Dear everybody,
In the following i have given my code but u know it's not working.
Any one tell me, why it's doesn't work.
<html>
<head><title>Beginning PHP5</title></head>
<body bgcolor="#FFFFFF">
<?php
if (isset($posted)) {
//make an array of field names and data types
$field_names = array("first_name" => "string",
"last_name" => "string",
"birth_date" => "date",
"phone" => "string",
"age" => "integer",
"address" => "string",
"city" => "string",
"state" => "string",
"postal_code" => "string");
//try checking the data type of each submitted value based on the name of the field
function form_validate($fns) {
foreach ($fns as $key => $value) {
$field_value = $key;
global $$field_value;
//echo "actual field value is " . $$field_value . "<br>";
switch ($value) {
Case "string";
if ((strlen($$field_value) < 1) or (strlen($$field_value) > 99)) {
throw new Exception("Please enter a string value between 1 and 100 characters in the <b>$key</b> field");
}
break;
Case "date";
if (!ereg("^[0-9]{4}\-([1-9]|(0[1-9])|(1[0-2]))\-([1-9]|(0[1-9])|([1-2][0-9])|3[0-1])$",$$field_value)) {
throw new Exception("Please enter a valid date formatted as YYYY-MM-DD in the <b>$key</b> field");
}
break;
Case "integer";
if (!is_numeric($$field_value)) {
throw new Exception("Please enter a number without decimal places or alphabetical characters in the <b>$key</b> field.");
}
break;
default;
break;
}
}
}
//catch the exception and produce an error message
try
{
form_validate($field_names);
}
catch (Exception $e)
{
echo $e -> getMessage();
echo "<br>";
}
}
//if no errors thank the user
if (!is_object($e) and isset($posted)) {
echo "Thanks for your entry. We'll be in touch.";
} else {
//return the filled out form to the user and ask them to try again
?>
<form action="trycatch.php" method="post">
<input type="hidden" name="posted" value="true">
<table width="50%" border="1">
<tr>
<td colspan="2"><font face="Arial, Helvetica, sans-serif" size="-1">Please
enter contact info:</font></td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">First
Name</font></td>
<td width="74%">
<input type="text" name="first_name" value="<?php echo $first_name; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">Last
Name</font></td>
<td width="74%">
<input type="text" name="last_name" value="<?php echo $last_name; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">BirthDate</font></td>
<td width="74%">
<input type="text" name="birth_date" value="<?php echo $birth_date; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">Phone
Number</font></td>
<td width="74%">
<input type="text" name="phone" value="<?php echo $phone; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">Age</font></td>
<td width="74%">
<input type="text" name="age" value="<?php echo $age; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">Address</font></td>
<td width="74%">
<input type="text" name="address" value="<?php echo $address; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">City</font></td>
<td width="74%">
<input type="text" name="city" value="<?php echo $city; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">State</font></td>
<td width="74%">
<input type="text" name="state" value="<?php echo $state; ?>">
</td>
</tr>
<tr>
<td width="26%"><font face="Arial, Helvetica, sans-serif" size="-1">Postal
Code</font></td>
<td width="74%">
<input type="text" name="postal_code" value="<?php echo $postal_code; ?>">
<input type="submit" value="Send Info" name="submit">
</td>
</tr>
</table>
</form>
<?php
}
?>
</body>
</html>