3v4l.org

run code in 300+ PHP versions simultaneously
<?php // \u0130 $s = 'u\'ZENG\u0130N OL YADA U\u011eRUNDA \xd6L\''; if ( substr($s, 3) == 'u\\\'' && substr($s, -1) == '\'' ) { } else { die('gestorben wegen: ' . $s); } var_dump(mb_convert_encoding('&#x0130;', 'UTF-8', 'HTML-ENTITIES') );
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
gestorben wegen: u'ZENG\u0130N OL YADA U\u011eRUNDA \xd6L'

preferences:
325.44 ms | 406 KiB | 452 Q