static function substr($s, $start, $len = 2147483647)
 {
     /**/
     if (extension_loaded('intl') && 'à' === grapheme_substr('éà', 1, -2)) {
         return PHP\Override\Intl::grapheme_substr_workaround62759($s, $start, $len);
         /**/
     } else {
         return grapheme_substr($s, $start, $len);
         /**/
     }
 }
 /**
  * @covers Patchwork\PHP\Override\Intl::grapheme_strstr
  * @covers Patchwork\PHP\Override\Intl::grapheme_stristr
  */
 function testGrapheme_strstr()
 {
     $this->assertSame('국어', grapheme_strstr('한국어', '국'));
     $this->assertSame('ÉJÀ', grapheme_stristr('DÉJÀ', 'é'));
     $this->assertSame('국어', p::grapheme_strstr('한국어', '국'));
     $this->assertSame('ÉJÀ', p::grapheme_stristr('DÉJÀ', 'é'));
     $this->assertSame('Paris', p::grapheme_stristr('der Straße nach Paris', 'Paris'));
 }