From b222c807849f88d1df19a2a5403b1765fbb4412b Mon Sep 17 00:00:00 2001
From: Guillaume Sainthillier <guillaume.sainthillier@gmail.com>
Date: Mon, 12 Oct 2026 12:01:30 +0200
Subject: [PATCH] [Php80] Skip loose false comparison in StrContainsRector and
 MbStrContainsRector

---
 .../Fixture/fixture_equal.php.inc             | 27 -------------------
 .../Fixture/not_equal_mb_strstr.php.inc       | 27 -------------------
 .../Fixture/offset_equal_strpos.php.inc       | 25 -----------------
 .../offset_expression_equal_strpos.php.inc    | 27 -------------------
 .../offset_negative_equal_strpos.php.inc      | 25 -----------------
 .../offset_variable_equal_strpos.php.inc      | 27 -------------------
 .../offset_variable_zero_equal_strpos.php.inc | 27 -------------------
 .../Fixture/offset_zero_equal_strpos.php.inc  | 25 -----------------
 .../Fixture/skip_loose_equal_strpos.php.inc   | 13 +++++++++
 .../Fixture/skip_loose_equal_strstr.php.inc   | 13 +++++++++
 .../skip_loose_not_equal_strpos.php.inc       | 13 +++++++++
 .../skip_loose_not_equal_strstr.php.inc       | 13 +++++++++
 .../Fixture/skip_loose_the_other_way.php.inc  | 13 +++++++++
 .../Fixture/strpos_equal.php.inc              | 27 -------------------
 .../Fixture/strstr_equal.php.inc              | 27 -------------------
 .../Fixture/the_other_way_equal.php.inc       | 27 -------------------
 .../Fixture/fixture_equal.php.inc             | 27 -------------------
 .../Fixture/not_equal_strstr.php.inc          | 27 -------------------
 .../Fixture/offset_equal_strpos.php.inc       | 25 -----------------
 .../offset_expression_equal_strpos.php.inc    | 27 -------------------
 .../offset_negative_equal_strpos.php.inc      | 25 -----------------
 .../offset_variable_equal_strpos.php.inc      | 27 -------------------
 .../offset_variable_zero_equal_strpos.php.inc | 27 -------------------
 .../Fixture/offset_zero_equal_strpos.php.inc  | 25 -----------------
 .../Fixture/skip_loose_equal_strpos.php.inc   | 13 +++++++++
 .../Fixture/skip_loose_equal_strstr.php.inc   | 13 +++++++++
 .../skip_loose_not_equal_strpos.php.inc       | 13 +++++++++
 .../skip_loose_not_equal_strstr.php.inc       | 13 +++++++++
 .../Fixture/skip_loose_the_other_way.php.inc  | 13 +++++++++
 .../Fixture/strpos_equal.php.inc              | 27 -------------------
 .../Fixture/strstr_equal.php.inc              | 27 -------------------
 .../Fixture/the_other_way_equal.php.inc       | 27 -------------------
 .../StrFalseComparisonResolver.php            |  4 +--
 .../NotIdentical/MbStrContainsRector.php      |  8 +++---
 .../Rector/NotIdentical/StrContainsRector.php |  8 +++---
 35 files changed, 137 insertions(+), 595 deletions(-)
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/fixture_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_the_other_way.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strpos_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strstr_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/the_other_way_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/fixture_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/not_equal_strstr.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
 create mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_the_other_way.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strpos_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strstr_equal.php.inc
 delete mode 100644 rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/the_other_way_equal.php.inc

diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/fixture_equal.php.inc
deleted file mode 100644
index 044cda46f28..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/fixture_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class Fixture
-{
-    public function run()
-    {
-        $isMatch = mb_strpos('😊abc', 'a') != false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class Fixture
-{
-    public function run()
-    {
-        $isMatch = str_contains('😊abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
deleted file mode 100644
index 8e1ca6f4c53..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class IdenticalStrstr
-{
-    public function run()
-    {
-        $isMatch = mb_strstr('abc', 'a') == false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class IdenticalStrstr
-{
-    public function run()
-    {
-        $isMatch = !str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_equal_strpos.php.inc
deleted file mode 100644
index 7a91da6a599..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetStrpos
-{
-    public function run()
-    {
-        $isMatch = mb_strpos('abc', 'a', 1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains(mb_substr('abc', 1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
deleted file mode 100644
index b57186ea9d6..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetExpressionStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset + 1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetExpressionStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset + 1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
deleted file mode 100644
index 22c0564cbd9..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetNegativeStrpos
-{
-    public function run()
-    {
-        $isMatch = mb_strpos('abc', 'a', -1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetNegativeStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains(mb_substr('abc', -1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
deleted file mode 100644
index defaf7f1515..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetVariableStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetVariableStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
deleted file mode 100644
index ff3e1bc7e9c..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetVariableZeroStrpos
-{
-    public function run()
-    {
-        $offset = 0;
-        $isMatch = mb_strpos('abc', 'a', $offset) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetVariableZeroStrpos
-{
-    public function run()
-    {
-        $offset = 0;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_zero_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
deleted file mode 100644
index 54cf829f71e..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetZeroStrpos
-{
-    public function run()
-    {
-        $isMatch = mb_strpos('abc', 'a', 0) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class OffsetZeroStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
new file mode 100644
index 00000000000..d605176f678
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
+
+class SkipLooseEqualStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') == false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
new file mode 100644
index 00000000000..c18e239d9e1
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
+
+class SkipLooseEqualStrstr
+{
+    public function run()
+    {
+        $isMatch = mb_strstr('abc', 'a') == false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
new file mode 100644
index 00000000000..44421af9452
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
+
+class SkipLooseNotEqualStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('😊abc', 'a') != false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
new file mode 100644
index 00000000000..f45b0588a21
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
+
+class SkipLooseNotEqualStrstr
+{
+    public function run()
+    {
+        $isMatch = mb_strstr('abc', 'a') != false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_the_other_way.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_the_other_way.php.inc
new file mode 100644
index 00000000000..1193d772e1c
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/skip_loose_the_other_way.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseTheOtherWay
+{
+    public function run()
+    {
+        $isMatch = false != mb_strpos('abc', 'a');
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strpos_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strpos_equal.php.inc
deleted file mode 100644
index a6129f96ced..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strpos_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class IdenticalStrpos
-{
-    public function run()
-    {
-        $isMatch = mb_strpos('abc', 'a') == false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class IdenticalStrpos
-{
-    public function run()
-    {
-        $isMatch = !str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strstr_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strstr_equal.php.inc
deleted file mode 100644
index 039c4b8949e..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/strstr_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class Strstr
-{
-    public function run()
-    {
-        $isMatch = mb_strstr('abc', 'a') != false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\MbStrContainsRector\Fixture;
-
-class Strstr
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/the_other_way_equal.php.inc
deleted file mode 100644
index 2e7ef24f8ad..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/MbStrContainsRector/Fixture/the_other_way_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class TheOtherWay
-{
-    public function run()
-    {
-        $isMatch = false != mb_strpos('abc', 'a');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class TheOtherWay
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/fixture_equal.php.inc
deleted file mode 100644
index e345230dfb5..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/fixture_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class Fixture
-{
-    public function run()
-    {
-        $isMatch = strpos('abc', 'a') != false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class Fixture
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/not_equal_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/not_equal_strstr.php.inc
deleted file mode 100644
