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File: example2.php

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  Classes of Jeff Williams  >  Easy Template  >  example2.php  >  Download  
File: example2.php
Role: Example script
Content type: text/plain
Description: Example 2
Class: Easy Template
Template engine based on real HTML tag replacement
Author: By
Last change:
Date: 8 years ago
Size: 3,025 bytes
 

Contents

Class file image Download
<?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;

}
?>