v0.5.0

• Arrays must be created before being used. (#48)
• Late-static binding must not be used for constants and in final classes. (#49)
• Closures must be declared as static when not referencing $this. (#51)
• Improve use of ternary expressions. (#50)
• Shorthand types must be used. (#52)
• Trailing comma is required in multi-line arrays. (#53)
• Final methods must not be used in final classes. (#54)
• Semicolons must not be used unnecessarily. (#55)

v0.4.0

• PHP files must only contain PHP. (#24)
• Functions, methods and closures must not have unnecessary whitespace. (#30)
• Parentheses must not be used unnecessarily. (#39)
• Comments must be meaningful and aligned. (#35)
• No spacing after spread/splat operator. (#45)
• Trait suffix must not be used. (#44)
• Generic types must be used (eg array<string> not string[]). (#43)
• Statements must not be empty, except catch blocks. (#34)
• Comment annotations must be grouped. (#46)
• Inline doc comments must be valid. (#47)

v0.3.1

• Allow PHP_CodeSniffer Standards Composer Installer Plugin v0.5. (#36)

v0.3.0

• Nullable types must be used. (#19)
• Strict comparisons must be used. (#20)
• Backticks must not be used. (#21)
• Functions must not be nested. (#23)
• Shorthand cast operators must be used. (#27)
• Single space after type casting and none inside. (#27)
• Short arrays/list must be used. (#28)
• Combined assignment operators must be used. (#22)
• Use single-quoted strings where possible. (#31)

v0.2.1

• Take annotations into account when determining if a use statement is actually used. (#25)

v0.2.0

• use statements must be actually used. (#5)
• use statements must be ordered alphabetically. (#6)
• The strict_types directive must be used. (#8)
• Class and interface constants must have visibility declared. (#10)
• The null coalesce operator must be used when possible. (#15)
• Primitive types must be in lower case. (#13)
• Abstract prefixes, and Exception and Interface suffixes must not be used. (#11)
• Multi-line method chaining is allowed. (#7)
• use statements must be used everywhere. (#14)

v0.1.1

• use function and use const statements should be separated. (#9)

v0.1.0

• Adhere to PSR-1.(#1)
• Adhere to PSR-2. (#2)