Add kebab case to Str with kebab_case helper (#18084)

src/Illuminate/Support/Str.php

@@ -132,6 +132,17 @@ public static function is($pattern, $value)
         return (bool) preg_match('#^'.$pattern.'\z#u', $value);
     }
 
+    /**
+     * Convert a string to kebab case.
+     *
+     * @param  string  $value
+     * @return string
+     */
+    public static function kebab($value)
+    {
+        return static::snake($value, '-');
+    }
+
     /**
      * Return the length of the given string.
      *

src/Illuminate/Support/helpers.php

@@ -560,6 +560,19 @@ function head($array)
     }
 }
 
+if (! function_exists('kebab_case')) {
+    /**
+     * Convert a string to kebab case.
+     *
+     * @param  string  $value
+     * @return string
+     */
+    function kebab_case($value)
+    {
+        return Str::kebab($value);
+    }
+}
+
 if (! function_exists('last')) {
     /**
      * Get the last element from an array.

tests/Support/SupportStrTest.php

@@ -123,6 +123,11 @@ public function testIs()
         $this->assertTrue(Str::is($patternObject, $valueObject));
     }
 
+    public function testKebab()
+    {
+        $this->assertEquals('laravel-php-framework', Str::kebab('LaravelPhpFramework'));
+    }
+
     public function testLower()
     {
         $this->assertEquals('foo bar baz', Str::lower('FOO BAR BAZ'));