PHP(5)Code Standard
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1. Autoloading Standard
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Mandatory
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\
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Underscores in Namespaces and Class Names
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Actually, underscore means another directory for class name.
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example
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\namespace\package\Class_Name => /path/to/project/lib/vendor/namespace/package/Class/Name.php
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\namespace\package_name\Class_Name => /path/to/project/lib/vendor/namespace/package_name/Class/Name.php
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Here is how we load the PHP class.
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https://gist.github.com/jwage/221634
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2. Basic Coding Standard
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PHP code MUST use only UTF-8 without BOM.
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3. Coding Style Guide
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Code MUST use 4 spaces for indenting, not tabs.
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Learn from one colleague, In Sublime, click on the line, we saw “Tab Size” at the bottom.
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We can go to [View]>[Indentation]>Convert Indentation to Space and check [Indent Using Space]
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There MUST be one blank line after the namespace declaration, and there MUST be one blank line after the block of use declarations.
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Opening braces for classes MUST go on the next line, and closing braces MUST go on the next line after the body.
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Opening braces for methods MUST go on the next line, and closing braces MUST go on the next line after the body.
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Visibility MUST be declared on all properties and methods;
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Control structure keywords MUST have one space after them, method and function calls MUST NOT
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Opening braces for control structures MUST go on the same line, and closing braces MUST go on the next line after the body.
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Opening parentheses for controller structures MUST NOT have a space after them, and closing parentheses for control structures MUST NOT have a space before.
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The closing ?> tag MUST be omitted from files containing only PHP.
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There MUST NOT be trailing whitespace at the end of non-blank lines.
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Blank lines MAY be added to improve readability and to indicate related blocks of code.
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PHP keywords and True/False/Null MUST be in lower case. true, false, null.
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all use declarations MUST go after the namespace declaration.
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Visibility MUST be declared on all properties.
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The var keyword MUST NOT be used to declare a property.
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There MUST NOT be more than one property declared per statement.
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4. Logger Interface
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References:
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http://www.php-fig.org/psr/psr-1/
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http://www.php-fig.org/psr/psr-0/
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http://www.php-fig.org/psr/psr-2/
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