From 1be476c1a16bf4f43c8580a2076d86e3e5894537 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Machulda?= <ondrej.machulda@lmc.eu>
Date: Fri, 26 Apr 2024 11:28:23 +0200
Subject: [PATCH] Feat: Require comparisons to be strict (fixes #90)

---
 ecs.php                                          | 3 +++
 tests/Integration/Fixtures/Basic.correct.php.inc | 4 ++--
 tests/Integration/Fixtures/Basic.wrong.php.inc   | 4 ++--
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/ecs.php b/ecs.php
index 5d49511..bb9667c 100644
--- a/ecs.php
+++ b/ecs.php
@@ -122,6 +122,7 @@
 use PhpCsFixer\Fixer\Semicolon\NoSinglelineWhitespaceBeforeSemicolonsFixer;
 use PhpCsFixer\Fixer\Semicolon\SpaceAfterSemicolonFixer;
 use PhpCsFixer\Fixer\Strict\DeclareStrictTypesFixer;
+use PhpCsFixer\Fixer\Strict\StrictComparisonFixer;
 use PhpCsFixer\Fixer\Strict\StrictParamFixer;
 use PhpCsFixer\Fixer\StringNotation\SingleQuoteFixer;
 use PhpCsFixer\Fixer\Whitespace\BlankLineBeforeStatementFixer;
@@ -358,6 +359,8 @@
             DeclareStrictTypesFixer::class,
             // Functions should be used with `$strict` param set to `true`
             StrictParamFixer::class,
+            // Comparisons should be strict, `===` or `!==` must be used for comparisons
+            StrictComparisonFixer::class,
             // Convert double quotes to single quotes for simple strings
             SingleQuoteFixer::class,
             // Remove extra spaces in a nullable typehint
diff --git a/tests/Integration/Fixtures/Basic.correct.php.inc b/tests/Integration/Fixtures/Basic.correct.php.inc
index 922a41a..57ebb7b 100644
--- a/tests/Integration/Fixtures/Basic.correct.php.inc
+++ b/tests/Integration/Fixtures/Basic.correct.php.inc
@@ -14,8 +14,8 @@ class Basic
         $lambdaWithUnusedImport = function () { return 'foo'; };
         // NoUselessSprintfFixer
         $uselessSprintf = 'bar';
-        // SingleSpaceAfterConstructFixer
-        if ($a == $b) {
+        // SingleSpaceAfterConstructFixer, StrictComparisonFixer
+        if ($a === $b || $bazLength !== 3) {
             return true;
         }
 
diff --git a/tests/Integration/Fixtures/Basic.wrong.php.inc b/tests/Integration/Fixtures/Basic.wrong.php.inc
index aa795ae..d56ac43 100644
--- a/tests/Integration/Fixtures/Basic.wrong.php.inc
+++ b/tests/Integration/Fixtures/Basic.wrong.php.inc
@@ -13,8 +13,8 @@ class Basic
         $lambdaWithUnusedImport = function () use ($fooBar) { return 'foo'; };
         // NoUselessSprintfFixer
         $uselessSprintf = sprintf('bar');
-        // SingleSpaceAfterConstructFixer
-        if ($a == $b) { return  true; }
+        // SingleSpaceAfterConstructFixer, StrictComparisonFixer
+        if ($a == $b || $bazLength != 3) { return  true; }
         return false; // BlankLineBeforeStatementFixer
     }