3 | ERROR   | [x] A single space should be after the function keyword in closures
    |         |     (MediaWiki.WhiteSpace.SpaceAfterClosure.NoWhitespaceAfterClosure)
  3 | ERROR   | [x] Expected 1 spaces after opening parenthesis; 2 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterOpen)
  3 | WARNING | [x] Single space expected after opening parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceAfterOpenParenthesis)
  3 | ERROR   | [x] Expected 1 space between type hint and argument "$a"; 2 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterHint)
  3 | ERROR   | [x] Expected 0 spaces between argument "$a" and comma; 1 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpaceBeforeComma)
  3 | ERROR   | [x] Expected 1 space between comma and type hint "string"; 0 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.NoSpaceBeforeHint)
  3 | ERROR   | [x] Expected no space between "$a" and the comma. Found: 1 space
    |         |     (Universal.WhiteSpace.CommaSpacing.SpaceBeforeInFunctionDeclaration)
  3 | ERROR   | [x] Expected 1 space between the comma and "string". Found: no spaces
    |         |     (Universal.WhiteSpace.CommaSpacing.NoSpaceAfterInFunctionDeclaration)
  3 | ERROR   | [x] Expected 1 space between type hint and argument "$b"; 0 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterHint)
  3 | WARNING | [x] Single space expected before closing parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceBeforeCloseParenthesis)
  3 | ERROR   | [x] Expected 1 spaces before closing parenthesis; 0 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingBeforeClose)
  3 | ERROR   | [x] There must not be a space before the colon in a return type declaration
    |         |     (PSR12.Functions.ReturnTypeDeclaration.SpaceBeforeColon)
  7 | ERROR   | [x] A single space should be after the function keyword in closures
    |         |     (MediaWiki.WhiteSpace.SpaceAfterClosure.WrongWhitespaceAfterClosure)
  7 | ERROR   | [x] Expected 1 spaces after opening parenthesis; 0 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterOpen)
  7 | WARNING | [x] Single space expected after opening parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceAfterOpenParenthesis)
  7 | ERROR   | [x] Expected 1 space between comma and type hint "string"; 4 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingBeforeHint)
  7 | ERROR   | [x] Expected 1 space between the comma and "string". Found: 4 spaces
    |         |     (Universal.WhiteSpace.CommaSpacing.TooMuchSpaceAfterInFunctionDeclaration)
  7 | WARNING | [x] Single space expected before closing parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceBeforeCloseParenthesis)
  7 | ERROR   | [x] Expected 1 spaces before closing parenthesis; 3 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingBeforeClose)
  7 | ERROR   | [x] There must not be a space before the colon in a return type declaration
    |         |     (PSR12.Functions.ReturnTypeDeclaration.SpaceBeforeColon)
 10 | ERROR   | [x] There must be a single space between the colon and type in a return type
    |         |     declaration (PSR12.Functions.ReturnTypeDeclaration.SpaceBeforeReturnType)
 14 | ERROR   | [x] Expected 1 spaces after opening parenthesis; 4 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterOpen)
 14 | WARNING | [x] Single space expected after opening parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceAfterOpenParenthesis)
 14 | ERROR   | [x] Expected 0 spaces between argument "$closure1" and comma; 1 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpaceBeforeComma)
 14 | ERROR   | [x] Expected no space between "$closure1" and the comma. Found: 1 space
    |         |     (Universal.WhiteSpace.CommaSpacing.SpaceBeforeInClosureUse)
 14 | ERROR   | [x] Expected 0 spaces between argument "$closure2" and comma; 4 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpaceBeforeComma)
 14 | ERROR   | [x] Expected no space between "$closure2" and the comma. Found: 4 spaces
    |         |     (Universal.WhiteSpace.CommaSpacing.SpaceBeforeInClosureUse)
 14 | WARNING | [x] Single space expected before closing parenthesis
    |         |     (MediaWiki.WhiteSpace.SpaceyParenthesis.SingleSpaceBeforeCloseParenthesis)
 14 | ERROR   | [x] Expected 1 spaces before closing parenthesis; 0 found
    |         |     (Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingBeforeClose)
 14 | ERROR   | [x] There must be a single space between the colon and type in a return type
    |         |     declaration (PSR12.Functions.ReturnTypeDeclaration.SpaceBeforeReturnType)
 22 | ERROR   | [x] A single space should be after the function keyword in closures
    |         |     (MediaWiki.WhiteSpace.SpaceAfterClosure.WrongWhitespaceAfterClosure)
PHPCBF CAN FIX THE 31 MARKED SNIFF VIOLATIONS AUTOMATICALLY