Changes

*** Files must be saved with Unix format (LF) and not Windows (CR/LF). Unix format is compatible on all OS such as Unix like, Windows, Mac, but the Windows text file format may not work on some PHP under Unix.

*** Files must be saved with Unix format (LF) and not Windows (CR/LF). Unix format is compatible on all OS such as Unix like, Windows, Mac, but the Windows text file format may not work on some PHP under Unix.

*** Smart tags PHP are not used. PHP code section must start with '''<?php'''

*** Smart tags PHP are not used. PHP code section must start with '''<?php'''

** Note 2: You can use the file '''dev/codesniffer/ruleset.xml''' as rule file to control coding style with PHPCodeSniffer.

** Note 2: You can use the file '''dev/setup/codesniffer/ruleset.xml''' as rule file to control coding style with PHPCodeSniffer.

** Note 3: You may note that current code is not yet compliant with the PSR-12. The reason is that we must "now" follow the "MUST" rules of PSR-12, but it wasn't in the past. So feel free to change coding style to match new rules (keep in mind the 2 exceptions) if you find such cases.

** Note 3: You can use the file '''dev/setup/eclipse/PSR-12 [built-in].xml''' as rule file to setup Eclipse syntax formater.

** Note 4: You may note that current code is not yet compliant with the PSR-12. The reason is that we must "now" follow the "MUST" rules of PSR-12, but it wasn't in the past. So feel free to change coding style to match new rules (keep in mind the 2 exceptions) if you find such cases.

== Classes and properties structures ==

== Classes and properties structures ==