Root Cause Analysis using Zend Studio and Zend Server

To create a new local project:

1. From the Menu-bar, select File | New | Local PHP Project.
   The New PHP Project dialog displays.

2. Enter the name of your project, set Basic as your project content, and click Finish.
   The project is created and appears in the PHP Explorer.

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To add Application Deployment Support:

In the PHP Explorer, right-click your project, and select Configure | Add Application Deployment Support.

The deployment.xmlAfter enabling deployment on your application, Zend-Studio creates a deployment.xml file that is displayed in the PHP Explorer view. This file is used to customize and define your deployment and to package the application. is added to your project.

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To deploy your application:

1. In the PHP Explorer, open the project's deployment.xml.

2. In the Testing area, click Deploy a PHP Application.

3. In the Deploy PHP Application dialog, click Add New Target.

4. In the Add Target dialog, select Zend Server, and click Next.

5. In the Target Details dialog, enter the following parameters:

• Host- Enter the host name
• Key Name- Enter your API Key name
• Key Secret- Enter your API Key secret

6. Click Test Connection to verify target connectivity, and click Finish.
   The new target is added and will appear as the deployment target in the Deploy PHP Application dialog.

7. Click Finish.
   Zend Studio deploys your application to the Zend Server target.

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To enable Application Monitoring:

1. From the Menu-bar, select Window | Show View | Targets to display the Targets view.

2. In the Targets view, right-click the target associated with the application you wish to monitor., and select Start Monitoring.

3. From the Menu-bar, select Window | Preferences | PHP | Application Monitoring.

4. From the Targets menu, select the target associated with the application you wish to monitor.
5. In the Filters area, click Add.
6. Enter the exact URL of the application you wish to monitor, and click OK.
   The URL is added to the filters area.
7. Click Apply to save settings, and OK.
   Application Monitoring is enabled for the application URL you defined.
   

1. From the PHP Explorer, open the project's 'index.php' file.
2. Copy and paste the following code:

<?php
zend_monitor_custom_event("Application", "Hello world!");
?>

3. Save your project.
4. Right-click anywhere in the editor, and select Run As | PHP Web Application.
   The file is opened in a Browser and Application Monitoring will display a notification of the Custom Event:

5. On the notification popup, click Source to identify the Event root cause.
   The 'index.php' file containing the source code causing the Event is displayed .

For more information on how to resolve a Custom Event, see the Zend Server User Guide.

1. Open the 'index.php' file used in the example above.
2. Delete the existing lines, and paste the following code so it appears as follows:

<?php
	$a = 5/0;
	echo "Hello World!"
?>

3. Save your project.
4. If your Browser is still open, click the refresh button . If not, right-click anywhere in the editor and select Run As | PHP Web Application.
   Application Monitoring will display a PHP Error notification:

5. On the notification popup, click Source to identify the Event root cause.
   The 'index.php' file containing the source code causing the Event is displayed .
6. In the code, change 'o' to '1' , and save the project.
7. On the notification popup, click Repeat.
   The request is repeated without triggering an event.

For more information on how to resolve a PHP Error event, see the Zend Server User Guide.

1. Open the 'index.php' file used in the example above.
2. Delete the existing lines, and paste the following code so it appears as follows:

<?php
	for ($i = 0; $i < 99999; $i++) {
	$a = hash_hmac('ripemd160', 'The quick ....', 'secret');
	}
?>

3. Save your project.

4. If your Browser is still open, click the refresh button . If not, right-click anywhere in the editor and select Run As | PHP Web Application.
   The submitted request will trigger an Event and you will receive a related notification.

5. On the notification popup, click Codetrace to search for the most time consuming component in the script.

For more information on how to resolve a Slow Request Execution event, see the Zend Server User Guide.