Debugging with Zend Studio for Eclipse

Hosted by:Peter B. MacIntyre, ZCESenior Solutions Consultant,

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About MeOver 20 years in the IT Industry

Wrote “PHP: The Good Parts” - O’Reilly Press

Co-authored:• “Programming PHP 2nd Ed.” - O’Reilly Press• “Zend Studio for Eclipse Developer’s Guide” – Addison-Wesley

Tech Edited 10+ IT Books

Wrote Whitepaper for Zend on Team Development within Zend Studio

Working on a PHP Book for APress

Live in PEI, Canada

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Zend Studio Overview• Installation Options

– Browser Toolbar

• Integration with Zend Server (CE)• Views• Perspectives• The Debugging Perspective

– Debug as… PHP Script

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Debugging Perspective• Multiple Views available

– Debug (start / stop / restart)– Code editor– Breakpoints – Variables– Expressions (watches)– Browser Output (rendered HTML)– Debug Output (raw HTML)

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Moving through the code• F5 – Step Into• F6 – Step Over• F7 - Step Return• F8 – Run (to next breakpoint or to end of script)• Ctrl + F2 – Terminate Debug Session• Ctrl + R – Run to Line (cursor)

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Preparing the Session• Setting Breakpoints

– Double-click on line of code in the Marker Bar– Little blue dot appears indicating a breakpoint– Line number reference appears in the breakpoint view– Can be turned off / on in the breakpoint view

• Conditional Breakpoints– Can be set to trigger when a certain condition becomes true– Iteration # 7 of a for-next loop for example

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Looking at Debug Preferences• General Debug options

– Preferences -> Run/Debug• Launching• Perspective switching

• PHP Debug options– Preferences -> PHP -> Debug

• Debugger to use• Server to use – Zend Server CE in our case• Break at first line• Debug broadcast port: 20080

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Debugging Demo File• Walk through a debug session

– Look at the views– Set a watch value– Change a Variable value on the fly– Change code, save, and re-start debug session in the debug view

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Zend Browser Toolbar• Looking at the Firefox version

– Not ready for Version 5 of Firefox yet– Will recognize that Studio is running or try to launch it– Extra Stuff -> Settings

• Lots of options here• Path to Studio exe• Break at first line• Zend Debugger broadcast port: 20080

– Debug Menu Options• Current Page• Next Page• All forms• All Pages

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Zend Browser Toolbar Contd..

– Debug (launches debugger from the browser)– Search tool for on-line information– Profile – discussed next

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Profiling• A way to check on code efficiencies

– Bottlenecks, time wasting code

• Can be launched from browser or from within Studio• Has its own Perspective• Look at Profile results for demo code

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my Contact: peter@osscube.com

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