Docs: Add comments to various fixers

Author: OndraM

ecs.php

@@ -285,9 +285,9 @@
  NoUnreachableDefaultArgumentValueFixer::class,
  // There must be no `sprintf` calls with only the first argument.
  NoUselessSprintfFixer::class,
-
+ // There must not be a space before colon in return type declarations.
  ReturnTypeDeclarationFixer::class,
-
+ // Add `void` return type to functions with missing or empty return statements.
  VoidReturnFixer::class,
  // Remove leading slashes in `use` clauses.
  NoLeadingImportSlashFixer::class,
@@ -307,23 +307,23 @@
  CleanNamespaceFixer::class,
  // The namespace declaration line shouldn't contain leading whitespace.
  NoLeadingNamespaceWhitespaceFixer::class,
-
+ // Binary operators should be surrounded by exactly one single space.
  BinaryOperatorSpacesFixer::class,
  // There must be no space around scope resolution double colons
  NoSpaceAroundDoubleColonFixer::class,
-
+ // All instances created with new keyword must be followed by parentheses.
  NewWithParenthesesFixer::class,
-
+ // There should not be space before or after object operators `->` and `?->`.
  ObjectOperatorWithoutWhitespaceFixer::class,
-
+ // Replace all `<>` with `!=`.
  StandardizeNotEqualsFixer::class,
  // Standardize spaces around ternary operator.
  TernaryOperatorSpacesFixer::class,
  // Use the Elvis operator `?:` where possible.
  TernaryToElvisOperatorFixer::class,
  // Use `null` coalescing operator `??` where possible.
  TernaryToNullCoalescingFixer::class,
-
+ // Unary operators should be placed adjacent (without a space) to their operands.
  UnaryOperatorSpacesFixer::class,
 
  NoBlankLinesAfterPhpdocFixer::class,