1. Code Quality Tools for Dev
Rejah Rehim

2. Maintainable code base
Code reuse (avoid code repetition)
— avoid complicated nested loops
— Encapsulation (organize code in classes)
— Code Documentation
— Consistent code conventions ( Code consistency)

3. PHP
PHP Mess Detector
● PHP Copy Paste Detector
● PHP Code Sniffer

4. PHP Mess Detector ( PHP MD )
Trying to be equivalent of Java Tool PMD Looks for
potential problems such as :
• if your function is too long
• if your function has too many
parameters
• variable names too long or too short
• too many nested cycles
• Use of eval()
• Name of covention
consistency
• Unused methodes or
variables

5. PHP MD
Installation
$ pear channel-discover pear.phpmd.org
$ pear channel-discover pear.pdepend.org
$ pear install --alldeps phpmd/PHP_PMD

6. PHP MD
Usage
phpmd [directory name] [format] [rule]
directory name = php directory
format = xml, text, html
rules = any of the available rules
http://phpmd.org/rules/index.html

7. PHP Copy Paste Detector - PHP CPD
● Find Duplicated Code (
http://en.wikipedia.org/wiki/Duplicate_code)
Installing PHP CPD
● pear config-set auto_discover 1
● pear install pear.phpunit.de/phpcpd
Usage
● phpcpd [directoryname]

8. PHP Code Sniffer
PHP 5 script
● Tokenises your php, javascript, css files
● Detects violations of a defined set of coding standards

9. Installation
pear install PHP_CodeSniffer-1.5.0RC3
Usage
phpcs --extensions=php [directory]

10. Demo
● Command line
● With Sublime Text Module

11. Thank you