index 2467d364c17..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/not_equal_strstr.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class IdenticalStrstr
-{
-    public function run()
-    {
-        $isMatch = strstr('abc', 'a') == false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class IdenticalStrstr
-{
-    public function run()
-    {
-        $isMatch = !str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_equal_strpos.php.inc
deleted file mode 100644
index 95cda89f4eb..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetStrpos
-{
-    public function run()
-    {
-        $isMatch = strpos('abc', 'a', 1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains(substr('abc', 1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
deleted file mode 100644
index f86c7683193..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetExpressionStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = strpos('abc', 'a', $offset + 1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetExpressionStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = str_contains(substr('abc', $offset + 1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
deleted file mode 100644
index 209324612af..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetNegativeStrpos
-{
-    public function run()
-    {
-        $isMatch = strpos('abc', 'a', -1) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetNegativeStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains(substr('abc', -1), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
deleted file mode 100644
index 3557b7de24b..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetVariableStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = strpos('abc', 'a', $offset) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetVariableStrpos
-{
-    public function run()
-    {
-        $offset = 1;
-        $isMatch = str_contains(substr('abc', $offset), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
deleted file mode 100644
index 9d891068846..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetVariableZeroStrpos
-{
-    public function run()
-    {
-        $offset = 0;
-        $isMatch = strpos('abc', 'a', $offset) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetVariableZeroStrpos
-{
-    public function run()
-    {
-        $offset = 0;
-        $isMatch = str_contains(substr('abc', $offset), 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_zero_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
deleted file mode 100644
index 771e9a02a83..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/offset_zero_equal_strpos.php.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetZeroStrpos
-{
-    public function run()
-    {
-        $isMatch = strpos('abc', 'a', 0) != false;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class OffsetZeroStrpos
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
new file mode 100644
index 00000000000..6b282f550db
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strpos.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseEqualStrpos
+{
+    public function run()
+    {
+        $isMatch = strpos('abc', 'a') == false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
new file mode 100644
index 00000000000..6638ca1f06c
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_equal_strstr.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseEqualStrstr
+{
+    public function run()
+    {
+        $isMatch = strstr('abc', 'a') == false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
new file mode 100644
index 00000000000..e7ed6ee569e
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strpos.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseNotEqualStrpos
+{
+    public function run()
+    {
+        $isMatch = strpos('abc', 'a') != false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
new file mode 100644
index 00000000000..642f47b4218
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_not_equal_strstr.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseNotEqualStrstr
+{
+    public function run()
+    {
+        $isMatch = strstr('abc', 'a') != false;
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_the_other_way.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_the_other_way.php.inc
new file mode 100644
index 00000000000..09be82b6e3c
--- /dev/null
+++ b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/skip_loose_the_other_way.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
+
+class SkipLooseTheOtherWay
+{
+    public function run()
+    {
+        $isMatch = false != strpos('abc', 'a');
+    }
+}
+
+?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strpos_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strpos_equal.php.inc
deleted file mode 100644
index db6d9ee1e93..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strpos_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class IdenticalStrpos
-{
-    public function run()
-    {
-        $isMatch = strpos('abc', 'a') == false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class IdenticalStrpos
-{
-    public function run()
-    {
-        $isMatch = !str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strstr_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strstr_equal.php.inc
deleted file mode 100644
index 0d65c0c8977..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/strstr_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class Strstr
-{
-    public function run()
-    {
-        $isMatch = strstr('abc', 'a') != false;
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class Strstr
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/the_other_way_equal.php.inc
deleted file mode 100644
index b706a1e6f91..00000000000
--- a/rules-tests/Php80/Rector/NotIdentical/StrContainsRector/Fixture/the_other_way_equal.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class TheOtherWay
-{
-    public function run()
-    {
-        $isMatch = false != strpos('abc', 'a');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Php80\Rector\NotIdentical\StrContainsRector\Fixture;
-
-class TheOtherWay
-{
-    public function run()
-    {
-        $isMatch = str_contains('abc', 'a');
-    }
-}
-
-?>
diff --git a/rules/Php80/NodeResolver/StrFalseComparisonResolver.php b/rules/Php80/NodeResolver/StrFalseComparisonResolver.php
index 33e3c6d91a0..3650ab52647 100644
--- a/rules/Php80/NodeResolver/StrFalseComparisonResolver.php
+++ b/rules/Php80/NodeResolver/StrFalseComparisonResolver.php
@@ -4,9 +4,7 @@
 
