3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = trim(getUserInput()); if( str_split($input) == array(0,0,0,0) || strcmp($input, "0000") == 0 || strcmp($input, "000") == 0 || strcmp($input, "00") == 0 || strcmp($input, "0") == 0 || $input === 0 || preg_match("/^[\d]{1,}$/D", $input) )fail_advanced_1(); if($input == "0000") complete_advanced_1(); ?>
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 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Call to undefined function getUserInput() in /in/f0SlC:2 Stack trace: #0 {main} thrown in /in/f0SlC on line 2
Process exited with code 255.
Output for 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 - 5.6.40
Fatal error: Call to undefined function getUserInput() in /in/f0SlC on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: getuserinput() in /in/f0SlC on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: getuserinput() in /in/f0SlC on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: getuserinput() in /in/f0SlC on line 2

preferences:
297.84 ms | 401 KiB | 466 Q