From 355356407bfd99a16fa7df52aca2b3a765490816 Mon Sep 17 00:00:00 2001
From: Kai Sassnowski <ksassnowski@users.noreply.github.com>
Date: Mon, 10 May 2021 10:48:56 +0200
Subject: [PATCH] Add option to ignore case in `Str::contains` and
 `Str::containsAll`

---
 src/Illuminate/Support/Str.php   | 16 ++++++++--
 tests/Support/SupportStrTest.php | 53 ++++++++++++++++++++++++--------
 2 files changed, 54 insertions(+), 15 deletions(-)

diff --git a/src/Illuminate/Support/Str.php b/src/Illuminate/Support/Str.php
index d023a446b74e..7a8cc8b4460c 100644
--- a/src/Illuminate/Support/Str.php
+++ b/src/Illuminate/Support/Str.php
@@ -176,10 +176,16 @@ public static function camel($value)
      *
      * @param  string  $haystack
      * @param  string|string[]  $needles
+     * @param  bool  $ignoreCase
      * @return bool
      */
-    public static function contains($haystack, $needles)
+    public static function contains($haystack, $needles, $ignoreCase = false)
     {
+        if ($ignoreCase) {
+            $haystack = mb_strtolower($haystack);
+            $needles = array_map('mb_strtolower', (array) $needles);
+        }
+
         foreach ((array) $needles as $needle) {
             if ($needle !== '' && mb_strpos($haystack, $needle) !== false) {
                 return true;
@@ -194,10 +200,16 @@ public static function contains($haystack, $needles)
      *
      * @param  string  $haystack
      * @param  string[]  $needles
+     * @param  bool  $ignoreCase
      * @return bool
      */
-    public static function containsAll($haystack, array $needles)
+    public static function containsAll($haystack, array $needles, $ignoreCase = false)
     {
+        if ($ignoreCase) {
+            $haystack = mb_strtolower($haystack);
+            $needles = array_map('mb_strtolower', $needles);
+        }
+
         foreach ($needles as $needle) {
             if (! static::contains($haystack, $needle)) {
                 return false;
diff --git a/tests/Support/SupportStrTest.php b/tests/Support/SupportStrTest.php
index e9e81d373cef..0973c2a77196 100755
--- a/tests/Support/SupportStrTest.php
+++ b/tests/Support/SupportStrTest.php
@@ -176,23 +176,20 @@ public function testStrAfterLast()
         $this->assertSame('foo', Str::afterLast('----foo', '---'));
     }
 
-    public function testStrContains()
+    /**
+     * @dataProvider strContainsProvider
+     */
+    public function testStrContains($haystack, $needles, $expected, $ignoreCase = false)
     {
-        $this->assertTrue(Str::contains('taylor', 'ylo'));
-        $this->assertTrue(Str::contains('taylor', 'taylor'));
-        $this->assertTrue(Str::contains('taylor', ['ylo']));
-        $this->assertTrue(Str::contains('taylor', ['xxx', 'ylo']));
-        $this->assertFalse(Str::contains('taylor', 'xxx'));
-        $this->assertFalse(Str::contains('taylor', ['xxx']));
-        $this->assertFalse(Str::contains('taylor', ''));
-        $this->assertFalse(Str::contains('', ''));
+        $this->assertEquals($expected, Str::contains($haystack, $needles, $ignoreCase));
     }
 
-    public function testStrContainsAll()
+    /**
+     * @dataProvider strContainsAllProvider
+     */
+    public function testStrContainsAll($haystack, $needles, $expected, $ignoreCase = false)
     {
-        $this->assertTrue(Str::containsAll('taylor otwell', ['taylor', 'otwell']));
-        $this->assertTrue(Str::containsAll('taylor otwell', ['taylor']));
-        $this->assertFalse(Str::containsAll('taylor otwell', ['taylor', 'xxx']));
+        $this->assertEquals($expected, Str::containsAll($haystack, $needles, $ignoreCase));
     }
 
     public function testParseCallback()
@@ -545,6 +542,36 @@ public function invalidUuidList()
         ];
     }
 
+    public function strContainsProvider()
+    {
+        return [
+            ['Taylor', 'ylo', true, true],
+            ['Taylor', 'ylo', true, false],
+            ['Taylor', 'taylor', true, true],
+            ['Taylor', 'taylor', false, false],
+            ['Taylor', ['ylo'], true, true],
+            ['Taylor', ['ylo'], true, false],
+            ['Taylor', ['xxx', 'ylo'], true, true],
+            ['Taylor', ['xxx', 'ylo'], true, false],
+            ['Taylor', 'xxx', false],
+            ['Taylor', ['xxx'], false],
+            ['Taylor', '', false],
+            ['', '', false],
+        ];
+    }
+
+    public function strContainsAllProvider()
+    {
+        return [
+            ['Taylor Otwell', ['taylor', 'otwell'], false, false],
+            ['Taylor Otwell', ['taylor', 'otwell'], true, true],
+            ['Taylor Otwell', ['taylor'], false, false],
+            ['Taylor Otwell', ['taylor'], true, true],
+            ['Taylor Otwell', ['taylor', 'xxx'], false, false],
+            ['Taylor Otwell', ['taylor', 'xxx'], false, true],
+        ];
+    }
+
     public function testMarkdown()
     {
         $this->assertSame("<p><em>hello world</em></p>\n", Str::markdown('*hello world*'));