 namespace Rector\Php80\NodeResolver;
 
-use PhpParser\Node\Expr\BinaryOp\Equal;
 use PhpParser\Node\Expr\BinaryOp\Identical;
-use PhpParser\Node\Expr\BinaryOp\NotEqual;
 use PhpParser\Node\Expr\BinaryOp\NotIdentical;
 use PhpParser\Node\Expr\FuncCall;
 use Rector\NodeNameResolver\NodeNameResolver;
@@ -23,7 +21,7 @@ public function __construct(
     /**
      * @param string[] $oldStrFuncNames
      */
-    public function resolve(Identical|NotIdentical|Equal|NotEqual $expr, array $oldStrFuncNames): ?FuncCall
+    public function resolve(Identical|NotIdentical $expr, array $oldStrFuncNames): ?FuncCall
     {
         if ($this->valueResolver->isFalse($expr->left)) {
             if (! $expr->right instanceof FuncCall) {
diff --git a/rules/Php80/Rector/NotIdentical/MbStrContainsRector.php b/rules/Php80/Rector/NotIdentical/MbStrContainsRector.php
index d39a825261e..8f8739d3d44 100644
--- a/rules/Php80/Rector/NotIdentical/MbStrContainsRector.php
+++ b/rules/Php80/Rector/NotIdentical/MbStrContainsRector.php
@@ -7,9 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Arg;
 use PhpParser\Node\Expr;
-use PhpParser\Node\Expr\BinaryOp\Equal;
 use PhpParser\Node\Expr\BinaryOp\Identical;
-use PhpParser\Node\Expr\BinaryOp\NotEqual;
 use PhpParser\Node\Expr\BinaryOp\NotIdentical;
 use PhpParser\Node\Expr\BooleanNot;
 use PhpParser\Node\Expr\FuncCall;
@@ -79,11 +77,11 @@ public function run()
      */
     public function getNodeTypes(): array
     {
-        return [Identical::class, NotIdentical::class, Equal::class, NotEqual::class];
+        return [Identical::class, NotIdentical::class];
     }
 
     /**
-     * @param Identical|NotIdentical|Equal|NotEqual $node
+     * @param Identical|NotIdentical $node
      */
     public function refactor(Node $node): ?Node
     {
@@ -112,7 +110,7 @@ public function refactor(Node $node): ?Node
 
         $funcCall->name = new Name('str_contains');
 
-        if ($node instanceof Identical || $node instanceof Equal) {
+        if ($node instanceof Identical) {
             return new BooleanNot($funcCall);
         }
 
diff --git a/rules/Php80/Rector/NotIdentical/StrContainsRector.php b/rules/Php80/Rector/NotIdentical/StrContainsRector.php
index 2d555b7bfba..52aa91f17ff 100644
--- a/rules/Php80/Rector/NotIdentical/StrContainsRector.php
+++ b/rules/Php80/Rector/NotIdentical/StrContainsRector.php
@@ -7,9 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Arg;
 use PhpParser\Node\Expr;
-use PhpParser\Node\Expr\BinaryOp\Equal;
 use PhpParser\Node\Expr\BinaryOp\Identical;
-use PhpParser\Node\Expr\BinaryOp\NotEqual;
 use PhpParser\Node\Expr\BinaryOp\NotIdentical;
 use PhpParser\Node\Expr\BooleanNot;
 use PhpParser\Node\Expr\FuncCall;
@@ -80,11 +78,11 @@ public function run()
      */
     public function getNodeTypes(): array
     {
-        return [Identical::class, NotIdentical::class, Equal::class, NotEqual::class];
+        return [Identical::class, NotIdentical::class];
     }
 
     /**
-     * @param Identical|NotIdentical|Equal|NotEqual $node
+     * @param Identical|NotIdentical $node
      */
     public function refactor(Node $node): ?Node
     {
@@ -118,7 +116,7 @@ public function refactor(Node $node): ?Node
 
         $funcCall->name = new Name('str_contains');
 
-        if ($node instanceof Identical || $node instanceof Equal) {
+        if ($node instanceof Identical) {
             return new BooleanNot($funcCall);
         }