[8.x] Add chunk() to Fluent Strings

src/Illuminate/Support/Stringable.php

@@ -127,6 +127,17 @@ public function camel()
         return new static(Str::camel($this->value));
     }
 
+    /**
+     * Split the string into a collection of chunks of a specified length.
+     *
+     * @param  int  $length
+     * @return \Illuminate\Support\Collection
+     */
+    public function chunk($length)
+    {
+        return collect(mb_str_split($this->value, $length));
+    }
+
     /**
      * Determine if a given string contains a given substring.
      *

tests/Support/SupportStringableTest.php

@@ -2,6 +2,7 @@
 
 namespace Illuminate\Tests\Support;
 
+use Illuminate\Support\Collection;
 use Illuminate\Support\Stringable;
 use PHPUnit\Framework\TestCase;
 
@@ -528,4 +529,12 @@ public function testPadRight()
         $this->assertSame('Alien-----', (string) $this->stringable('Alien')->padRight(10, '-'));
         $this->assertSame('Alien     ', (string) $this->stringable('Alien')->padRight(10));
     }
+
+    public function testChunk()
+    {
+        $chunks = $this->stringable('foobarbaz')->chunk(3);
+
+        $this->assertInstanceOf(Collection::class, $chunks);
+        $this->assertSame(['foo', 'bar', 'baz'], $chunks->all());
+    }
 }