3v4l.org

run code in 300+ PHP versions simultaneously
<?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');
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Function utf8_encode() is deprecated in /in/A70dL on line 2 Deprecated: Function utf8_encode() is deprecated in /in/A70dL on line 2 Deprecated: Function utf8_encode() is deprecated in /in/A70dL on line 2 Deprecated: Function utf8_encode() is deprecated in /in/A70dL on line 2 äöü-äöü-äöü-äöü-äöü
Output for 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
äöü-äöü-äöü-äöü-äöü
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, 5.5.24 - 5.5.35
äöü-äöü-äöü-äöü-äöü
preferences:
189.81 ms | 403 KiB | 312 Q