3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "äöü"."-".utf8_encode("äöü")."-".utf8_encode(utf8_encode("äöü"))."-".mb_convert_encoding("äöü", 'UTF-8')."-".mb_convert_encoding(utf8_encode("äöü"), 'UTF-8'); echo json_encode(array("äöü"."-".utf8_encode("äöü")."-".utf8_encode(utf8_encode("äöü"))."-".mb_convert_encoding("äöü", 'UTF-8')."-".mb_convert_encoding(utf8_encode("äöü"), 'UTF-8')));
based on g0mYj
Output for 5.6.0 - 5.6.24, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
äöü-äöü-äöü-äöü-äöü["\u00e4\u00f6\u00fc-\u00c3\u00a4\u00c3\u00b6\u00c3\u00bc-\u00c3\u0083\u00c2\u00a4\u00c3\u0083\u00c2\u00b6\u00c3\u0083\u00c2\u00bc-\u00e4\u00f6\u00fc-\u00c3\u00a4\u00c3\u00b6\u00c3\u00bc"]
Output for 5.2.0 - 5.5.38
äöü-äöü-äöü-äöü-äöü["\u00e4\u00f6\u00fc-\u00c3\u00a4\u00c3\u00b6\u00c3\u00bc-\u00c3\u0083\u00c2\u00a4\u00c3\u0083\u00c2\u00b6\u00c3\u0083\u00c2\u00bc-\u00c3\u00a4\u00c3\u00b6\u00c3\u00bc-\u00c3\u0083\u00c2\u00a4\u00c3\u0083\u00c2\u00b6\u00c3\u0083\u00c2\u00bc"]
Output for 5.0.0 - 5.1.6
äöü-äöü-äöü-äöü-äöü Fatal error: Call to undefined function json_encode() in /in/r4EOq on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
äöü-äöü-äöü-äöü-äöü Fatal error: Call to undefined function: json_encode() in /in/r4EOq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
äöü-äöü-äöü-äöü-äöü Fatal error: Call to undefined function: json_encode() in /in/r4EOq on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
äöü-äöü-äöü-äöü-äöü Fatal error: Call to undefined function: json_encode() in /in/r4EOq on line 3