3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertOld($input) { $oldMin = 0; $oldMax = 1; $newMin = 127; $newMax = 0; return ceil(((($input- $oldMin) * ($newMax - $newMin)) / ($oldMax - $oldMin)) + $newMin); } function convertNew($input) { $range_input = range(1, 0, 1/127); $range_output = range(0, 127); foreach ($range_input as $key => $value) { if ($value <= $input) { return $range_output[$key]; } } return 127; } foreach (range(0,1,1/1000) as $input) { echo (convertOld($input) != convertNew($input)) ? "WARNING $input mismatch\n" : ""; }
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, 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 - 8.3.7
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9
Warning: Wrong parameter count for range() in /in/EUQlk on line 27 Warning: Invalid argument supplied for foreach() in /in/EUQlk on line 27
Output for 4.3.11
Warning: Wrong parameter count for range() in /in/EUQlk on line 27

preferences:
254.33 ms | 401 KiB | 460 Q