Jan 29, 2021 · Jan 3, 2021
diff --git a/components/string.rst b/components/string.rst
    $slug = $slugger->slug('10% or 5€');
    // $slug = '10-percent-or-5-euro'

    // if there is no symbols map for your locale (e.g. 'en_GB') then the parent locale's symbols map
    // will be used instead (i.e. 'en')
    $slugger = new AsciiSlugger('en_GB', ['en' => ['%' => 'percent', '€' => 'euro']]);
    $slug = $slugger->slug('10% or 5€');
    // $slug = '10-percent-or-5-euro'

    // for more dynamic substitutions, pass a PHP closure instead of an array
    $slugger = new AsciiSlugger('en', function ($string, $locale) {
        return str_replace('❤️', 'love', $string);

    The feature to use a PHP closure to define substitutions was introduced in Symfony 5.2.

 .. versionadded:: 5.3

    The feature to fallback to the parent locale's symbols map was introduced in Symfony 5.3.

 The separator between words is a dash (``-``) by default, but you can define
 another separator as the second argument::
Original file line number	Diff line number	Diff line change
Expand Up		@@ -477,6 +477,12 @@ that only includes safe ASCII characters::
		$slug = $slugger->slug('10% or 5€');
		// $slug = '10-percent-or-5-euro'

		// if there is no symbols map for your locale (e.g. 'en_GB') then the parent locale's symbols map
		// will be used instead (i.e. 'en')
		$slugger = new AsciiSlugger('en_GB', ['en' => ['%' => 'percent', '€' => 'euro']]);
		$slug = $slugger->slug('10% or 5€');
		// $slug = '10-percent-or-5-euro'

		// for more dynamic substitutions, pass a PHP closure instead of an array
		$slugger = new AsciiSlugger('en', function ($string, $locale) {
		return str_replace('❤️', 'love', $string);
Expand All		@@ -490,6 +496,10 @@ that only includes safe ASCII characters::

		The feature to use a PHP closure to define substitutions was introduced in Symfony 5.2.

		.. versionadded:: 5.3

		The feature to fallback to the parent locale's symbols map was introduced in Symfony 5.3.

		The separator between words is a dash (``-``) by default, but you can define
		another separator as the second argument::

Expand Down