<?php
include("template.class.php");
// If the form has not been posted...
if (! isset($_POST["Submit"])) {
// Show the data entry form
showForm();
} else { // We have posted data
// Let's check the POST (or GET) data and validate
$problem = validateForm();
// If there were any problems then show them
if (strlen($problem) > 0) {
// Show the main registration form and pass in the validation problems
showForm('<h3 style="color: red;">' . $problem . '</h3>');
} else { // Data Validation Passed
// SAVE THE RECORD OR PROCESS YOUR DATA HERE
// Let's show a confirmation (which could be another template)
echo "<h2>Your data was submitted successfully</h2>\n";
//Now show the passed in values using the Template::getFormValue value
//NOTE: we could also show these values using $_POST[] if needed
echo "First Name: " . Template::getFormValue("FirstName") . "<br />\n";
echo "Zip Code: " . Template::getFormValue("ZipCode") . "<br />\n";
echo "Gender: " . Template::getFormValue("Gender") . "<br />\n";
echo "Agree: " . (Template::getFormValue("Agree") == "on" ? "Yes" : "No");
}
}
// --------------------------------------------------------------------------
// Show the input form
function showForm($message="") {
// Create the template object
$template = new Template("example2.html");
$template->replaceTag("Title", "My Template Example");
$template->replaceTag("Message", $message);
$template->replaceTag("FirstName", Template::getFormValue("FirstName"));
$template->replaceTag("ZipCode", Template::getFormValue("ZipCode"));
$template->replaceTag("Agree", Template::getHTMLChecked(Template::getFormValue("Agree")));
// Populate the radio buttons group
if (Template::getFormValue("Gender") == "F") {
$template->replaceTag("GenderMale", Template::getHTMLChecked(false));
$template->replaceTag("GenderFemale", Template::getHTMLChecked(true));
} else {
$template->replaceTag("GenderMale", Template::getHTMLChecked(true));
$template->replaceTag("GenderFemale", Template::getHTMLChecked(false));
}
$template->showPage();
}
// Validate (server side for security) the values from the form
function validateForm() {
// Validate the form values
$problem = "";
if (strlen(trim(Template::getFormValue("FirstName"))) == 0) {
$problem .= "First name is required<br />";
} elseif (strlen(trim(Template::getFormValue("FirstName"))) > 20) {
$problem .= "First name is too long<br />";
}
if (! is_numeric(Template::getFormValue("ZipCode"))) {
$problem .= "Zip code must be a valid number<br />";
} elseif (strlen(trim(Template::getFormValue("ZipCode"))) <> 5) {
$problem .= "Zip code must be 5 digits long<br />";
}
// Pass back any problems
return $problem;
}
?>
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