Contributor Guidelines

    • Each pull request should contain only one new feature or improvement.
    • Code MUST use the PSR-1 code style.
    • Code MUST use 4 spaces for indenting, not tabs.
    • There MUST NOT be a hard limit on line length; the soft limit MUST be 120 characters; lines SHOULD be 80 characters or less.
    • There MUST be one blank line after the namespace declaration, and there MUST be one blank line after the block of use declarations.
    • Opening braces for methods MUST go on the next line, and closing braces MUST go on the next line after the body.
    • Visibility MUST be declared on all properties and methods; abstract and final MUST be declared before the visibility; static MUST be declared after the visibility.
    • Control structure keywords MUST have one space after them; method and function calls MUST NOT.
    • Opening braces for control structures MUST go on the same line, and closing braces MUST go on the next line after the body.