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@ 2018-05-04T20:52:59Z

<?php

$in = range(0, 1000);

$out = [];

$f = 100;
foreach ($in as $i) {
    $out[] = do2($f, $i);
}

print_r($out);

function inc($v) {
    $step = pow(10, floor(log10($v / 50))) ;
    
    return $v + $step;
}

function do2($v, $steps)
{
    $result = $v;
    
    while ($steps--) {
        $result = inc($result);
    }
    
    return $result;
}

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Output
Performance
VLD
References
Branches

log10: documentation ( source)
print_r: documentation ( source)
floor: documentation ( source)
pow: documentation ( source)
range: documentation ( source)

preferences:dark modelive previewkey bindings

32.56 ms | 408 KiB | 5 Q