1. How to Create A Controller in
Magento Extension
 Bippo Commerce
Creating your own pages in Magento.

2. URL Structure
http://demo.bippo.co.id/module/controller/action

3. Create Module's etc/config.xml
<?xml version="1.0" encoding="UTF-8"?>
<config>
<modules>
<Bippo_MyBanner >
<version>1.0.0</version>
</Bippo_MyBanner >
</modules>
</config>

4. Activate in etc/modules/
{company}_{module}.xml
<?xml version="1.0" encoding="UTF-8"?>
<config>
<modules>
<Bippo_MyBanner >
<active>true</active>
<codePool>community</codePool>
</Bippo_MyBanner >
</modules>
</config>

5. Controller Class PHP Code
class Bippo_MyBanner_Display Controller
extends Mage_Core_Controller_Front_Action
{
public function showAction(){
}
}
Bippo/MyBanner/controllers/DisplayController.php

6. Router Config
...
<frontend>
<routers>
<mybanner>
<use>standard</use>
<args>
<module>Bippo_MyBanner</module>
<frontName>display</frontName>
</args>
</mybanner>
</routers>
</frontend>
...
Bippo/MyBanner/etc/config.xml

7. "Raw" Action

8. Test
public function helloAction(){
echo "Hello World";
}

9. Test it
 http://localhost/magento/mybanner/display/hello

10. Layout-based Action

11. Layout Config
<frontend>
<layout>
<updates>
<mybanner>
<file>mybanner.xml</file>
</mybanner>
</updates>
</layout>
</frontend>
Bippo/MyBanner/etc/config.xml

12. Layout XML
<?xml version="1.0" encoding="UTF-8"?>
<layout version="0.1.0">
<arithmetic_integer_multiply>
<reference name="root">
<action method="setTemplate">
<template>page/1column.phtml</template>
</action>
</reference>
<reference name="content">
<block type="core/template"
name="arithmetic_integer_multiply"
template="arithmetic/integer/multiply.phtml"></block>
</reference>
</arithmetic_integer_multiply>
</layout>
bippomybanner.xml

13. Load Layout in Action
public function smallAction(){
$this->loadLayout();
$this->renderLayout();
}

14. Test
 /mybanner/display/small

15. Get URL from PHP
<?php echo Mage::getUrl('mybanner/display/small') ?
>

16. Process Input
<form action="<?php echo Mage::getUrl('arithmetic/integer/multiply') ?>"
method="post">
<fieldset>
<ul>
<li>
<label for="int1">Integer 1</label>
<input type="text" id="int1" name="int1" />
</li>
<li>
<label for="int2">Integer 2</label>
<input type="text" id="int2" name="int2" />
</li>
<li><input type="submit" value="Multiply" /></li>
</ul>
</fieldset>
</form>

17. Is Form POST ?
$this­>getRequest()­>isPost()

18. Process POST Parameters
public function multiplyAction(){
if ($this->getRequest()->isPost()){
$int1 = $this->getRequest()->getPost('int1');
$int2 = $this->getRequest()->getPost('int2');
$result = $int1 * $int2;
Mage::getSingleton('customer/session')
->addSuccess("$int1 * $int2 = $result");
}
$this->loadLayout();
$this->_initLayoutMessages('customer/session');
$this->renderLayout();
}

19. Support Messages Block
$this­>_initLayoutMessages('customer/session');
Other choices:
 adminhtml/session
 catalog/session
 checkout/session

20. Add Message
Mage::getSingleton('customer/session')­
>addSuccess("$int1 * $int2 = $result");

21. Display Message in PHTML
Template
echo $this­>getMessagesBlock()­>getGroupedHtml();

22. References
 http://blog.baobaz.com/en/blog/magento­module­create­your­own­controller