3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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; } $warnings = []; foreach (range(0,1,1/1000) as $input) { if (convertOld($input) != convertNew($input)) $warnings[] = $input; } var_dump($warnings);
based on EUQlk
Output for 5.4.0 - 7.1.0
array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/5RbsD on line 27
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/5RbsD on line 27
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5RbsD on line 27
Process exited with code 255.