName) echo "<tr><td colspan='2'>$errorTextName</td></tr>";

// Display lastname field an error if needed
        echo '<tr><td>Last Name:</td><td><input type="text" name="lastname"></td></tr>';
        if ($errorLastName) echo "<tr><td colspan='2'>$errorTextLastName</td></tr>";

//display address field an error if needed
        echo ' <tr><td>Address:</td><td><input type="text" name="address"></td></tr>';
        if ($errorAddress) echo "<tr><td colspan='2'>$errorTextAddress</td></tr>";

// Display City field an error if needed
        echo '<tr><td>City:</td><td><input type="text" name="city"></td></tr>';
        if ($errorCity) echo "<tr><td colspan='2'>$errorTextCity</td></tr>";


// Display State field an error if needed
        echo '<tr><td>State:</td><td><input type="text" name="state"></td></tr>';
        if ($errorState) echo "<tr><td colspan='2'>$errorTextState</td></tr>";

      

// Display zip field an error if needed
        echo '<tr><td>Zip:</td><td><input type="text" name="zip"></td></tr>';
        if ($errorZip) echo "<tr><td colspan='2'>$errorTextZip</td></tr>";


// Display phone number field an error if needed
        echo '<tr><td>Phone Number:</td><td><input type="text" name="phone"></td></tr>';
        if ($errorPhone) echo "<tr><td colspan='2'>$errorTextPhone</td></tr>";


      
    // Display email field an error if needed
        echo '<tr><td>Email:</td><td><input type="text" name="email"></td></tr>';
        if ($errorEmail) echo "<tr><td colspan='2'>$errorTextEmail</td></tr>";

       
        
     
       
echo '<tr><td><input type="submit" name="SubmitForm" value="Send"></td></tr>';
        echo '<form>';
        }
       
     

  if (!isset($_POST['SubmitForm'])) {
        showForm();
        } else {
        //Init error variables
        $errorName = false;
        $errorLastName = false;
        $errorAddress = false;
        $errorCity = false;  
        $errorState = false;
        $errorZip = false;           
        $errorPhone = false; 
        $errorEmail = false;
       




        
$name = isset($_POST['name']) ? trim($_POST['name']) : '';
  $lastname = isset($_POST['lastname']) ? trim($_POST['lastname']) : ''; 
$address = isset($_POST['address']) ? trim($_POST['address']) : '';  
    $city = isset($_POST['city']) ? trim($_POST['city']) : '';    
$state = isset($_POST['state']) ? trim($_POST['state']) : ''; 

$zip = isset($_POST['zip']) ? trim($_POST['zip']) : ''; 

$phone = isset($_POST['phone']) ? trim($_POST['phone']) : ''; 
        $email = isset($_POST['email']) ? trim($_POST['email']) : '';
             
  
         
if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) $errorEmail = true;
       
if (strlen($name)<3) $errorName = true;
  
if (strlen($lastname)<3) $errorLastName = true;
if (strlen($address)<1) $errorAddress = true;
if (strlen($city)<1) $errorCity = true;

if (strlen($state)<1) $errorState = true;



if (strlen($zip)<1) $errorZip = true;

if (strlen($phone)<1) $errorPhone = true;

      
      // Display the form again as there was an error
if ($errorName || $errorEmail || $errorAddress || $errorCity || $errorLastName || $errorState || $errorZip || $errorPhone) {
        showForm($errorName,$errorEmail,$errorAddress,$errorCity,$errorLastName,$errorState,$errorZip,$errorPhone);
        } else {
      
echo "submission success";
       
        }
         
        }
        ?> 

[R0bb0b]

regular expression, just like you did the email.

[Brandon Jaeger]

if(ereg('\(?[0-9]{3}\)?[-. ]?[0-9]{3}[-. ]?[0-9]{4}', $phone))
{
  // phone number isn't valid
}

if(ereg('\b[0-9]{5}(?:-[0-9]{4})?\b', $zip))
{
  // zip code isn't valid
}

That *should* work.