The document provides a code review checklist with rules for code organization, style, and installation of components. Key points include: - Do not insert CSS/JS code anywhere other than predefined files and avoid string concatenation in links. - If themes are used, views must be stored in theme folders and built-in scopes should replace Criteria. - For large data processing, use data providers and batching. - Use Composer for library installation and updates in production. - PHPStorm code style can be set from PSR standards and code should be regularly inspected.

1. CODE REVIEW CHECKLIST

2. GENERAL RULES
• DO NOT INSERT CSS STYLES ANYWHERE OTHER THAN APPLICATION.CSS (MELON)
OR SCREEN.CSS / ASSETBUNDLES (YII2)
• DO NOT INSERT JS-CODE ANYWHERE OTHER THAN APPLICATION.JS (MELON) OR JS
FILES, CONNECTED TO ASSETBUNDLES (YII2)
• DO NOT EXECUTE DATABASE DRAWS INSIDE VIEWS. ALL DRAWS MUST BE
PERFORMED IN MODELS / CONTROLLERS / WIDGETS
• DO NOT EXECUTE DATABASE INQUIRIES INSIDE CYCLES. CREATE DRAWING
CONDITIONS CRITERIA INSTEAD.
• AVOID STING CONCATENATION IN LINKS. CREATE LINKS ONLY WITH INNATE TOOLS:
YII – CREATEURL (YII1) OR URL (YII2) CLASS METHODS

3. ORGANIZATIONAL RULES
• IF THE PROJECT USES THEMES, ALL VIEWS EXCEPT FOR WIDGETS MUST BE
STORED IN THE THEME FOLDER
• INSTEAD OF CDBCRITERIA, USE MELON BUILT-IN SCOPES
• AVOID DUBBING CODE CHAINS. ALL DUBBING PARTS MUST BE TAKEN OUT TO
SEPARATE METHODS / CLASSES / ACTIONS / WIDGETS
• FOR PROCESSING OF LARGE AMOINT OF DATA, USE CDATAPROVIDERITERATOR (YII1)
OR
FOR (YII2)
ActiveRecord::find()->batch(10)

4. COMPONENTS INSTALLATION RULES
• USE ONLY COMPOSER COMMANDS FOR ADDITION OF NEW
LIBRARIES / EXTENSIONS. IT IS THE ONLY FITTING INSTRUMENT
TO MAINTAIN, UPDATE OR ALTER THE PROJECT’S DEPENDABLES
• ON YOUR LOCAL MACHNE, USE EITHER COMPOSER UPDATE OR
COMPOSER INSTALL
• IN PRODUCTION, USE ONLY COMPOSER INSTALL. THIS COMMAND
WILL INSTALL IDENTICAL VERSIONS OF ALL LIBRARIES, STORED
IN COMPOSER.LOCK

5. CHECK TOOLS INSTRUCTIONS
FOR AUTO CODE STYLE CHECK IN PHPSTORM:
• INSTALL PHP_CODESNIFFER
• INSTALL PHP_MESSDETECT
• IN PHPSTORM SETTINGS, CONFIGURE EDITOR -> CODE STYLE -> PHP -> SET FROM ->
PREDEFINED STYLES: PSR-1/PSR-2
• FOR (YII1), TICK THE USE TABS BOX
• FOR (YII2), LEAVE IT ON DEFAULT
$ pear install PHP_CodeSniffer
$ pear channel-discover pear.phpmd.org
$ pear channel-discover pear.pdepend.org
$ pear install --alldeps phpmd/PHP_PMD

6. INSPECT YOUR CODE REGULARLY
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