3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ''; var_char( $input ); var_char( iconv(mb_detect_encoding($input, mb_detect_order(), true), "UTF-8", $input) );
Output for 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
Fatal error: Uncaught Error: Call to undefined function var_char() in /in/KUMb9:5 Stack trace: #0 {main} thrown in /in/KUMb9 on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Call to undefined function var_char() in /in/KUMb9 on line 5
Process exited with code 255.
preferences:
282.56 ms | 402 KiB | 381 Q