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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 = array(); foreach (range(0,1,1/10000) as $input) { if (convertOld($input) != convertNew($input)) $warnings[] = $input; } var_dump($warnings);
based on 5RbsD
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(0) { }
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9
Warning: Wrong parameter count for range() in /in/tiqlD on line 28 Warning: Invalid argument supplied for foreach() in /in/tiqlD on line 28 array(0) { }
Output for 4.3.11
Warning: Wrong parameter count for range() in /in/tiqlD on line 28 array(0) { }