Online PHP editor | output for 5RbsD

@ 2014-08-30T23:24:56Z

<?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);

Output for 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 - 8.3.6: array(0) { }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 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 - 4.3.11, 4.4.0 - 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.

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